./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_product59.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8a74a11a5d5c8fe8b4adcf5c10f76ddbc8ce0734 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:25:28,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:25:28,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:25:28,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:25:28,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:25:28,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:25:28,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:25:28,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:25:28,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:25:28,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:25:28,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:25:28,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:25:28,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:25:28,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:25:28,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:25:28,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:25:28,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:25:28,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:25:28,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:25:28,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:25:28,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:25:28,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:25:28,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:25:28,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:25:28,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:25:28,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:25:28,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:25:28,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:25:28,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:25:28,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:25:28,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:25:28,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:25:28,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:25:28,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:25:28,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:25:28,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:25:28,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:25:28,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:25:28,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:25:28,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:25:28,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:25:28,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:25:28,518 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:25:28,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:25:28,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:25:28,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:25:28,521 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:25:28,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:25:28,521 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:25:28,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:25:28,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:25:28,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:25:28,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:25:28,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:25:28,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:25:28,523 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:25:28,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:25:28,524 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:25:28,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:25:28,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:25:28,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:25:28,525 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:25:28,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:25:28,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:25:28,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:25:28,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:25:28,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:25:28,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:25:28,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:25:28,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:25:28,528 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:25:28,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a74a11a5d5c8fe8b4adcf5c10f76ddbc8ce0734 [2019-11-28 17:25:28,834 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:25:28,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:25:28,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:25:28,852 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:25:28,854 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:25:28,855 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2019-11-28 17:25:28,934 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ceee3d3/97e0b824de4243ec9a5d7441d5a5ca0f/FLAGc9bbc66b4 [2019-11-28 17:25:29,484 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:25:29,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2019-11-28 17:25:29,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ceee3d3/97e0b824de4243ec9a5d7441d5a5ca0f/FLAGc9bbc66b4 [2019-11-28 17:25:29,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ceee3d3/97e0b824de4243ec9a5d7441d5a5ca0f [2019-11-28 17:25:29,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:25:29,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:25:29,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:29,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:25:29,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:25:29,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:29" (1/1) ... [2019-11-28 17:25:29,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21aba202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:29, skipping insertion in model container [2019-11-28 17:25:29,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:29" (1/1) ... [2019-11-28 17:25:29,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:25:29,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:25:30,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:30,270 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:25:30,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:30,419 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:25:30,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30 WrapperNode [2019-11-28 17:25:30,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:30,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:30,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:25:30,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:25:30,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:30,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:30,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:30,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:25:30,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:25:30,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:25:30,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:30,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:30,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:30,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:30,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:30,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:30,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (1/1) ... [2019-11-28 17:25:30,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:25:30,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:25:30,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:25:30,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:25:30,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (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 [2019-11-28 17:25:30,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:25:30,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:25:30,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:25:30,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:25:31,662 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:25:31,663 INFO L287 CfgBuilder]: Removed 198 assume(true) statements. [2019-11-28 17:25:31,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:31 BoogieIcfgContainer [2019-11-28 17:25:31,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:25:31,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:25:31,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:25:31,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:25:31,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:25:29" (1/3) ... [2019-11-28 17:25:31,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aee733a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:31, skipping insertion in model container [2019-11-28 17:25:31,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30" (2/3) ... [2019-11-28 17:25:31,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aee733a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:31, skipping insertion in model container [2019-11-28 17:25:31,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:31" (3/3) ... [2019-11-28 17:25:31,683 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2019-11-28 17:25:31,695 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:25:31,707 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:25:31,719 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:25:31,745 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:25:31,745 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:25:31,745 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:25:31,745 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:25:31,746 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:25:31,746 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:25:31,746 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:25:31,748 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:25:31,773 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-28 17:25:31,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 17:25:31,781 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:31,782 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:31,783 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:31,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:31,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1941296929, now seen corresponding path program 1 times [2019-11-28 17:25:31,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:31,798 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035585881] [2019-11-28 17:25:31,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:32,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:32,113 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035585881] [2019-11-28 17:25:32,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:32,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:32,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077454350] [2019-11-28 17:25:32,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:25:32,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:32,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:25:32,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:32,142 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-11-28 17:25:32,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:32,186 INFO L93 Difference]: Finished difference Result 275 states and 414 transitions. [2019-11-28 17:25:32,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:25:32,187 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 17:25:32,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:32,205 INFO L225 Difference]: With dead ends: 275 [2019-11-28 17:25:32,205 INFO L226 Difference]: Without dead ends: 137 [2019-11-28 17:25:32,210 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:32,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-28 17:25:32,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-28 17:25:32,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-28 17:25:32,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2019-11-28 17:25:32,270 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2019-11-28 17:25:32,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:32,270 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2019-11-28 17:25:32,270 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:25:32,271 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2019-11-28 17:25:32,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:25:32,272 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:32,272 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:32,273 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:32,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:32,273 INFO L82 PathProgramCache]: Analyzing trace with hash 530190787, now seen corresponding path program 1 times [2019-11-28 17:25:32,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:32,274 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271733688] [2019-11-28 17:25:32,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:32,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:32,422 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271733688] [2019-11-28 17:25:32,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:32,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:32,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498445877] [2019-11-28 17:25:32,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:32,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:32,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:32,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:32,427 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 3 states. [2019-11-28 17:25:32,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:32,443 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2019-11-28 17:25:32,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:32,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 17:25:32,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:32,446 INFO L225 Difference]: With dead ends: 137 [2019-11-28 17:25:32,446 INFO L226 Difference]: Without dead ends: 57 [2019-11-28 17:25:32,448 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:32,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-28 17:25:32,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-28 17:25:32,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-28 17:25:32,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2019-11-28 17:25:32,459 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2019-11-28 17:25:32,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:32,460 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2019-11-28 17:25:32,460 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:32,461 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2019-11-28 17:25:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:25:32,462 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:32,463 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:32,463 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:32,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:32,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1901621695, now seen corresponding path program 1 times [2019-11-28 17:25:32,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:32,465 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937276664] [2019-11-28 17:25:32,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:32,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:32,613 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937276664] [2019-11-28 17:25:32,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:32,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:32,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634987426] [2019-11-28 17:25:32,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:32,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:32,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:32,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:32,620 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 6 states. [2019-11-28 17:25:32,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:32,789 INFO L93 Difference]: Finished difference Result 181 states and 268 transitions. [2019-11-28 17:25:32,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:25:32,791 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-28 17:25:32,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:32,793 INFO L225 Difference]: With dead ends: 181 [2019-11-28 17:25:32,794 INFO L226 Difference]: Without dead ends: 131 [2019-11-28 17:25:32,796 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:25:32,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-28 17:25:32,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 77. [2019-11-28 17:25:32,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-28 17:25:32,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2019-11-28 17:25:32,809 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 24 [2019-11-28 17:25:32,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:32,810 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2019-11-28 17:25:32,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:32,810 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2019-11-28 17:25:32,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:25:32,812 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:32,812 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:32,812 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:32,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:32,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1082042232, now seen corresponding path program 1 times [2019-11-28 17:25:32,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:32,814 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110195935] [2019-11-28 17:25:32,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:32,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:32,886 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110195935] [2019-11-28 17:25:32,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:32,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:32,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792718681] [2019-11-28 17:25:32,887 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:32,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:32,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:32,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:32,889 INFO L87 Difference]: Start difference. First operand 77 states and 113 transitions. Second operand 3 states. [2019-11-28 17:25:32,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:32,946 INFO L93 Difference]: Finished difference Result 169 states and 251 transitions. [2019-11-28 17:25:32,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:32,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 17:25:32,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:32,950 INFO L225 Difference]: With dead ends: 169 [2019-11-28 17:25:32,950 INFO L226 Difference]: Without dead ends: 99 [2019-11-28 17:25:32,951 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:32,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-11-28 17:25:32,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2019-11-28 17:25:32,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-28 17:25:32,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2019-11-28 17:25:32,974 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 26 [2019-11-28 17:25:32,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:32,974 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2019-11-28 17:25:32,974 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:32,975 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2019-11-28 17:25:32,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 17:25:32,981 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:32,981 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:32,981 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:32,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:32,982 INFO L82 PathProgramCache]: Analyzing trace with hash -2071837624, now seen corresponding path program 1 times [2019-11-28 17:25:32,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:32,983 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452542741] [2019-11-28 17:25:32,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:33,097 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452542741] [2019-11-28 17:25:33,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:33,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:33,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317257936] [2019-11-28 17:25:33,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:33,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:33,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:33,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:33,099 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand 5 states. [2019-11-28 17:25:33,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:33,249 INFO L93 Difference]: Finished difference Result 355 states and 513 transitions. [2019-11-28 17:25:33,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:25:33,250 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-28 17:25:33,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:33,252 INFO L225 Difference]: With dead ends: 355 [2019-11-28 17:25:33,252 INFO L226 Difference]: Without dead ends: 265 [2019-11-28 17:25:33,254 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:25:33,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2019-11-28 17:25:33,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 95. [2019-11-28 17:25:33,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-28 17:25:33,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 133 transitions. [2019-11-28 17:25:33,271 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 133 transitions. Word has length 27 [2019-11-28 17:25:33,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:33,271 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 133 transitions. [2019-11-28 17:25:33,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:33,272 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 133 transitions. [2019-11-28 17:25:33,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 17:25:33,273 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:33,273 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:33,274 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:33,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:33,274 INFO L82 PathProgramCache]: Analyzing trace with hash -413684142, now seen corresponding path program 1 times [2019-11-28 17:25:33,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:33,275 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932349215] [2019-11-28 17:25:33,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:33,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:33,354 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932349215] [2019-11-28 17:25:33,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:33,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:33,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986417007] [2019-11-28 17:25:33,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:25:33,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:33,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:25:33,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:25:33,357 INFO L87 Difference]: Start difference. First operand 95 states and 133 transitions. Second operand 4 states. [2019-11-28 17:25:33,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:33,410 INFO L93 Difference]: Finished difference Result 269 states and 381 transitions. [2019-11-28 17:25:33,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:25:33,411 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2019-11-28 17:25:33,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:33,412 INFO L225 Difference]: With dead ends: 269 [2019-11-28 17:25:33,412 INFO L226 Difference]: Without dead ends: 181 [2019-11-28 17:25:33,413 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:33,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2019-11-28 17:25:33,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 99. [2019-11-28 17:25:33,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-28 17:25:33,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 137 transitions. [2019-11-28 17:25:33,426 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 137 transitions. Word has length 35 [2019-11-28 17:25:33,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:33,427 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 137 transitions. [2019-11-28 17:25:33,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:25:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 137 transitions. [2019-11-28 17:25:33,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 17:25:33,429 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:33,429 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:33,429 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:33,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:33,430 INFO L82 PathProgramCache]: Analyzing trace with hash 597433108, now seen corresponding path program 1 times [2019-11-28 17:25:33,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:33,431 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799594367] [2019-11-28 17:25:33,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:33,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:33,501 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799594367] [2019-11-28 17:25:33,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:33,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:33,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291021299] [2019-11-28 17:25:33,508 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:33,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:33,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:33,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:33,509 INFO L87 Difference]: Start difference. First operand 99 states and 137 transitions. Second operand 5 states. [2019-11-28 17:25:33,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:33,594 INFO L93 Difference]: Finished difference Result 276 states and 384 transitions. [2019-11-28 17:25:33,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:25:33,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-11-28 17:25:33,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:33,596 INFO L225 Difference]: With dead ends: 276 [2019-11-28 17:25:33,596 INFO L226 Difference]: Without dead ends: 184 [2019-11-28 17:25:33,597 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:25:33,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-11-28 17:25:33,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 105. [2019-11-28 17:25:33,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-28 17:25:33,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 143 transitions. [2019-11-28 17:25:33,622 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 143 transitions. Word has length 35 [2019-11-28 17:25:33,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:33,622 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 143 transitions. [2019-11-28 17:25:33,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:33,623 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 143 transitions. [2019-11-28 17:25:33,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 17:25:33,625 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:33,625 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:33,626 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:33,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:33,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1434752496, now seen corresponding path program 1 times [2019-11-28 17:25:33,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:33,627 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039739253] [2019-11-28 17:25:33,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:33,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:33,673 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039739253] [2019-11-28 17:25:33,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:33,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:33,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938903645] [2019-11-28 17:25:33,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:33,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:33,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:33,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:33,675 INFO L87 Difference]: Start difference. First operand 105 states and 143 transitions. Second operand 3 states. [2019-11-28 17:25:33,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:33,703 INFO L93 Difference]: Finished difference Result 249 states and 341 transitions. [2019-11-28 17:25:33,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:33,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-11-28 17:25:33,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:33,706 INFO L225 Difference]: With dead ends: 249 [2019-11-28 17:25:33,706 INFO L226 Difference]: Without dead ends: 151 [2019-11-28 17:25:33,707 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:33,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-11-28 17:25:33,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2019-11-28 17:25:33,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-28 17:25:33,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 202 transitions. [2019-11-28 17:25:33,722 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 202 transitions. Word has length 35 [2019-11-28 17:25:33,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:33,723 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 202 transitions. [2019-11-28 17:25:33,723 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:33,723 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 202 transitions. [2019-11-28 17:25:33,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:25:33,725 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:33,725 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:33,726 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:33,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:33,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1759410992, now seen corresponding path program 1 times [2019-11-28 17:25:33,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:33,727 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739931113] [2019-11-28 17:25:33,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:33,797 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739931113] [2019-11-28 17:25:33,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:33,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:33,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536786840] [2019-11-28 17:25:33,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:33,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:33,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:33,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:33,799 INFO L87 Difference]: Start difference. First operand 151 states and 202 transitions. Second operand 3 states. [2019-11-28 17:25:33,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:33,848 INFO L93 Difference]: Finished difference Result 225 states and 302 transitions. [2019-11-28 17:25:33,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:33,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-11-28 17:25:33,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:33,850 INFO L225 Difference]: With dead ends: 225 [2019-11-28 17:25:33,851 INFO L226 Difference]: Without dead ends: 223 [2019-11-28 17:25:33,851 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:33,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-11-28 17:25:33,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 203. [2019-11-28 17:25:33,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-11-28 17:25:33,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 278 transitions. [2019-11-28 17:25:33,874 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 278 transitions. Word has length 36 [2019-11-28 17:25:33,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:33,874 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 278 transitions. [2019-11-28 17:25:33,874 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:33,875 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 278 transitions. [2019-11-28 17:25:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-28 17:25:33,875 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:33,876 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:33,876 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:33,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:33,877 INFO L82 PathProgramCache]: Analyzing trace with hash -321551471, now seen corresponding path program 1 times [2019-11-28 17:25:33,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:33,877 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679838550] [2019-11-28 17:25:33,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:34,010 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 17:25:34,011 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679838550] [2019-11-28 17:25:34,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:34,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:34,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418785571] [2019-11-28 17:25:34,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:34,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:34,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:34,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:34,034 INFO L87 Difference]: Start difference. First operand 203 states and 278 transitions. Second operand 5 states. [2019-11-28 17:25:34,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:34,210 INFO L93 Difference]: Finished difference Result 666 states and 917 transitions. [2019-11-28 17:25:34,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:25:34,210 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2019-11-28 17:25:34,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:34,213 INFO L225 Difference]: With dead ends: 666 [2019-11-28 17:25:34,213 INFO L226 Difference]: Without dead ends: 470 [2019-11-28 17:25:34,214 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:34,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2019-11-28 17:25:34,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 334. [2019-11-28 17:25:34,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-11-28 17:25:34,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 449 transitions. [2019-11-28 17:25:34,251 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 449 transitions. Word has length 60 [2019-11-28 17:25:34,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:34,251 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 449 transitions. [2019-11-28 17:25:34,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:34,251 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 449 transitions. [2019-11-28 17:25:34,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-28 17:25:34,253 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:34,253 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:34,258 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:34,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:34,259 INFO L82 PathProgramCache]: Analyzing trace with hash 790230153, now seen corresponding path program 1 times [2019-11-28 17:25:34,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:34,260 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445572021] [2019-11-28 17:25:34,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:34,350 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 17:25:34,351 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445572021] [2019-11-28 17:25:34,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:34,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:25:34,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250676701] [2019-11-28 17:25:34,352 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:34,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:34,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:34,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:34,353 INFO L87 Difference]: Start difference. First operand 334 states and 449 transitions. Second operand 6 states. [2019-11-28 17:25:34,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:34,593 INFO L93 Difference]: Finished difference Result 963 states and 1291 transitions. [2019-11-28 17:25:34,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 17:25:34,594 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-11-28 17:25:34,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:34,598 INFO L225 Difference]: With dead ends: 963 [2019-11-28 17:25:34,598 INFO L226 Difference]: Without dead ends: 636 [2019-11-28 17:25:34,599 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-28 17:25:34,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2019-11-28 17:25:34,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 308. [2019-11-28 17:25:34,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-28 17:25:34,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 405 transitions. [2019-11-28 17:25:34,633 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 405 transitions. Word has length 61 [2019-11-28 17:25:34,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:34,633 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 405 transitions. [2019-11-28 17:25:34,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:34,633 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 405 transitions. [2019-11-28 17:25:34,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 17:25:34,635 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:34,635 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:34,635 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:34,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:34,636 INFO L82 PathProgramCache]: Analyzing trace with hash -592648286, now seen corresponding path program 1 times [2019-11-28 17:25:34,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:34,636 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170905105] [2019-11-28 17:25:34,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 17:25:34,784 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170905105] [2019-11-28 17:25:34,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:34,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:34,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501285064] [2019-11-28 17:25:34,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:34,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:34,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:34,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:34,786 INFO L87 Difference]: Start difference. First operand 308 states and 405 transitions. Second operand 5 states. [2019-11-28 17:25:35,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:35,111 INFO L93 Difference]: Finished difference Result 933 states and 1253 transitions. [2019-11-28 17:25:35,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:25:35,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-28 17:25:35,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:35,117 INFO L225 Difference]: With dead ends: 933 [2019-11-28 17:25:35,117 INFO L226 Difference]: Without dead ends: 720 [2019-11-28 17:25:35,118 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:25:35,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2019-11-28 17:25:35,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 399. [2019-11-28 17:25:35,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2019-11-28 17:25:35,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 530 transitions. [2019-11-28 17:25:35,171 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 530 transitions. Word has length 82 [2019-11-28 17:25:35,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:35,172 INFO L462 AbstractCegarLoop]: Abstraction has 399 states and 530 transitions. [2019-11-28 17:25:35,172 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 530 transitions. [2019-11-28 17:25:35,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 17:25:35,174 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:35,174 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:35,175 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:35,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:35,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1613716640, now seen corresponding path program 1 times [2019-11-28 17:25:35,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:35,176 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291583126] [2019-11-28 17:25:35,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:35,272 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:35,273 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291583126] [2019-11-28 17:25:35,273 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820612022] [2019-11-28 17:25:35,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:35,431 INFO L264 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 17:25:35,448 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:25:35,488 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:35,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:25:35,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-28 17:25:35,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413524725] [2019-11-28 17:25:35,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:25:35,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:35,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:25:35,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:25:35,495 INFO L87 Difference]: Start difference. First operand 399 states and 530 transitions. Second operand 4 states. [2019-11-28 17:25:35,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:35,713 INFO L93 Difference]: Finished difference Result 1262 states and 1684 transitions. [2019-11-28 17:25:35,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:25:35,714 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2019-11-28 17:25:35,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:35,719 INFO L225 Difference]: With dead ends: 1262 [2019-11-28 17:25:35,719 INFO L226 Difference]: Without dead ends: 867 [2019-11-28 17:25:35,721 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:25:35,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2019-11-28 17:25:35,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 857. [2019-11-28 17:25:35,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2019-11-28 17:25:35,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1130 transitions. [2019-11-28 17:25:35,867 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1130 transitions. Word has length 82 [2019-11-28 17:25:35,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:35,867 INFO L462 AbstractCegarLoop]: Abstraction has 857 states and 1130 transitions. [2019-11-28 17:25:35,868 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:25:35,868 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1130 transitions. [2019-11-28 17:25:35,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 17:25:35,876 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:35,876 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:36,082 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:36,083 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:36,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:36,084 INFO L82 PathProgramCache]: Analyzing trace with hash -987015072, now seen corresponding path program 1 times [2019-11-28 17:25:36,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:36,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694838594] [2019-11-28 17:25:36,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:36,168 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-28 17:25:36,169 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694838594] [2019-11-28 17:25:36,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:36,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:36,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216551177] [2019-11-28 17:25:36,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:36,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:36,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:36,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:36,172 INFO L87 Difference]: Start difference. First operand 857 states and 1130 transitions. Second operand 5 states. [2019-11-28 17:25:36,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:36,367 INFO L93 Difference]: Finished difference Result 1598 states and 2091 transitions. [2019-11-28 17:25:36,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:25:36,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-28 17:25:36,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:36,373 INFO L225 Difference]: With dead ends: 1598 [2019-11-28 17:25:36,373 INFO L226 Difference]: Without dead ends: 748 [2019-11-28 17:25:36,375 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:25:36,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2019-11-28 17:25:36,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 404. [2019-11-28 17:25:36,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2019-11-28 17:25:36,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 517 transitions. [2019-11-28 17:25:36,452 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 517 transitions. Word has length 82 [2019-11-28 17:25:36,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:36,452 INFO L462 AbstractCegarLoop]: Abstraction has 404 states and 517 transitions. [2019-11-28 17:25:36,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:36,453 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 517 transitions. [2019-11-28 17:25:36,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-28 17:25:36,454 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:36,455 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:36,455 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:36,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:36,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1917155008, now seen corresponding path program 2 times [2019-11-28 17:25:36,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:36,456 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714012135] [2019-11-28 17:25:36,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-28 17:25:36,634 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714012135] [2019-11-28 17:25:36,634 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126358563] [2019-11-28 17:25:36,635 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:36,831 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-28 17:25:36,831 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 17:25:36,835 INFO L264 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 17:25:36,839 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:25:36,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:25:36,880 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-28 17:25:36,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:25:36,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-28 17:25:36,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79793787] [2019-11-28 17:25:36,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:36,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:36,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:36,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:36,884 INFO L87 Difference]: Start difference. First operand 404 states and 517 transitions. Second operand 6 states. [2019-11-28 17:25:37,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:37,102 INFO L93 Difference]: Finished difference Result 932 states and 1193 transitions. [2019-11-28 17:25:37,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:25:37,104 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-11-28 17:25:37,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:37,104 INFO L225 Difference]: With dead ends: 932 [2019-11-28 17:25:37,104 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:25:37,106 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:25:37,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:25:37,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:25:37,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:25:37,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:25:37,109 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2019-11-28 17:25:37,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:37,110 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:25:37,110 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:37,110 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:25:37,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:25:37,311 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:37,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:25:37,607 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 175 [2019-11-28 17:25:37,759 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 114 [2019-11-28 17:25:38,126 WARN L192 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2019-11-28 17:25:38,753 WARN L192 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 220 [2019-11-28 17:25:39,136 WARN L192 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 171 [2019-11-28 17:25:39,351 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 110 [2019-11-28 17:25:39,584 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 177 [2019-11-28 17:25:39,846 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 214 [2019-11-28 17:25:40,169 WARN L192 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 210 [2019-11-28 17:25:40,278 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 138 [2019-11-28 17:25:40,563 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 212 [2019-11-28 17:25:41,505 WARN L192 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 36 [2019-11-28 17:25:41,861 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 16 [2019-11-28 17:25:42,829 WARN L192 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 39 [2019-11-28 17:25:44,490 WARN L192 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 218 DAG size of output: 34 [2019-11-28 17:25:44,872 WARN L192 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 40 [2019-11-28 17:25:45,740 WARN L192 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 36 [2019-11-28 17:25:45,999 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 28 [2019-11-28 17:25:46,196 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 23 [2019-11-28 17:25:46,737 WARN L192 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 24 [2019-11-28 17:25:46,989 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 26 [2019-11-28 17:25:47,948 WARN L192 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 29 [2019-11-28 17:25:49,377 WARN L192 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 214 DAG size of output: 30 [2019-11-28 17:25:50,944 WARN L192 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 210 DAG size of output: 26 [2019-11-28 17:25:51,662 WARN L192 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 37 [2019-11-28 17:25:53,132 WARN L192 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 212 DAG size of output: 32 [2019-11-28 17:25:53,136 INFO L242 CegarLoopResult]: At program point L68-3(lines 67 86) the Hoare annotation is: false [2019-11-28 17:25:53,137 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 17:25:53,137 INFO L242 CegarLoopResult]: At program point L367(lines 362 369) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (<= 0 ~methaneLevelCritical~0)) [2019-11-28 17:25:53,137 INFO L246 CegarLoopResult]: For program point L334(lines 334 347) no Hoare annotation was computed. [2019-11-28 17:25:53,137 INFO L246 CegarLoopResult]: For program point L104(lines 104 112) no Hoare annotation was computed. [2019-11-28 17:25:53,137 INFO L246 CegarLoopResult]: For program point L104-1(lines 104 112) no Hoare annotation was computed. [2019-11-28 17:25:53,137 INFO L246 CegarLoopResult]: For program point L104-2(lines 104 112) no Hoare annotation was computed. [2019-11-28 17:25:53,137 INFO L246 CegarLoopResult]: For program point L104-3(lines 104 112) no Hoare annotation was computed. [2019-11-28 17:25:53,137 INFO L246 CegarLoopResult]: For program point L104-4(lines 104 112) no Hoare annotation was computed. [2019-11-28 17:25:53,138 INFO L246 CegarLoopResult]: For program point L104-5(lines 104 112) no Hoare annotation was computed. [2019-11-28 17:25:53,138 INFO L242 CegarLoopResult]: At program point L271(lines 256 274) the Hoare annotation is: (let ((.cse0 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse1 (= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) (.cse2 (= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (let ((.cse8 (= 0 ~waterLevel~0))) (or (and (not .cse8) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4)) (and (= 1 ULTIMATE.start_isLowWaterLevel_~tmp~4) .cse8)))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 0 ~methaneLevelCritical~0)) (and (let ((.cse7 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 (= 0 ~methAndRunningLastTime~0)))) .cse3))) [2019-11-28 17:25:53,138 INFO L242 CegarLoopResult]: At program point L271-1(lines 256 274) the Hoare annotation is: false [2019-11-28 17:25:53,138 INFO L242 CegarLoopResult]: At program point L271-2(lines 256 274) the Hoare annotation is: false [2019-11-28 17:25:53,138 INFO L246 CegarLoopResult]: For program point L932(lines 932 936) no Hoare annotation was computed. [2019-11-28 17:25:53,138 INFO L246 CegarLoopResult]: For program point L305(lines 304 351) no Hoare annotation was computed. [2019-11-28 17:25:53,138 INFO L246 CegarLoopResult]: For program point L306(lines 306 310) no Hoare annotation was computed. [2019-11-28 17:25:53,139 INFO L242 CegarLoopResult]: At program point L75(lines 75 81) the Hoare annotation is: (let ((.cse0 (<= ~methaneLevelCritical~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= 0 ~methaneLevelCritical~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (and .cse3 .cse4 .cse1 (= 1 ~methaneLevelCritical~0)) (and .cse0 .cse3 .cse4 .cse1 .cse2))) [2019-11-28 17:25:53,139 INFO L242 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: false [2019-11-28 17:25:53,139 INFO L242 CegarLoopResult]: At program point L75-2(lines 75 81) the Hoare annotation is: false [2019-11-28 17:25:53,139 INFO L242 CegarLoopResult]: At program point L1000(lines 995 1003) the Hoare annotation is: (let ((.cse0 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 (<= 0 ~methaneLevelCritical~0)))) [2019-11-28 17:25:53,140 INFO L242 CegarLoopResult]: At program point L1000-1(lines 995 1003) the Hoare annotation is: false [2019-11-28 17:25:53,140 INFO L242 CegarLoopResult]: At program point L1000-2(lines 995 1003) the Hoare annotation is: false [2019-11-28 17:25:53,140 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 17:25:53,140 INFO L246 CegarLoopResult]: For program point L340(lines 340 346) no Hoare annotation was computed. [2019-11-28 17:25:53,140 INFO L242 CegarLoopResult]: At program point L340-1(lines 68 74) the Hoare annotation is: (let ((.cse2 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (<= ~methaneLevelCritical~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (<= 0 ~methaneLevelCritical~0))) (or (and (or (and .cse0 .cse1 .cse2 .cse3) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 .cse1 .cse2)) .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3) (and .cse7 .cse5 .cse6 .cse1 .cse8) (and .cse7 .cse4 .cse0 .cse1 .cse8))) [2019-11-28 17:25:53,141 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-28 17:25:53,141 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-28 17:25:53,141 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-28 17:25:53,141 INFO L246 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-11-28 17:25:53,141 INFO L242 CegarLoopResult]: At program point L378-1(lines 1 1003) the Hoare annotation is: (let ((.cse7 (not (= 0 ~systemActive~0))) (.cse4 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse6 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse8 (<= 0 ~methaneLevelCritical~0))) (or (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0) .cse3) (and .cse4 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7 .cse2 .cse3 .cse8) (and .cse5 (= 1 ~waterLevel~0) .cse1 .cse7 .cse2 .cse3 .cse8) (and .cse4 .cse5 .cse6 .cse0 .cse1 .cse2 .cse3 .cse8))) [2019-11-28 17:25:53,141 INFO L242 CegarLoopResult]: At program point L411-2(lines 411 425) the Hoare annotation is: false [2019-11-28 17:25:53,141 INFO L246 CegarLoopResult]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-11-28 17:25:53,141 INFO L246 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-11-28 17:25:53,141 INFO L242 CegarLoopResult]: At program point L378-3(lines 1 1003) the Hoare annotation is: false [2019-11-28 17:25:53,142 INFO L242 CegarLoopResult]: At program point L279-1(lines 279 285) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (let ((.cse2 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 .cse1 .cse2))) .cse3) (and (<= ~methaneLevelCritical~0 0) .cse3 .cse0 .cse1 (<= 0 ~methaneLevelCritical~0)))) [2019-11-28 17:25:53,142 INFO L246 CegarLoopResult]: For program point L246(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:25:53,142 INFO L246 CegarLoopResult]: For program point L378-4(lines 378 395) no Hoare annotation was computed. [2019-11-28 17:25:53,142 INFO L242 CegarLoopResult]: At program point L378-5(lines 1 1003) the Hoare annotation is: false [2019-11-28 17:25:53,142 INFO L246 CegarLoopResult]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:25:53,142 INFO L246 CegarLoopResult]: For program point L246-3(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:25:53,142 INFO L246 CegarLoopResult]: For program point L246-5(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:25:53,142 INFO L246 CegarLoopResult]: For program point L246-6(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:25:53,142 INFO L246 CegarLoopResult]: For program point L246-8(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:25:53,143 INFO L246 CegarLoopResult]: For program point L246-9(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:25:53,143 INFO L246 CegarLoopResult]: For program point L246-11(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:25:53,143 INFO L246 CegarLoopResult]: For program point L246-12(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:25:53,143 INFO L246 CegarLoopResult]: For program point L246-14(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:25:53,143 INFO L246 CegarLoopResult]: For program point L246-15(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:25:53,143 INFO L246 CegarLoopResult]: For program point L246-17(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:25:53,143 INFO L246 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2019-11-28 17:25:53,143 INFO L246 CegarLoopResult]: For program point L908(lines 908 912) no Hoare annotation was computed. [2019-11-28 17:25:53,143 INFO L246 CegarLoopResult]: For program point L908-3(lines 908 912) no Hoare annotation was computed. [2019-11-28 17:25:53,143 INFO L246 CegarLoopResult]: For program point L908-6(lines 908 912) no Hoare annotation was computed. [2019-11-28 17:25:53,144 INFO L246 CegarLoopResult]: For program point L314(lines 314 320) no Hoare annotation was computed. [2019-11-28 17:25:53,144 INFO L242 CegarLoopResult]: At program point L314-1(lines 314 320) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6 ~methaneLevelCritical~0)) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse8 (<= 0 ~methaneLevelCritical~0))) (or (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0) .cse3) (and .cse4 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7 .cse2 .cse3 .cse8) (and .cse4 .cse5 .cse6 .cse0 .cse1 .cse2 .cse3 .cse8) (and .cse5 .cse0 .cse1 .cse7 .cse2 .cse3 .cse8))) [2019-11-28 17:25:53,144 INFO L246 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2019-11-28 17:25:53,144 INFO L246 CegarLoopResult]: For program point L382(lines 382 392) no Hoare annotation was computed. [2019-11-28 17:25:53,144 INFO L246 CegarLoopResult]: For program point L415-1(lines 68 74) no Hoare annotation was computed. [2019-11-28 17:25:53,144 INFO L246 CegarLoopResult]: For program point L382-2(lines 382 392) no Hoare annotation was computed. [2019-11-28 17:25:53,144 INFO L246 CegarLoopResult]: For program point L382-4(lines 382 392) no Hoare annotation was computed. [2019-11-28 17:25:53,144 INFO L246 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2019-11-28 17:25:53,145 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:25:53,145 INFO L246 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2019-11-28 17:25:53,145 INFO L246 CegarLoopResult]: For program point L383-4(lines 383 389) no Hoare annotation was computed. [2019-11-28 17:25:53,145 INFO L242 CegarLoopResult]: At program point L945(lines 940 948) the Hoare annotation is: false [2019-11-28 17:25:53,145 INFO L242 CegarLoopResult]: At program point L945-1(lines 940 948) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 (<= 0 ~methaneLevelCritical~0)) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:25:53,145 INFO L242 CegarLoopResult]: At program point L945-2(lines 940 948) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= ~methaneLevelCritical~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (<= 0 ~methaneLevelCritical~0))) (or (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (and .cse3 .cse4 .cse0 .cse1 .cse2 .cse5) (and .cse3 (<= 2 ~waterLevel~0) .cse4 (not (= 0 ~systemActive~0)) .cse2 .cse5))) [2019-11-28 17:25:53,145 INFO L242 CegarLoopResult]: At program point L945-3(lines 940 948) the Hoare annotation is: false [2019-11-28 17:25:53,145 INFO L242 CegarLoopResult]: At program point L945-4(lines 940 948) the Hoare annotation is: false [2019-11-28 17:25:53,145 INFO L242 CegarLoopResult]: At program point L945-5(lines 940 948) the Hoare annotation is: false [2019-11-28 17:25:53,146 INFO L242 CegarLoopResult]: At program point L945-6(lines 940 948) the Hoare annotation is: false [2019-11-28 17:25:53,146 INFO L242 CegarLoopResult]: At program point L945-7(lines 940 948) the Hoare annotation is: false [2019-11-28 17:25:53,146 INFO L242 CegarLoopResult]: At program point L945-8(lines 940 948) the Hoare annotation is: false [2019-11-28 17:25:53,146 INFO L242 CegarLoopResult]: At program point L252(lines 237 255) the Hoare annotation is: false [2019-11-28 17:25:53,146 INFO L242 CegarLoopResult]: At program point L252-1(lines 237 255) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse6 (<= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse8 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4 (= 0 ~methAndRunningLastTime~0)) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 .cse3 .cse4))) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse6) (and .cse7 .cse5 .cse8 .cse9 .cse1 .cse2 .cse3 .cse6) (and .cse7 .cse8 .cse9 .cse1 .cse2 .cse3 .cse4))) [2019-11-28 17:25:53,146 INFO L242 CegarLoopResult]: At program point L252-2(lines 237 255) the Hoare annotation is: false [2019-11-28 17:25:53,146 INFO L242 CegarLoopResult]: At program point L252-3(lines 237 255) the Hoare annotation is: false [2019-11-28 17:25:53,146 INFO L242 CegarLoopResult]: At program point L252-4(lines 237 255) the Hoare annotation is: false [2019-11-28 17:25:53,146 INFO L242 CegarLoopResult]: At program point L252-5(lines 237 255) the Hoare annotation is: false [2019-11-28 17:25:53,147 INFO L242 CegarLoopResult]: At program point L352(lines 303 353) the Hoare annotation is: false [2019-11-28 17:25:53,147 INFO L242 CegarLoopResult]: At program point L188(lines 181 191) the Hoare annotation is: false [2019-11-28 17:25:53,147 INFO L242 CegarLoopResult]: At program point L188-1(lines 181 191) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 (<= 0 ~methaneLevelCritical~0)) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:25:53,147 INFO L242 CegarLoopResult]: At program point L188-2(lines 181 191) the Hoare annotation is: false [2019-11-28 17:25:53,147 INFO L242 CegarLoopResult]: At program point L188-3(lines 181 191) the Hoare annotation is: false [2019-11-28 17:25:53,147 INFO L242 CegarLoopResult]: At program point L188-4(lines 181 191) the Hoare annotation is: false [2019-11-28 17:25:53,147 INFO L242 CegarLoopResult]: At program point L188-5(lines 181 191) the Hoare annotation is: false [2019-11-28 17:25:53,147 INFO L246 CegarLoopResult]: For program point L486(lines 486 493) no Hoare annotation was computed. [2019-11-28 17:25:53,148 INFO L249 CegarLoopResult]: At program point L486-1(lines 486 493) the Hoare annotation is: true [2019-11-28 17:25:53,148 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:25:53,148 INFO L242 CegarLoopResult]: At program point L522(lines 1 1003) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (<= 0 ~methaneLevelCritical~0)) [2019-11-28 17:25:53,148 INFO L246 CegarLoopResult]: For program point L324(lines 324 330) no Hoare annotation was computed. [2019-11-28 17:25:53,148 INFO L242 CegarLoopResult]: At program point L324-1(lines 324 330) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse6 (<= 0 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse6) (and .cse5 .cse7 .cse8 .cse2 .cse4 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4))) [2019-11-28 17:25:53,148 INFO L246 CegarLoopResult]: For program point L126(lines 126 143) no Hoare annotation was computed. [2019-11-28 17:25:53,148 INFO L246 CegarLoopResult]: For program point L126-1(lines 126 143) no Hoare annotation was computed. [2019-11-28 17:25:53,148 INFO L246 CegarLoopResult]: For program point L126-2(lines 126 143) no Hoare annotation was computed. [2019-11-28 17:25:53,148 INFO L246 CegarLoopResult]: For program point L985(lines 985 991) no Hoare annotation was computed. [2019-11-28 17:25:53,148 INFO L246 CegarLoopResult]: For program point L985-1(lines 985 991) no Hoare annotation was computed. [2019-11-28 17:25:53,149 INFO L246 CegarLoopResult]: For program point L985-2(lines 985 991) no Hoare annotation was computed. [2019-11-28 17:25:53,149 INFO L246 CegarLoopResult]: For program point L985-3(lines 985 991) no Hoare annotation was computed. [2019-11-28 17:25:53,149 INFO L246 CegarLoopResult]: For program point L985-4(lines 985 991) no Hoare annotation was computed. [2019-11-28 17:25:53,149 INFO L246 CegarLoopResult]: For program point L985-5(lines 985 991) no Hoare annotation was computed. [2019-11-28 17:25:53,149 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:25:53,149 INFO L246 CegarLoopResult]: For program point L920(lines 920 924) no Hoare annotation was computed. [2019-11-28 17:25:53,149 INFO L242 CegarLoopResult]: At program point L459(lines 455 461) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (<= 0 ~methaneLevelCritical~0)) [2019-11-28 17:25:53,149 INFO L246 CegarLoopResult]: For program point L163(lines 163 169) no Hoare annotation was computed. [2019-11-28 17:25:53,149 INFO L246 CegarLoopResult]: For program point L130(lines 130 138) no Hoare annotation was computed. [2019-11-28 17:25:53,149 INFO L246 CegarLoopResult]: For program point L163-2(lines 163 169) no Hoare annotation was computed. [2019-11-28 17:25:53,150 INFO L246 CegarLoopResult]: For program point L130-1(lines 130 138) no Hoare annotation was computed. [2019-11-28 17:25:53,150 INFO L246 CegarLoopResult]: For program point L130-2(lines 130 138) no Hoare annotation was computed. [2019-11-28 17:25:53,150 INFO L246 CegarLoopResult]: For program point L163-4(lines 163 169) no Hoare annotation was computed. [2019-11-28 17:25:53,150 INFO L246 CegarLoopResult]: For program point L163-6(lines 163 169) no Hoare annotation was computed. [2019-11-28 17:25:53,150 INFO L246 CegarLoopResult]: For program point L163-8(lines 163 169) no Hoare annotation was computed. [2019-11-28 17:25:53,150 INFO L246 CegarLoopResult]: For program point L163-10(lines 163 169) no Hoare annotation was computed. [2019-11-28 17:25:53,150 INFO L242 CegarLoopResult]: At program point L197(lines 192 200) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0)) [2019-11-28 17:25:53,150 INFO L242 CegarLoopResult]: At program point L197-1(lines 192 200) the Hoare annotation is: false [2019-11-28 17:25:53,150 INFO L242 CegarLoopResult]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2019-11-28 17:25:53,150 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:25:53,151 INFO L242 CegarLoopResult]: At program point L990(lines 981 994) the Hoare annotation is: false [2019-11-28 17:25:53,151 INFO L242 CegarLoopResult]: At program point L990-1(lines 981 994) the Hoare annotation is: (let ((.cse5 (= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse1 (<= 1 ~waterLevel~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= ~methaneLevelCritical~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (or (and .cse2 .cse3 .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5))) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse4 .cse8) (and .cse6 .cse7 .cse2 .cse3 .cse4 .cse8))) [2019-11-28 17:25:53,151 INFO L242 CegarLoopResult]: At program point L990-2(lines 981 994) the Hoare annotation is: false [2019-11-28 17:25:53,151 INFO L242 CegarLoopResult]: At program point L990-3(lines 981 994) the Hoare annotation is: false [2019-11-28 17:25:53,151 INFO L242 CegarLoopResult]: At program point L990-4(lines 981 994) the Hoare annotation is: false [2019-11-28 17:25:53,151 INFO L242 CegarLoopResult]: At program point L990-5(lines 981 994) the Hoare annotation is: false [2019-11-28 17:25:53,151 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 17:25:53,151 INFO L249 CegarLoopResult]: At program point L495(lines 476 498) the Hoare annotation is: true [2019-11-28 17:25:53,152 INFO L246 CegarLoopResult]: For program point L265(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:25:53,152 INFO L246 CegarLoopResult]: For program point L265-2(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:25:53,152 INFO L246 CegarLoopResult]: For program point L265-3(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:25:53,152 INFO L246 CegarLoopResult]: For program point L100(lines 100 117) no Hoare annotation was computed. [2019-11-28 17:25:53,152 INFO L246 CegarLoopResult]: For program point L265-5(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:25:53,152 INFO L246 CegarLoopResult]: For program point L100-1(lines 100 117) no Hoare annotation was computed. [2019-11-28 17:25:53,152 INFO L246 CegarLoopResult]: For program point L265-6(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:25:53,152 INFO L246 CegarLoopResult]: For program point L100-2(lines 100 117) no Hoare annotation was computed. [2019-11-28 17:25:53,152 INFO L246 CegarLoopResult]: For program point L100-3(lines 100 117) no Hoare annotation was computed. [2019-11-28 17:25:53,152 INFO L246 CegarLoopResult]: For program point L265-8(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:25:53,153 INFO L246 CegarLoopResult]: For program point L100-4(lines 100 117) no Hoare annotation was computed. [2019-11-28 17:25:53,153 INFO L246 CegarLoopResult]: For program point L100-5(lines 100 117) no Hoare annotation was computed. [2019-11-28 17:25:53,153 INFO L242 CegarLoopResult]: At program point L530(lines 525 533) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (<= 0 ~methaneLevelCritical~0)) [2019-11-28 17:25:53,153 INFO L242 CegarLoopResult]: At program point L68(lines 67 86) the Hoare annotation is: (let ((.cse2 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (<= ~methaneLevelCritical~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (<= 0 ~methaneLevelCritical~0))) (or (and (or (and .cse0 .cse1 .cse2 .cse3) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 .cse1 .cse2)) .cse4) (and .cse4 .cse5 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse1 .cse7) (and .cse6 .cse4 .cse0 .cse1 .cse7))) [2019-11-28 17:25:53,153 INFO L246 CegarLoopResult]: For program point L68-1(lines 68 74) no Hoare annotation was computed. [2019-11-28 17:25:53,153 INFO L242 CegarLoopResult]: At program point L68-2(lines 67 86) the Hoare annotation is: false [2019-11-28 17:25:53,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:25:53 BoogieIcfgContainer [2019-11-28 17:25:53,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:25:53,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:25:53,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:25:53,194 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:25:53,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:31" (3/4) ... [2019-11-28 17:25:53,199 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:25:53,225 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:25:53,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:25:53,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:25:53,234 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:25:53,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:25:53,237 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:53,239 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:53,281 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical [2019-11-28 17:25:53,281 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && tmp == systemActive) && methaneLevelCritical <= 0) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical [2019-11-28 17:25:53,281 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && tmp == systemActive) && methaneLevelCritical <= 0) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical [2019-11-28 17:25:53,282 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 2 <= waterLevel) && tmp == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || ((((((methaneLevelCritical <= 0 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || (((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && tmp == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical) [2019-11-28 17:25:53,282 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 2 <= waterLevel) && tmp == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || (((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && tmp == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || ((((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical) [2019-11-28 17:25:53,284 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) && 1 <= waterLevel) || ((((2 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((methaneLevelCritical <= 0 && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-28 17:25:53,285 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) && 1 <= waterLevel) || ((((1 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-28 17:25:53,286 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) && 1 <= waterLevel) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-28 17:25:53,288 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((methaneLevelCritical == \result && 2 <= waterLevel) && methaneLevelCritical <= 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-28 17:25:53,288 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((0 == \result && methaneLevelCritical <= 0) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-28 17:25:53,293 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (2 <= waterLevel && (((((pumpRunning == 0 && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((1 == \result && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)))) || ((((((\result == 1 && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((2 <= waterLevel && methaneLevelCritical <= 0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-28 17:25:53,293 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical [2019-11-28 17:25:53,296 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == \result && methaneLevelCritical <= 0) && 1 == \result) && 1 == tmp___0) && 1 <= waterLevel) && !(0 == systemActive)) && ((!(0 == waterLevel) && 0 == tmp) || (1 == tmp && 0 == waterLevel))) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((((((0 == \result && 1 == \result) && 1 == \result) && 1 == tmp___0) && !(0 == systemActive)) && ((!(0 == waterLevel) && 0 == tmp) || (1 == tmp && 0 == waterLevel))) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((0 == \result && 1 == \result) && 1 == tmp___0) && !(0 == systemActive)) && ((!(0 == waterLevel) && 0 == tmp) || (1 == tmp && 0 == waterLevel))) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) && 1 <= waterLevel) [2019-11-28 17:25:53,297 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && (((((pumpRunning == 0 && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((1 == \result && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical))) || (((((2 <= waterLevel && methaneLevelCritical <= 0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((((0 == \result && methaneLevelCritical <= 0) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((((0 == \result && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:53,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((2 <= waterLevel && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:53,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((((((2 <= waterLevel && 1 == \result) && 1 <= \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:53,409 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:25:53,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:25:53,411 INFO L168 Benchmark]: Toolchain (without parser) took 23634.59 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 507.0 MB). Free memory was 956.3 MB in the beginning and 927.0 MB in the end (delta: 29.3 MB). Peak memory consumption was 536.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:53,411 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:25:53,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:53,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:53,412 INFO L168 Benchmark]: Boogie Preprocessor took 55.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:53,413 INFO L168 Benchmark]: RCFGBuilder took 1099.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:53,413 INFO L168 Benchmark]: TraceAbstraction took 21526.76 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 370.1 MB). Free memory was 1.0 GB in the beginning and 941.0 MB in the end (delta: 90.3 MB). Peak memory consumption was 499.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:53,414 INFO L168 Benchmark]: Witness Printer took 215.72 ms. Allocated memory is still 1.5 GB. Free memory was 941.0 MB in the beginning and 927.0 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:53,417 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 641.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1099.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21526.76 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 370.1 MB). Free memory was 1.0 GB in the beginning and 941.0 MB in the end (delta: 90.3 MB). Peak memory consumption was 499.5 MB. Max. memory is 11.5 GB. * Witness Printer took 215.72 ms. Allocated memory is still 1.5 GB. Free memory was 941.0 MB in the beginning and 927.0 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: (((((((1 == \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 2 <= waterLevel) && tmp == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || (((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && tmp == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || ((((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && (((((pumpRunning == 0 && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((1 == \result && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical))) || (((((2 <= waterLevel && methaneLevelCritical <= 0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((((0 == \result && methaneLevelCritical <= 0) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((((0 == \result && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) && 1 <= waterLevel) || ((((2 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((methaneLevelCritical <= 0 && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: ((((((((0 == \result && methaneLevelCritical <= 0) && 1 == \result) && 1 == tmp___0) && 1 <= waterLevel) && !(0 == systemActive)) && ((!(0 == waterLevel) && 0 == tmp) || (1 == tmp && 0 == waterLevel))) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((((((0 == \result && 1 == \result) && 1 == \result) && 1 == tmp___0) && !(0 == systemActive)) && ((!(0 == waterLevel) && 0 == tmp) || (1 == tmp && 0 == waterLevel))) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((0 == \result && 1 == \result) && 1 == tmp___0) && !(0 == systemActive)) && ((!(0 == waterLevel) && 0 == tmp) || (1 == tmp && 0 == waterLevel))) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) && 1 <= waterLevel) - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1 == \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 2 <= waterLevel) && tmp == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || ((((((methaneLevelCritical <= 0 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || (((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && tmp == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((((((2 <= waterLevel && 1 == \result) && 1 <= \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: (((((0 == \result && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((0 == \result && methaneLevelCritical <= 0) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) && 1 <= waterLevel) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((2 <= waterLevel && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && tmp == systemActive) && methaneLevelCritical <= 0) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: (((((1 == \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((methaneLevelCritical == \result && 2 <= waterLevel) && methaneLevelCritical <= 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((methaneLevelCritical <= 0 && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && tmp == systemActive) && methaneLevelCritical <= 0) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && methaneLevelCritical <= 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (2 <= waterLevel && (((((pumpRunning == 0 && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((1 == \result && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)))) || ((((((\result == 1 && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((2 <= waterLevel && methaneLevelCritical <= 0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) && 1 <= waterLevel) || ((((1 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Result: SAFE, OverallTime: 5.5s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.8s, HoareTripleCheckerStatistics: 1806 SDtfs, 2278 SDslu, 3014 SDs, 0 SdLazy, 381 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 261 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=857occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 15 MinimizatonAttempts, 1546 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 275 NumberOfFragments, 1191 HoareAnnotationTreeSize, 57 FomulaSimplifications, 1299928 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 57 FomulaSimplificationsInter, 1435511 FormulaSimplificationTreeSizeReductionInter, 12.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 870 NumberOfCodeBlocks, 870 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 853 ConstructedInterpolants, 0 QuantifiedInterpolants, 113031 SizeOfPredicates, 5 NumberOfNonLiveVariables, 988 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 304/348 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...