./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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_product53.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 74af0999cbe879befd0a6903faa6dabc12f5915f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:21:12,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:21:12,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:21:12,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:21:12,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:21:12,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:21:12,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:21:12,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:21:12,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:21:12,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:21:12,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:21:12,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:21:12,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:21:12,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:21:12,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:21:12,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:21:12,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:21:12,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:21:12,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:21:12,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:21:12,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:21:12,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:21:12,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:21:12,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:21:12,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:21:12,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:21:12,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:21:12,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:21:12,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:21:12,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:21:12,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:21:12,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:21:12,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:21:12,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:21:12,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:21:12,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:21:12,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:21:12,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:21:12,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:21:12,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:21:12,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:21:12,482 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:21:12,503 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:21:12,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:21:12,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:21:12,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:21:12,507 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:21:12,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:21:12,507 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:21:12,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:21:12,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:21:12,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:21:12,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:21:12,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:21:12,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:21:12,511 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:21:12,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:21:12,511 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:21:12,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:21:12,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:21:12,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:21:12,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:21:12,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:21:12,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:21:12,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:21:12,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:21:12,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:21:12,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:21:12,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:21:12,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:21:12,515 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 -> 74af0999cbe879befd0a6903faa6dabc12f5915f [2019-11-28 00:21:12,823 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:21:12,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:21:12,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:21:12,843 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:21:12,843 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:21:12,844 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2019-11-28 00:21:12,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b2a107bc/f9a183f69aa24305ae9afdcfcd949cb8/FLAGb4ba9c7d9 [2019-11-28 00:21:13,447 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:21:13,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2019-11-28 00:21:13,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b2a107bc/f9a183f69aa24305ae9afdcfcd949cb8/FLAGb4ba9c7d9 [2019-11-28 00:21:13,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b2a107bc/f9a183f69aa24305ae9afdcfcd949cb8 [2019-11-28 00:21:13,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:21:13,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:21:13,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:13,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:21:13,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:21:13,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:13" (1/1) ... [2019-11-28 00:21:13,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8f7905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:13, skipping insertion in model container [2019-11-28 00:21:13,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:13" (1/1) ... [2019-11-28 00:21:13,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:21:13,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:21:14,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:14,364 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:21:14,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:14,522 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:21:14,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:14 WrapperNode [2019-11-28 00:21:14,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:14,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:14,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:21:14,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:21:14,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:14" (1/1) ... [2019-11-28 00:21:14,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:14" (1/1) ... [2019-11-28 00:21:14,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:14,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:21:14,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:21:14,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:21:14,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:14" (1/1) ... [2019-11-28 00:21:14,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:14" (1/1) ... [2019-11-28 00:21:14,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:14" (1/1) ... [2019-11-28 00:21:14,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:14" (1/1) ... [2019-11-28 00:21:14,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:14" (1/1) ... [2019-11-28 00:21:14,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:14" (1/1) ... [2019-11-28 00:21:14,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:14" (1/1) ... [2019-11-28 00:21:14,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:21:14,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:21:14,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:21:14,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:21:14,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:14" (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 00:21:14,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:21:14,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:21:14,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:21:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:21:16,105 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:21:16,105 INFO L297 CfgBuilder]: Removed 278 assume(true) statements. [2019-11-28 00:21:16,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:16 BoogieIcfgContainer [2019-11-28 00:21:16,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:21:16,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:21:16,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:21:16,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:21:16,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:21:13" (1/3) ... [2019-11-28 00:21:16,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1f5cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:16, skipping insertion in model container [2019-11-28 00:21:16,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:14" (2/3) ... [2019-11-28 00:21:16,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1f5cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:16, skipping insertion in model container [2019-11-28 00:21:16,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:16" (3/3) ... [2019-11-28 00:21:16,118 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2019-11-28 00:21:16,130 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:21:16,141 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:21:16,156 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:21:16,186 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:21:16,186 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:21:16,187 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:21:16,187 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:21:16,187 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:21:16,188 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:21:16,188 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:21:16,188 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:21:16,222 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2019-11-28 00:21:16,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:21:16,233 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:16,234 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 00:21:16,235 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:16,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:16,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1813047236, now seen corresponding path program 1 times [2019-11-28 00:21:16,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:16,253 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409288377] [2019-11-28 00:21:16,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:16,618 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 00:21:16,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409288377] [2019-11-28 00:21:16,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:16,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:16,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092083296] [2019-11-28 00:21:16,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:21:16,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:16,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:21:16,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:16,640 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 2 states. [2019-11-28 00:21:16,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:16,699 INFO L93 Difference]: Finished difference Result 379 states and 582 transitions. [2019-11-28 00:21:16,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:21:16,701 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:21:16,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:16,718 INFO L225 Difference]: With dead ends: 379 [2019-11-28 00:21:16,718 INFO L226 Difference]: Without dead ends: 189 [2019-11-28 00:21:16,724 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 00:21:16,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-11-28 00:21:16,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2019-11-28 00:21:16,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2019-11-28 00:21:16,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 283 transitions. [2019-11-28 00:21:16,791 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 283 transitions. Word has length 18 [2019-11-28 00:21:16,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:16,791 INFO L462 AbstractCegarLoop]: Abstraction has 189 states and 283 transitions. [2019-11-28 00:21:16,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:21:16,792 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 283 transitions. [2019-11-28 00:21:16,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:21:16,793 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:16,793 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 00:21:16,794 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:16,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:16,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1594211267, now seen corresponding path program 1 times [2019-11-28 00:21:16,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:16,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399196517] [2019-11-28 00:21:16,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:16,921 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 00:21:16,921 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399196517] [2019-11-28 00:21:16,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:16,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:16,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154856735] [2019-11-28 00:21:16,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:16,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:16,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:16,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:16,926 INFO L87 Difference]: Start difference. First operand 189 states and 283 transitions. Second operand 3 states. [2019-11-28 00:21:16,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:16,957 INFO L93 Difference]: Finished difference Result 189 states and 283 transitions. [2019-11-28 00:21:16,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:16,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:21:16,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:16,960 INFO L225 Difference]: With dead ends: 189 [2019-11-28 00:21:16,960 INFO L226 Difference]: Without dead ends: 73 [2019-11-28 00:21:16,964 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 00:21:16,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-11-28 00:21:16,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-11-28 00:21:16,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-11-28 00:21:16,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2019-11-28 00:21:16,973 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2019-11-28 00:21:16,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:16,974 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2019-11-28 00:21:16,974 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:16,974 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2019-11-28 00:21:16,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:21:16,976 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:16,976 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 00:21:16,976 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:16,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:16,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1277587638, now seen corresponding path program 1 times [2019-11-28 00:21:16,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:16,977 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131514112] [2019-11-28 00:21:16,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:17,111 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 00:21:17,112 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131514112] [2019-11-28 00:21:17,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:17,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:17,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813236426] [2019-11-28 00:21:17,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:17,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:17,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:17,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:17,118 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 3 states. [2019-11-28 00:21:17,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:17,145 INFO L93 Difference]: Finished difference Result 139 states and 209 transitions. [2019-11-28 00:21:17,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:17,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:21:17,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:17,147 INFO L225 Difference]: With dead ends: 139 [2019-11-28 00:21:17,148 INFO L226 Difference]: Without dead ends: 73 [2019-11-28 00:21:17,151 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 00:21:17,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-11-28 00:21:17,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-11-28 00:21:17,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-11-28 00:21:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2019-11-28 00:21:17,162 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2019-11-28 00:21:17,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:17,163 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2019-11-28 00:21:17,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2019-11-28 00:21:17,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 00:21:17,165 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:17,165 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 00:21:17,166 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:17,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:17,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1954298508, now seen corresponding path program 1 times [2019-11-28 00:21:17,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:17,167 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569256065] [2019-11-28 00:21:17,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:17,254 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 00:21:17,255 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569256065] [2019-11-28 00:21:17,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:17,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:17,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774536200] [2019-11-28 00:21:17,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:17,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:17,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:17,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:17,258 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand 3 states. [2019-11-28 00:21:17,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:17,344 INFO L93 Difference]: Finished difference Result 149 states and 221 transitions. [2019-11-28 00:21:17,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:17,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-28 00:21:17,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:17,346 INFO L225 Difference]: With dead ends: 149 [2019-11-28 00:21:17,347 INFO L226 Difference]: Without dead ends: 83 [2019-11-28 00:21:17,349 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 00:21:17,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-11-28 00:21:17,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2019-11-28 00:21:17,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-11-28 00:21:17,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2019-11-28 00:21:17,371 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 27 [2019-11-28 00:21:17,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:17,373 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2019-11-28 00:21:17,373 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:17,373 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2019-11-28 00:21:17,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:17,374 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:17,375 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] [2019-11-28 00:21:17,375 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:17,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:17,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1238499427, now seen corresponding path program 1 times [2019-11-28 00:21:17,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:17,376 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717673641] [2019-11-28 00:21:17,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:17,488 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 00:21:17,489 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717673641] [2019-11-28 00:21:17,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:17,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:17,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613097658] [2019-11-28 00:21:17,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:17,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:17,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:17,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:17,491 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand 5 states. [2019-11-28 00:21:17,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:17,608 INFO L93 Difference]: Finished difference Result 211 states and 298 transitions. [2019-11-28 00:21:17,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:21:17,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 00:21:17,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:17,610 INFO L225 Difference]: With dead ends: 211 [2019-11-28 00:21:17,611 INFO L226 Difference]: Without dead ends: 137 [2019-11-28 00:21:17,612 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 00:21:17,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-28 00:21:17,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 90. [2019-11-28 00:21:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-28 00:21:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 124 transitions. [2019-11-28 00:21:17,623 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 124 transitions. Word has length 33 [2019-11-28 00:21:17,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:17,623 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 124 transitions. [2019-11-28 00:21:17,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:17,623 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 124 transitions. [2019-11-28 00:21:17,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:17,625 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:17,625 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] [2019-11-28 00:21:17,625 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:17,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:17,626 INFO L82 PathProgramCache]: Analyzing trace with hash -2123004160, now seen corresponding path program 1 times [2019-11-28 00:21:17,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:17,627 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626066588] [2019-11-28 00:21:17,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:17,815 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 00:21:17,816 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626066588] [2019-11-28 00:21:17,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:17,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:17,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538897602] [2019-11-28 00:21:17,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:17,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:17,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:17,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:17,819 INFO L87 Difference]: Start difference. First operand 90 states and 124 transitions. Second operand 5 states. [2019-11-28 00:21:17,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:17,940 INFO L93 Difference]: Finished difference Result 436 states and 609 transitions. [2019-11-28 00:21:17,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:21:17,940 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 00:21:17,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:17,943 INFO L225 Difference]: With dead ends: 436 [2019-11-28 00:21:17,943 INFO L226 Difference]: Without dead ends: 353 [2019-11-28 00:21:17,944 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:21:17,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2019-11-28 00:21:17,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 165. [2019-11-28 00:21:17,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2019-11-28 00:21:17,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 226 transitions. [2019-11-28 00:21:17,970 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 226 transitions. Word has length 33 [2019-11-28 00:21:17,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:17,971 INFO L462 AbstractCegarLoop]: Abstraction has 165 states and 226 transitions. [2019-11-28 00:21:17,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:17,971 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 226 transitions. [2019-11-28 00:21:17,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:21:17,973 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:17,973 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] [2019-11-28 00:21:17,974 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:17,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:17,974 INFO L82 PathProgramCache]: Analyzing trace with hash -2127856776, now seen corresponding path program 1 times [2019-11-28 00:21:17,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:17,975 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516619293] [2019-11-28 00:21:17,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:18,073 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 00:21:18,074 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516619293] [2019-11-28 00:21:18,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:18,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:18,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253486605] [2019-11-28 00:21:18,081 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:18,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:18,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:18,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:18,086 INFO L87 Difference]: Start difference. First operand 165 states and 226 transitions. Second operand 5 states. [2019-11-28 00:21:18,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:18,249 INFO L93 Difference]: Finished difference Result 628 states and 863 transitions. [2019-11-28 00:21:18,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:21:18,250 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 00:21:18,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:18,253 INFO L225 Difference]: With dead ends: 628 [2019-11-28 00:21:18,254 INFO L226 Difference]: Without dead ends: 470 [2019-11-28 00:21:18,255 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 00:21:18,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2019-11-28 00:21:18,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 164. [2019-11-28 00:21:18,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-28 00:21:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 223 transitions. [2019-11-28 00:21:18,276 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 223 transitions. Word has length 34 [2019-11-28 00:21:18,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:18,276 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 223 transitions. [2019-11-28 00:21:18,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 223 transitions. [2019-11-28 00:21:18,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:21:18,278 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:18,279 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] [2019-11-28 00:21:18,279 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:18,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:18,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1934711389, now seen corresponding path program 1 times [2019-11-28 00:21:18,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:18,280 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585474127] [2019-11-28 00:21:18,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:18,396 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 00:21:18,396 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585474127] [2019-11-28 00:21:18,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:18,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:18,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803863688] [2019-11-28 00:21:18,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:18,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:18,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:18,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:18,399 INFO L87 Difference]: Start difference. First operand 164 states and 223 transitions. Second operand 5 states. [2019-11-28 00:21:18,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:18,526 INFO L93 Difference]: Finished difference Result 431 states and 579 transitions. [2019-11-28 00:21:18,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:21:18,527 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 00:21:18,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:18,530 INFO L225 Difference]: With dead ends: 431 [2019-11-28 00:21:18,530 INFO L226 Difference]: Without dead ends: 274 [2019-11-28 00:21:18,531 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:21:18,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2019-11-28 00:21:18,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 176. [2019-11-28 00:21:18,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2019-11-28 00:21:18,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 235 transitions. [2019-11-28 00:21:18,552 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 235 transitions. Word has length 34 [2019-11-28 00:21:18,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:18,553 INFO L462 AbstractCegarLoop]: Abstraction has 176 states and 235 transitions. [2019-11-28 00:21:18,553 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:18,553 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 235 transitions. [2019-11-28 00:21:18,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:21:18,554 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:18,554 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] [2019-11-28 00:21:18,555 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:18,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:18,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1347905375, now seen corresponding path program 1 times [2019-11-28 00:21:18,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:18,556 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123537204] [2019-11-28 00:21:18,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:18,669 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 00:21:18,671 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123537204] [2019-11-28 00:21:18,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:18,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:18,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605468232] [2019-11-28 00:21:18,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:18,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:18,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:18,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:18,674 INFO L87 Difference]: Start difference. First operand 176 states and 235 transitions. Second operand 3 states. [2019-11-28 00:21:18,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:18,718 INFO L93 Difference]: Finished difference Result 397 states and 529 transitions. [2019-11-28 00:21:18,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:18,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-28 00:21:18,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:18,721 INFO L225 Difference]: With dead ends: 397 [2019-11-28 00:21:18,722 INFO L226 Difference]: Without dead ends: 228 [2019-11-28 00:21:18,722 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 00:21:18,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-11-28 00:21:18,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2019-11-28 00:21:18,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-11-28 00:21:18,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2019-11-28 00:21:18,741 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 34 [2019-11-28 00:21:18,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:18,741 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2019-11-28 00:21:18,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:18,742 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2019-11-28 00:21:18,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 00:21:18,744 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:18,744 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 00:21:18,745 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:18,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:18,745 INFO L82 PathProgramCache]: Analyzing trace with hash -48040801, now seen corresponding path program 1 times [2019-11-28 00:21:18,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:18,746 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989979362] [2019-11-28 00:21:18,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:18,799 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 00:21:18,799 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989979362] [2019-11-28 00:21:18,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:18,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:18,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152194876] [2019-11-28 00:21:18,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:18,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:18,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:18,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:18,801 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 3 states. [2019-11-28 00:21:18,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:18,850 INFO L93 Difference]: Finished difference Result 365 states and 479 transitions. [2019-11-28 00:21:18,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:18,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-11-28 00:21:18,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:18,853 INFO L225 Difference]: With dead ends: 365 [2019-11-28 00:21:18,853 INFO L226 Difference]: Without dead ends: 363 [2019-11-28 00:21:18,853 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 00:21:18,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2019-11-28 00:21:18,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 282. [2019-11-28 00:21:18,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-28 00:21:18,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 376 transitions. [2019-11-28 00:21:18,875 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 376 transitions. Word has length 35 [2019-11-28 00:21:18,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:18,876 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 376 transitions. [2019-11-28 00:21:18,876 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:18,876 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 376 transitions. [2019-11-28 00:21:18,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-28 00:21:18,877 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:18,877 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2019-11-28 00:21:18,878 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:18,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:18,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1372309068, now seen corresponding path program 1 times [2019-11-28 00:21:18,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:18,878 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484052617] [2019-11-28 00:21:18,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:18,932 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484052617] [2019-11-28 00:21:18,933 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41725306] [2019-11-28 00:21:18,933 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 00:21:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:19,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 00:21:19,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:21:19,112 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:19,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 00:21:19,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-28 00:21:19,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553061589] [2019-11-28 00:21:19,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:19,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:19,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:19,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:19,115 INFO L87 Difference]: Start difference. First operand 282 states and 376 transitions. Second operand 3 states. [2019-11-28 00:21:19,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:19,193 INFO L93 Difference]: Finished difference Result 436 states and 593 transitions. [2019-11-28 00:21:19,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:19,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-11-28 00:21:19,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:19,196 INFO L225 Difference]: With dead ends: 436 [2019-11-28 00:21:19,196 INFO L226 Difference]: Without dead ends: 213 [2019-11-28 00:21:19,198 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:19,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2019-11-28 00:21:19,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2019-11-28 00:21:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-11-28 00:21:19,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 274 transitions. [2019-11-28 00:21:19,219 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 274 transitions. Word has length 60 [2019-11-28 00:21:19,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:19,220 INFO L462 AbstractCegarLoop]: Abstraction has 213 states and 274 transitions. [2019-11-28 00:21:19,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 274 transitions. [2019-11-28 00:21:19,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-28 00:21:19,222 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:19,222 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, 1, 1] [2019-11-28 00:21:19,427 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:19,428 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:19,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:19,428 INFO L82 PathProgramCache]: Analyzing trace with hash 777418342, now seen corresponding path program 1 times [2019-11-28 00:21:19,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:19,429 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494980561] [2019-11-28 00:21:19,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 00:21:19,542 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494980561] [2019-11-28 00:21:19,542 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131676529] [2019-11-28 00:21:19,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 00:21:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:19,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 00:21:19,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:21:19,776 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-28 00:21:19,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 00:21:19,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2019-11-28 00:21:19,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840248639] [2019-11-28 00:21:19,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:19,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:19,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:19,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-11-28 00:21:19,781 INFO L87 Difference]: Start difference. First operand 213 states and 274 transitions. Second operand 6 states. [2019-11-28 00:21:19,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:19,979 INFO L93 Difference]: Finished difference Result 678 states and 879 transitions. [2019-11-28 00:21:19,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 00:21:19,979 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2019-11-28 00:21:19,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:19,980 INFO L225 Difference]: With dead ends: 678 [2019-11-28 00:21:19,980 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:21:19,982 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2019-11-28 00:21:19,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:21:19,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:21:19,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:21:19,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:21:19,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-11-28 00:21:19,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:19,983 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:21:19,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:21:19,984 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:21:19,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:21:20,188 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:20,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:21:20,374 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2019-11-28 00:21:20,544 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 72 [2019-11-28 00:21:21,150 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2019-11-28 00:21:21,459 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 22 [2019-11-28 00:21:21,626 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2019-11-28 00:21:21,974 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2019-11-28 00:21:22,119 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 20 [2019-11-28 00:21:22,307 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-11-28 00:21:22,577 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2019-11-28 00:21:22,807 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2019-11-28 00:21:22,816 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 00:21:22,817 INFO L246 CegarLoopResult]: For program point L863(lines 863 867) no Hoare annotation was computed. [2019-11-28 00:21:22,817 INFO L246 CegarLoopResult]: For program point L863-3(lines 863 867) no Hoare annotation was computed. [2019-11-28 00:21:22,817 INFO L246 CegarLoopResult]: For program point L863-6(lines 863 867) no Hoare annotation was computed. [2019-11-28 00:21:22,817 INFO L246 CegarLoopResult]: For program point L533(lines 533 550) no Hoare annotation was computed. [2019-11-28 00:21:22,817 INFO L246 CegarLoopResult]: For program point L533-1(lines 533 550) no Hoare annotation was computed. [2019-11-28 00:21:22,817 INFO L246 CegarLoopResult]: For program point L533-2(lines 533 550) no Hoare annotation was computed. [2019-11-28 00:21:22,817 INFO L246 CegarLoopResult]: For program point L533-3(lines 533 550) no Hoare annotation was computed. [2019-11-28 00:21:22,818 INFO L246 CegarLoopResult]: For program point L533-4(lines 533 550) no Hoare annotation was computed. [2019-11-28 00:21:22,818 INFO L246 CegarLoopResult]: For program point L533-5(lines 533 550) no Hoare annotation was computed. [2019-11-28 00:21:22,818 INFO L246 CegarLoopResult]: For program point L533-6(lines 533 550) no Hoare annotation was computed. [2019-11-28 00:21:22,818 INFO L246 CegarLoopResult]: For program point L533-7(lines 533 550) no Hoare annotation was computed. [2019-11-28 00:21:22,818 INFO L246 CegarLoopResult]: For program point L533-8(lines 533 550) no Hoare annotation was computed. [2019-11-28 00:21:22,818 INFO L246 CegarLoopResult]: For program point L533-9(lines 533 550) no Hoare annotation was computed. [2019-11-28 00:21:22,818 INFO L246 CegarLoopResult]: For program point L533-10(lines 533 550) no Hoare annotation was computed. [2019-11-28 00:21:22,818 INFO L246 CegarLoopResult]: For program point L533-11(lines 533 550) no Hoare annotation was computed. [2019-11-28 00:21:22,819 INFO L242 CegarLoopResult]: At program point L501(lines 500 519) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse3 .cse6) (and .cse0 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse4 .cse5 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3))) [2019-11-28 00:21:22,819 INFO L246 CegarLoopResult]: For program point L501-1(lines 501 507) no Hoare annotation was computed. [2019-11-28 00:21:22,819 INFO L242 CegarLoopResult]: At program point L501-2(lines 500 519) the Hoare annotation is: false [2019-11-28 00:21:22,819 INFO L242 CegarLoopResult]: At program point L501-3(lines 500 519) the Hoare annotation is: false [2019-11-28 00:21:22,819 INFO L246 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2019-11-28 00:21:22,819 INFO L242 CegarLoopResult]: At program point L73-1(lines 73 79) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse5 .cse6 .cse3) (and .cse0 .cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4))) [2019-11-28 00:21:22,820 INFO L246 CegarLoopResult]: For program point L734(lines 734 751) no Hoare annotation was computed. [2019-11-28 00:21:22,820 INFO L242 CegarLoopResult]: At program point L734-1(lines 1 993) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse5 .cse6 .cse3) (and .cse0 .cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4))) [2019-11-28 00:21:22,820 INFO L242 CegarLoopResult]: At program point L767-2(lines 767 781) the Hoare annotation is: false [2019-11-28 00:21:22,820 INFO L246 CegarLoopResult]: For program point L734-2(lines 734 751) no Hoare annotation was computed. [2019-11-28 00:21:22,820 INFO L242 CegarLoopResult]: At program point L734-3(lines 1 993) the Hoare annotation is: false [2019-11-28 00:21:22,820 INFO L246 CegarLoopResult]: For program point L734-4(lines 734 751) no Hoare annotation was computed. [2019-11-28 00:21:22,820 INFO L242 CegarLoopResult]: At program point L734-5(lines 1 993) the Hoare annotation is: false [2019-11-28 00:21:22,821 INFO L242 CegarLoopResult]: At program point L900(lines 895 903) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2))) [2019-11-28 00:21:22,821 INFO L242 CegarLoopResult]: At program point L900-1(lines 895 903) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (and .cse0 .cse6 .cse7 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse4 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:22,821 INFO L242 CegarLoopResult]: At program point L900-2(lines 895 903) the Hoare annotation is: false [2019-11-28 00:21:22,821 INFO L242 CegarLoopResult]: At program point L900-3(lines 895 903) the Hoare annotation is: false [2019-11-28 00:21:22,821 INFO L246 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2019-11-28 00:21:22,822 INFO L242 CegarLoopResult]: At program point L900-4(lines 895 903) the Hoare annotation is: false [2019-11-28 00:21:22,822 INFO L242 CegarLoopResult]: At program point L900-5(lines 895 903) the Hoare annotation is: false [2019-11-28 00:21:22,822 INFO L246 CegarLoopResult]: For program point L537(lines 537 545) no Hoare annotation was computed. [2019-11-28 00:21:22,822 INFO L246 CegarLoopResult]: For program point L537-1(lines 537 545) no Hoare annotation was computed. [2019-11-28 00:21:22,822 INFO L246 CegarLoopResult]: For program point L537-2(lines 537 545) no Hoare annotation was computed. [2019-11-28 00:21:22,822 INFO L246 CegarLoopResult]: For program point L537-3(lines 537 545) no Hoare annotation was computed. [2019-11-28 00:21:22,822 INFO L246 CegarLoopResult]: For program point L537-4(lines 537 545) no Hoare annotation was computed. [2019-11-28 00:21:22,822 INFO L246 CegarLoopResult]: For program point L537-5(lines 537 545) no Hoare annotation was computed. [2019-11-28 00:21:22,822 INFO L246 CegarLoopResult]: For program point L537-6(lines 537 545) no Hoare annotation was computed. [2019-11-28 00:21:22,823 INFO L246 CegarLoopResult]: For program point L537-7(lines 537 545) no Hoare annotation was computed. [2019-11-28 00:21:22,823 INFO L246 CegarLoopResult]: For program point L537-8(lines 537 545) no Hoare annotation was computed. [2019-11-28 00:21:22,823 INFO L246 CegarLoopResult]: For program point L537-9(lines 537 545) no Hoare annotation was computed. [2019-11-28 00:21:22,823 INFO L246 CegarLoopResult]: For program point L537-10(lines 537 545) no Hoare annotation was computed. [2019-11-28 00:21:22,823 INFO L246 CegarLoopResult]: For program point L537-11(lines 537 545) no Hoare annotation was computed. [2019-11-28 00:21:22,823 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 00:21:22,824 INFO L242 CegarLoopResult]: At program point L109(lines 62 110) the Hoare annotation is: false [2019-11-28 00:21:22,824 INFO L242 CegarLoopResult]: At program point L638(lines 633 641) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 (<= 1 ~pumpRunning~0) .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:22,824 INFO L242 CegarLoopResult]: At program point L638-1(lines 633 641) the Hoare annotation is: false [2019-11-28 00:21:22,824 INFO L242 CegarLoopResult]: At program point L638-2(lines 633 641) the Hoare annotation is: false [2019-11-28 00:21:22,824 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-28 00:21:22,824 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-28 00:21:22,824 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-28 00:21:22,824 INFO L246 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2019-11-28 00:21:22,825 INFO L246 CegarLoopResult]: For program point L738(lines 738 748) no Hoare annotation was computed. [2019-11-28 00:21:22,825 INFO L246 CegarLoopResult]: For program point L771-1(lines 501 507) no Hoare annotation was computed. [2019-11-28 00:21:22,825 INFO L246 CegarLoopResult]: For program point L738-2(lines 738 748) no Hoare annotation was computed. [2019-11-28 00:21:22,825 INFO L246 CegarLoopResult]: For program point L738-4(lines 738 748) no Hoare annotation was computed. [2019-11-28 00:21:22,825 INFO L246 CegarLoopResult]: For program point L739(lines 739 745) no Hoare annotation was computed. [2019-11-28 00:21:22,825 INFO L246 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2019-11-28 00:21:22,825 INFO L246 CegarLoopResult]: For program point L739-2(lines 739 745) no Hoare annotation was computed. [2019-11-28 00:21:22,825 INFO L246 CegarLoopResult]: For program point L706-2(lines 706 710) no Hoare annotation was computed. [2019-11-28 00:21:22,826 INFO L246 CegarLoopResult]: For program point L706-3(lines 706 710) no Hoare annotation was computed. [2019-11-28 00:21:22,826 INFO L246 CegarLoopResult]: For program point L739-4(lines 739 745) no Hoare annotation was computed. [2019-11-28 00:21:22,826 INFO L246 CegarLoopResult]: For program point L706-5(lines 706 710) no Hoare annotation was computed. [2019-11-28 00:21:22,826 INFO L242 CegarLoopResult]: At program point L508(lines 508 514) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse4 .cse3) (and .cse0 .cse5 .cse1 .cse3 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:22,826 INFO L246 CegarLoopResult]: For program point L706-6(lines 706 710) no Hoare annotation was computed. [2019-11-28 00:21:22,826 INFO L242 CegarLoopResult]: At program point L508-1(lines 508 514) the Hoare annotation is: false [2019-11-28 00:21:22,826 INFO L246 CegarLoopResult]: For program point L706-8(lines 706 710) no Hoare annotation was computed. [2019-11-28 00:21:22,826 INFO L242 CegarLoopResult]: At program point L508-2(lines 508 514) the Hoare annotation is: false [2019-11-28 00:21:22,827 INFO L246 CegarLoopResult]: For program point L706-9(lines 706 710) no Hoare annotation was computed. [2019-11-28 00:21:22,827 INFO L246 CegarLoopResult]: For program point L706-11(lines 706 710) no Hoare annotation was computed. [2019-11-28 00:21:22,827 INFO L246 CegarLoopResult]: For program point L706-12(lines 706 710) no Hoare annotation was computed. [2019-11-28 00:21:22,827 INFO L246 CegarLoopResult]: For program point L706-14(lines 706 710) no Hoare annotation was computed. [2019-11-28 00:21:22,827 INFO L246 CegarLoopResult]: For program point L706-15(lines 706 710) no Hoare annotation was computed. [2019-11-28 00:21:22,827 INFO L246 CegarLoopResult]: For program point L706-17(lines 706 710) no Hoare annotation was computed. [2019-11-28 00:21:22,827 INFO L246 CegarLoopResult]: For program point L940(lines 940 946) no Hoare annotation was computed. [2019-11-28 00:21:22,827 INFO L246 CegarLoopResult]: For program point L940-1(lines 940 946) no Hoare annotation was computed. [2019-11-28 00:21:22,828 INFO L246 CegarLoopResult]: For program point L940-2(lines 940 946) no Hoare annotation was computed. [2019-11-28 00:21:22,829 INFO L246 CegarLoopResult]: For program point L940-3(lines 940 946) no Hoare annotation was computed. [2019-11-28 00:21:22,829 INFO L246 CegarLoopResult]: For program point L940-4(lines 940 946) no Hoare annotation was computed. [2019-11-28 00:21:22,829 INFO L246 CegarLoopResult]: For program point L940-5(lines 940 946) no Hoare annotation was computed. [2019-11-28 00:21:22,829 INFO L246 CegarLoopResult]: For program point L940-6(lines 940 946) no Hoare annotation was computed. [2019-11-28 00:21:22,830 INFO L246 CegarLoopResult]: For program point L940-7(lines 940 946) no Hoare annotation was computed. [2019-11-28 00:21:22,830 INFO L246 CegarLoopResult]: For program point L940-8(lines 940 946) no Hoare annotation was computed. [2019-11-28 00:21:22,830 INFO L246 CegarLoopResult]: For program point L940-9(lines 940 946) no Hoare annotation was computed. [2019-11-28 00:21:22,830 INFO L246 CegarLoopResult]: For program point L940-10(lines 940 946) no Hoare annotation was computed. [2019-11-28 00:21:22,830 INFO L246 CegarLoopResult]: For program point L940-11(lines 940 946) no Hoare annotation was computed. [2019-11-28 00:21:22,831 INFO L246 CegarLoopResult]: For program point L875(lines 875 879) no Hoare annotation was computed. [2019-11-28 00:21:22,831 INFO L246 CegarLoopResult]: For program point L842(lines 842 849) no Hoare annotation was computed. [2019-11-28 00:21:22,831 INFO L249 CegarLoopResult]: At program point L842-1(lines 842 849) the Hoare annotation is: true [2019-11-28 00:21:22,832 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-28 00:21:22,832 INFO L242 CegarLoopResult]: At program point L83-1(lines 83 89) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3) (and .cse0 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3))) [2019-11-28 00:21:22,832 INFO L242 CegarLoopResult]: At program point L712(lines 697 715) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:22,832 INFO L242 CegarLoopResult]: At program point L712-1(lines 697 715) the Hoare annotation is: false [2019-11-28 00:21:22,833 INFO L242 CegarLoopResult]: At program point L712-2(lines 697 715) the Hoare annotation is: false [2019-11-28 00:21:22,833 INFO L242 CegarLoopResult]: At program point L712-3(lines 697 715) the Hoare annotation is: false [2019-11-28 00:21:22,833 INFO L242 CegarLoopResult]: At program point L712-4(lines 697 715) the Hoare annotation is: false [2019-11-28 00:21:22,833 INFO L242 CegarLoopResult]: At program point L712-5(lines 697 715) the Hoare annotation is: false [2019-11-28 00:21:22,833 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:21:22,834 INFO L242 CegarLoopResult]: At program point L945(lines 936 949) the Hoare annotation is: false [2019-11-28 00:21:22,834 INFO L242 CegarLoopResult]: At program point L945-1(lines 936 949) the Hoare annotation is: false [2019-11-28 00:21:22,834 INFO L242 CegarLoopResult]: At program point L945-2(lines 936 949) the Hoare annotation is: false [2019-11-28 00:21:22,835 INFO L242 CegarLoopResult]: At program point L945-3(lines 936 949) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse2 .cse3) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:22,835 INFO L242 CegarLoopResult]: At program point L945-4(lines 936 949) the Hoare annotation is: false [2019-11-28 00:21:22,835 INFO L242 CegarLoopResult]: At program point L945-5(lines 936 949) the Hoare annotation is: false [2019-11-28 00:21:22,835 INFO L242 CegarLoopResult]: At program point L945-6(lines 936 949) the Hoare annotation is: false [2019-11-28 00:21:22,835 INFO L242 CegarLoopResult]: At program point L945-7(lines 936 949) the Hoare annotation is: false [2019-11-28 00:21:22,836 INFO L242 CegarLoopResult]: At program point L945-8(lines 936 949) the Hoare annotation is: false [2019-11-28 00:21:22,836 INFO L242 CegarLoopResult]: At program point L945-9(lines 936 949) the Hoare annotation is: false [2019-11-28 00:21:22,836 INFO L242 CegarLoopResult]: At program point L945-10(lines 936 949) the Hoare annotation is: false [2019-11-28 00:21:22,836 INFO L242 CegarLoopResult]: At program point L945-11(lines 936 949) the Hoare annotation is: false [2019-11-28 00:21:22,836 INFO L242 CegarLoopResult]: At program point L815(lines 811 817) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:22,837 INFO L246 CegarLoopResult]: For program point L585(lines 585 602) no Hoare annotation was computed. [2019-11-28 00:21:22,837 INFO L246 CegarLoopResult]: For program point L585-1(lines 585 602) no Hoare annotation was computed. [2019-11-28 00:21:22,837 INFO L246 CegarLoopResult]: For program point L585-2(lines 585 602) no Hoare annotation was computed. [2019-11-28 00:21:22,837 INFO L242 CegarLoopResult]: At program point L982(lines 1 993) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:22,837 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:21:22,838 INFO L249 CegarLoopResult]: At program point L851(lines 832 854) the Hoare annotation is: true [2019-11-28 00:21:22,838 INFO L246 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,838 INFO L246 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,838 INFO L246 CegarLoopResult]: For program point L687-3(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,838 INFO L246 CegarLoopResult]: For program point L687-5(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,838 INFO L246 CegarLoopResult]: For program point L687-6(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,839 INFO L246 CegarLoopResult]: For program point L687-8(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,839 INFO L246 CegarLoopResult]: For program point L687-9(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,839 INFO L246 CegarLoopResult]: For program point L687-11(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,839 INFO L246 CegarLoopResult]: For program point L687-12(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,839 INFO L246 CegarLoopResult]: For program point L687-14(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,839 INFO L246 CegarLoopResult]: For program point L687-15(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,840 INFO L246 CegarLoopResult]: For program point L687-17(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,840 INFO L246 CegarLoopResult]: For program point L93(lines 93 104) no Hoare annotation was computed. [2019-11-28 00:21:22,840 INFO L246 CegarLoopResult]: For program point L687-18(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,840 INFO L246 CegarLoopResult]: For program point L687-20(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,840 INFO L246 CegarLoopResult]: For program point L687-21(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,841 INFO L246 CegarLoopResult]: For program point L687-23(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,841 INFO L246 CegarLoopResult]: For program point L687-24(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,841 INFO L246 CegarLoopResult]: For program point L687-26(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,841 INFO L246 CegarLoopResult]: For program point L687-27(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,841 INFO L246 CegarLoopResult]: For program point L687-29(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,841 INFO L246 CegarLoopResult]: For program point L687-30(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,841 INFO L246 CegarLoopResult]: For program point L687-32(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,842 INFO L246 CegarLoopResult]: For program point L687-33(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,842 INFO L246 CegarLoopResult]: For program point L589(lines 589 597) no Hoare annotation was computed. [2019-11-28 00:21:22,844 INFO L246 CegarLoopResult]: For program point L589-1(lines 589 597) no Hoare annotation was computed. [2019-11-28 00:21:22,844 INFO L246 CegarLoopResult]: For program point L687-35(lines 687 691) no Hoare annotation was computed. [2019-11-28 00:21:22,844 INFO L246 CegarLoopResult]: For program point L589-2(lines 589 597) no Hoare annotation was computed. [2019-11-28 00:21:22,844 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:21:22,845 INFO L246 CegarLoopResult]: For program point L887(lines 887 891) no Hoare annotation was computed. [2019-11-28 00:21:22,845 INFO L242 CegarLoopResult]: At program point L723(lines 718 725) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:22,845 INFO L242 CegarLoopResult]: At program point L955(lines 950 958) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:22,845 INFO L242 CegarLoopResult]: At program point L955-1(lines 950 958) the Hoare annotation is: false [2019-11-28 00:21:22,845 INFO L242 CegarLoopResult]: At program point L955-2(lines 950 958) the Hoare annotation is: false [2019-11-28 00:21:22,846 INFO L242 CegarLoopResult]: At program point L955-3(lines 950 958) the Hoare annotation is: false [2019-11-28 00:21:22,846 INFO L242 CegarLoopResult]: At program point L955-4(lines 950 958) the Hoare annotation is: false [2019-11-28 00:21:22,846 INFO L242 CegarLoopResult]: At program point L955-5(lines 950 958) the Hoare annotation is: false [2019-11-28 00:21:22,846 INFO L246 CegarLoopResult]: For program point L559(lines 559 576) no Hoare annotation was computed. [2019-11-28 00:21:22,846 INFO L246 CegarLoopResult]: For program point L559-1(lines 559 576) no Hoare annotation was computed. [2019-11-28 00:21:22,847 INFO L246 CegarLoopResult]: For program point L559-2(lines 559 576) no Hoare annotation was computed. [2019-11-28 00:21:22,847 INFO L246 CegarLoopResult]: For program point L559-3(lines 559 576) no Hoare annotation was computed. [2019-11-28 00:21:22,847 INFO L246 CegarLoopResult]: For program point L559-4(lines 559 576) no Hoare annotation was computed. [2019-11-28 00:21:22,847 INFO L246 CegarLoopResult]: For program point L559-5(lines 559 576) no Hoare annotation was computed. [2019-11-28 00:21:22,847 INFO L246 CegarLoopResult]: For program point L64(lines 63 108) no Hoare annotation was computed. [2019-11-28 00:21:22,848 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-28 00:21:22,848 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:21:22,848 INFO L242 CegarLoopResult]: At program point L990(lines 985 993) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:22,848 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 00:21:22,848 INFO L242 CegarLoopResult]: At program point L693(lines 678 696) the Hoare annotation is: false [2019-11-28 00:21:22,849 INFO L242 CegarLoopResult]: At program point L693-1(lines 678 696) the Hoare annotation is: false [2019-11-28 00:21:22,850 INFO L242 CegarLoopResult]: At program point L693-2(lines 678 696) the Hoare annotation is: false [2019-11-28 00:21:22,850 INFO L242 CegarLoopResult]: At program point L693-3(lines 678 696) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)) (and (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~7)) (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse3 .cse1 .cse2))) [2019-11-28 00:21:22,850 INFO L242 CegarLoopResult]: At program point L693-4(lines 678 696) the Hoare annotation is: false [2019-11-28 00:21:22,850 INFO L242 CegarLoopResult]: At program point L693-5(lines 678 696) the Hoare annotation is: false [2019-11-28 00:21:22,850 INFO L242 CegarLoopResult]: At program point L693-6(lines 678 696) the Hoare annotation is: false [2019-11-28 00:21:22,851 INFO L242 CegarLoopResult]: At program point L693-7(lines 678 696) the Hoare annotation is: false [2019-11-28 00:21:22,851 INFO L242 CegarLoopResult]: At program point L693-8(lines 678 696) the Hoare annotation is: false [2019-11-28 00:21:22,851 INFO L242 CegarLoopResult]: At program point L693-9(lines 678 696) the Hoare annotation is: false [2019-11-28 00:21:22,851 INFO L242 CegarLoopResult]: At program point L693-10(lines 678 696) the Hoare annotation is: false [2019-11-28 00:21:22,851 INFO L242 CegarLoopResult]: At program point L693-11(lines 678 696) the Hoare annotation is: false [2019-11-28 00:21:22,851 INFO L246 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-11-28 00:21:22,852 INFO L246 CegarLoopResult]: For program point L99-2(lines 501 507) no Hoare annotation was computed. [2019-11-28 00:21:22,852 INFO L242 CegarLoopResult]: At program point L629(lines 622 632) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2))) [2019-11-28 00:21:22,852 INFO L242 CegarLoopResult]: At program point L629-1(lines 622 632) the Hoare annotation is: false [2019-11-28 00:21:22,852 INFO L246 CegarLoopResult]: For program point L563(lines 563 571) no Hoare annotation was computed. [2019-11-28 00:21:22,852 INFO L242 CegarLoopResult]: At program point L629-2(lines 622 632) the Hoare annotation is: false [2019-11-28 00:21:22,853 INFO L246 CegarLoopResult]: For program point L563-1(lines 563 571) no Hoare annotation was computed. [2019-11-28 00:21:22,854 INFO L246 CegarLoopResult]: For program point L563-2(lines 563 571) no Hoare annotation was computed. [2019-11-28 00:21:22,854 INFO L246 CegarLoopResult]: For program point L563-3(lines 563 571) no Hoare annotation was computed. [2019-11-28 00:21:22,854 INFO L246 CegarLoopResult]: For program point L563-4(lines 563 571) no Hoare annotation was computed. [2019-11-28 00:21:22,854 INFO L246 CegarLoopResult]: For program point L563-5(lines 563 571) no Hoare annotation was computed. [2019-11-28 00:21:22,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:21:22 BoogieIcfgContainer [2019-11-28 00:21:22,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:21:22,919 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:21:22,919 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:21:22,919 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:21:22,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:16" (3/4) ... [2019-11-28 00:21:22,925 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:21:22,986 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:21:22,988 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:21:22,995 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:21:22,999 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:21:23,001 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:21:23,004 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:23,006 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:23,046 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter)) || ((((((1 == systemActive && 1 <= pumpRunning) && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:23,047 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter)) || ((((((1 == systemActive && 1 <= pumpRunning) && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:23,048 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:21:23,050 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 00:21:23,053 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:23,054 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-11-28 00:21:23,062 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-11-28 00:21:23,063 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:23,063 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= methaneLevelCritical) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:23,067 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((!(0 == tmp) && 0 == \result) && 1 == systemActive) && 0 == tmp___0) && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:21:23,068 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter [2019-11-28 00:21:23,069 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter [2019-11-28 00:21:23,210 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:21:23,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:21:23,213 INFO L168 Benchmark]: Toolchain (without parser) took 9425.74 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.7 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -43.8 MB). Peak memory consumption was 272.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:23,213 INFO L168 Benchmark]: CDTParser took 0.50 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 00:21:23,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -133.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:23,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:21:23,214 INFO L168 Benchmark]: Boogie Preprocessor took 91.48 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:23,215 INFO L168 Benchmark]: RCFGBuilder took 1394.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.6 MB in the end (delta: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:23,216 INFO L168 Benchmark]: TraceAbstraction took 6809.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 195.6 MB). Free memory was 993.6 MB in the beginning and 1.0 GB in the end (delta: -26.8 MB). Peak memory consumption was 289.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:23,216 INFO L168 Benchmark]: Witness Printer took 291.92 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:23,218 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 735.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -133.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.48 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1394.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.6 MB in the end (delta: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6809.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 195.6 MB). Free memory was 993.6 MB in the beginning and 1.0 GB in the end (delta: -26.8 MB). Peak memory consumption was 289.6 MB. Max. memory is 11.5 GB. * Witness Printer took 291.92 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 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: 73]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter)) || ((((((1 == systemActive && 1 <= pumpRunning) && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= methaneLevelCritical) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((!(0 == tmp) && 0 == \result) && 1 == systemActive) && 0 == tmp___0) && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter)) || ((((((1 == systemActive && 1 <= pumpRunning) && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 193 locations, 3 error locations. Result: SAFE, OverallTime: 4.0s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, HoareTripleCheckerStatistics: 1487 SDtfs, 1544 SDslu, 1926 SDs, 0 SdLazy, 271 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 722 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 67 PreInvPairs, 229 NumberOfFragments, 779 HoareAnnotationTreeSize, 67 FomulaSimplifications, 134105 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 67 FomulaSimplificationsInter, 14117 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 537 NumberOfCodeBlocks, 537 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 523 ConstructedInterpolants, 0 QuantifiedInterpolants, 51952 SizeOfPredicates, 7 NumberOfNonLiveVariables, 864 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 65/84 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...