./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product60.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_product60.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 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:21:20,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:21:20,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:21:20,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:21:20,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:21:20,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:21:20,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:21:20,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:21:20,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:21:20,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:21:20,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:21:20,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:21:20,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:21:20,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:21:20,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:21:20,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:21:20,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:21:20,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:21:20,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:21:20,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:21:20,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:21:20,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:21:20,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:21:20,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:21:20,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:21:20,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:21:20,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:21:20,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:21:20,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:21:20,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:21:20,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:21:20,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:21:20,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:21:20,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:21:20,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:21:20,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:21:20,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:21:20,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:21:20,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:21:20,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:21:20,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:21:20,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:21:20,215 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:21:20,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:21:20,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:21:20,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:21:20,218 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:21:20,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:21:20,218 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:21:20,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:21:20,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:21:20,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:21:20,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:21:20,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:21:20,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:21:20,220 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:21:20,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:21:20,220 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:21:20,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:21:20,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:21:20,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:21:20,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:21:20,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:21:20,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:21:20,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:21:20,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:21:20,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:21:20,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:21:20,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:21:20,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:21:20,223 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 -> 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d [2019-11-28 00:21:20,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:21:20,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:21:20,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:21:20,674 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:21:20,675 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:21:20,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2019-11-28 00:21:20,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6ae91392/199eb48fc0e14dea83b2bde8f66f3110/FLAGdeb25f2b4 [2019-11-28 00:21:21,239 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:21:21,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2019-11-28 00:21:21,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6ae91392/199eb48fc0e14dea83b2bde8f66f3110/FLAGdeb25f2b4 [2019-11-28 00:21:21,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6ae91392/199eb48fc0e14dea83b2bde8f66f3110 [2019-11-28 00:21:21,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:21:21,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:21:21,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:21,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:21:21,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:21:21,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:21" (1/1) ... [2019-11-28 00:21:21,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:21, skipping insertion in model container [2019-11-28 00:21:21,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:21" (1/1) ... [2019-11-28 00:21:21,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:21:21,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:21:22,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:22,114 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:21:22,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:22,280 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:21:22,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22 WrapperNode [2019-11-28 00:21:22,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:22,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:22,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:21:22,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:21:22,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2019-11-28 00:21:22,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2019-11-28 00:21:22,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:22,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:21:22,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:21:22,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:21:22,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2019-11-28 00:21:22,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2019-11-28 00:21:22,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2019-11-28 00:21:22,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2019-11-28 00:21:22,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2019-11-28 00:21:22,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2019-11-28 00:21:22,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (1/1) ... [2019-11-28 00:21:22,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:21:22,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:21:22,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:21:22,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:21:22,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (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 00:21:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:21:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:21:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:21:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:21:23,554 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:21:23,555 INFO L297 CfgBuilder]: Removed 200 assume(true) statements. [2019-11-28 00:21:23,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:23 BoogieIcfgContainer [2019-11-28 00:21:23,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:21:23,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:21:23,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:21:23,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:21:23,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:21:21" (1/3) ... [2019-11-28 00:21:23,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e581a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:23, skipping insertion in model container [2019-11-28 00:21:23,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:22" (2/3) ... [2019-11-28 00:21:23,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e581a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:23, skipping insertion in model container [2019-11-28 00:21:23,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:23" (3/3) ... [2019-11-28 00:21:23,567 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2019-11-28 00:21:23,578 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:21:23,588 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:21:23,601 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:21:23,629 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:21:23,629 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:21:23,630 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:21:23,630 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:21:23,630 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:21:23,630 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:21:23,630 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:21:23,631 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:21:23,660 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-28 00:21:23,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:21:23,670 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:23,671 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 00:21:23,672 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:23,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:23,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1212648512, now seen corresponding path program 1 times [2019-11-28 00:21:23,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:23,690 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773808341] [2019-11-28 00:21:23,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:23,984 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 00:21:23,985 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773808341] [2019-11-28 00:21:23,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:23,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:23,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507078421] [2019-11-28 00:21:23,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:21:23,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:24,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:21:24,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:24,011 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-11-28 00:21:24,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:24,070 INFO L93 Difference]: Finished difference Result 275 states and 414 transitions. [2019-11-28 00:21:24,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:21:24,072 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:21:24,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:24,092 INFO L225 Difference]: With dead ends: 275 [2019-11-28 00:21:24,092 INFO L226 Difference]: Without dead ends: 137 [2019-11-28 00:21:24,099 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 00:21:24,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-28 00:21:24,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-28 00:21:24,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-28 00:21:24,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2019-11-28 00:21:24,150 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2019-11-28 00:21:24,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:24,150 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2019-11-28 00:21:24,150 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:21:24,151 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2019-11-28 00:21:24,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:21:24,152 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:24,152 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 00:21:24,153 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:24,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:24,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1186120291, now seen corresponding path program 1 times [2019-11-28 00:21:24,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:24,154 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962814560] [2019-11-28 00:21:24,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:24,279 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 00:21:24,279 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962814560] [2019-11-28 00:21:24,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:24,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:24,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853229944] [2019-11-28 00:21:24,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:24,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:24,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:24,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:24,283 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 3 states. [2019-11-28 00:21:24,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:24,305 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2019-11-28 00:21:24,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:24,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:21:24,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:24,307 INFO L225 Difference]: With dead ends: 137 [2019-11-28 00:21:24,307 INFO L226 Difference]: Without dead ends: 57 [2019-11-28 00:21:24,308 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 00:21:24,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-28 00:21:24,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-28 00:21:24,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-28 00:21:24,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2019-11-28 00:21:24,316 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2019-11-28 00:21:24,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:24,317 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2019-11-28 00:21:24,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:24,317 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2019-11-28 00:21:24,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:21:24,318 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:24,318 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 00:21:24,319 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:24,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:24,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1540902592, now seen corresponding path program 1 times [2019-11-28 00:21:24,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:24,321 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032545359] [2019-11-28 00:21:24,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:24,412 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 00:21:24,413 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032545359] [2019-11-28 00:21:24,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:24,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:24,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666562115] [2019-11-28 00:21:24,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:24,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:24,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:24,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:24,415 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 3 states. [2019-11-28 00:21:24,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:24,460 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2019-11-28 00:21:24,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:24,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:21:24,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:24,463 INFO L225 Difference]: With dead ends: 157 [2019-11-28 00:21:24,463 INFO L226 Difference]: Without dead ends: 107 [2019-11-28 00:21:24,464 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 00:21:24,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-28 00:21:24,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2019-11-28 00:21:24,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-11-28 00:21:24,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2019-11-28 00:21:24,491 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 24 [2019-11-28 00:21:24,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:24,491 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2019-11-28 00:21:24,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:24,493 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2019-11-28 00:21:24,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:21:24,495 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:24,496 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:24,496 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:24,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:24,497 INFO L82 PathProgramCache]: Analyzing trace with hash 2071903209, now seen corresponding path program 1 times [2019-11-28 00:21:24,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:24,498 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782201680] [2019-11-28 00:21:24,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:24,622 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 00:21:24,623 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782201680] [2019-11-28 00:21:24,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:24,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:24,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134869542] [2019-11-28 00:21:24,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:24,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:24,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:24,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:24,626 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand 3 states. [2019-11-28 00:21:24,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:24,709 INFO L93 Difference]: Finished difference Result 242 states and 363 transitions. [2019-11-28 00:21:24,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:24,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:21:24,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:24,713 INFO L225 Difference]: With dead ends: 242 [2019-11-28 00:21:24,716 INFO L226 Difference]: Without dead ends: 146 [2019-11-28 00:21:24,718 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 00:21:24,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-28 00:21:24,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2019-11-28 00:21:24,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-28 00:21:24,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2019-11-28 00:21:24,747 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 26 [2019-11-28 00:21:24,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:24,748 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2019-11-28 00:21:24,748 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:24,749 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2019-11-28 00:21:24,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 00:21:24,754 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:24,754 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 00:21:24,755 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:24,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:24,756 INFO L82 PathProgramCache]: Analyzing trace with hash 917787529, now seen corresponding path program 1 times [2019-11-28 00:21:24,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:24,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733647793] [2019-11-28 00:21:24,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:24,877 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 00:21:24,877 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733647793] [2019-11-28 00:21:24,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:24,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:24,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917089731] [2019-11-28 00:21:24,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:24,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:24,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:24,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:24,881 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand 5 states. [2019-11-28 00:21:25,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:25,069 INFO L93 Difference]: Finished difference Result 756 states and 1115 transitions. [2019-11-28 00:21:25,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:21:25,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-28 00:21:25,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:25,074 INFO L225 Difference]: With dead ends: 756 [2019-11-28 00:21:25,074 INFO L226 Difference]: Without dead ends: 619 [2019-11-28 00:21:25,076 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 00:21:25,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2019-11-28 00:21:25,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 267. [2019-11-28 00:21:25,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2019-11-28 00:21:25,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 384 transitions. [2019-11-28 00:21:25,109 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 384 transitions. Word has length 27 [2019-11-28 00:21:25,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:25,109 INFO L462 AbstractCegarLoop]: Abstraction has 267 states and 384 transitions. [2019-11-28 00:21:25,109 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:25,110 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 384 transitions. [2019-11-28 00:21:25,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 00:21:25,111 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:25,111 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] [2019-11-28 00:21:25,111 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:25,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:25,112 INFO L82 PathProgramCache]: Analyzing trace with hash -516357631, now seen corresponding path program 1 times [2019-11-28 00:21:25,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:25,112 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558552703] [2019-11-28 00:21:25,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:25,184 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 00:21:25,185 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558552703] [2019-11-28 00:21:25,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:25,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:25,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544684605] [2019-11-28 00:21:25,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:25,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:25,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:25,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:25,187 INFO L87 Difference]: Start difference. First operand 267 states and 384 transitions. Second operand 5 states. [2019-11-28 00:21:25,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:25,399 INFO L93 Difference]: Finished difference Result 1029 states and 1483 transitions. [2019-11-28 00:21:25,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:21:25,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-11-28 00:21:25,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:25,405 INFO L225 Difference]: With dead ends: 1029 [2019-11-28 00:21:25,406 INFO L226 Difference]: Without dead ends: 769 [2019-11-28 00:21:25,407 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 00:21:25,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2019-11-28 00:21:25,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 265. [2019-11-28 00:21:25,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2019-11-28 00:21:25,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 378 transitions. [2019-11-28 00:21:25,437 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 378 transitions. Word has length 28 [2019-11-28 00:21:25,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:25,437 INFO L462 AbstractCegarLoop]: Abstraction has 265 states and 378 transitions. [2019-11-28 00:21:25,438 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:25,438 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 378 transitions. [2019-11-28 00:21:25,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 00:21:25,439 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:25,439 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:25,440 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:25,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:25,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1801944586, now seen corresponding path program 1 times [2019-11-28 00:21:25,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:25,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271918694] [2019-11-28 00:21:25,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:25,487 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 00:21:25,488 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271918694] [2019-11-28 00:21:25,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:25,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:25,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131431408] [2019-11-28 00:21:25,489 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 00:21:25,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:25,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 00:21:25,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 00:21:25,490 INFO L87 Difference]: Start difference. First operand 265 states and 378 transitions. Second operand 4 states. [2019-11-28 00:21:25,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:25,567 INFO L93 Difference]: Finished difference Result 773 states and 1104 transitions. [2019-11-28 00:21:25,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 00:21:25,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-11-28 00:21:25,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:25,571 INFO L225 Difference]: With dead ends: 773 [2019-11-28 00:21:25,571 INFO L226 Difference]: Without dead ends: 515 [2019-11-28 00:21:25,572 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:25,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2019-11-28 00:21:25,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 281. [2019-11-28 00:21:25,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2019-11-28 00:21:25,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2019-11-28 00:21:25,605 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 36 [2019-11-28 00:21:25,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:25,605 INFO L462 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2019-11-28 00:21:25,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 00:21:25,606 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2019-11-28 00:21:25,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 00:21:25,607 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:25,607 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:25,607 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:25,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:25,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1481905460, now seen corresponding path program 1 times [2019-11-28 00:21:25,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:25,608 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548030872] [2019-11-28 00:21:25,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:25,665 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 00:21:25,666 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548030872] [2019-11-28 00:21:25,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:25,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:25,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154616990] [2019-11-28 00:21:25,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:25,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:25,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:25,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:25,693 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand 5 states. [2019-11-28 00:21:25,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:25,799 INFO L93 Difference]: Finished difference Result 735 states and 1021 transitions. [2019-11-28 00:21:25,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:21:25,799 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-28 00:21:25,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:25,802 INFO L225 Difference]: With dead ends: 735 [2019-11-28 00:21:25,802 INFO L226 Difference]: Without dead ends: 461 [2019-11-28 00:21:25,803 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 00:21:25,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-11-28 00:21:25,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 305. [2019-11-28 00:21:25,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2019-11-28 00:21:25,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 418 transitions. [2019-11-28 00:21:25,829 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 418 transitions. Word has length 36 [2019-11-28 00:21:25,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:25,830 INFO L462 AbstractCegarLoop]: Abstraction has 305 states and 418 transitions. [2019-11-28 00:21:25,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:25,830 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 418 transitions. [2019-11-28 00:21:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 00:21:25,831 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:25,831 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:25,831 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:25,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:25,831 INFO L82 PathProgramCache]: Analyzing trace with hash 780876232, now seen corresponding path program 1 times [2019-11-28 00:21:25,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:25,833 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522285562] [2019-11-28 00:21:25,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:25,911 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 00:21:25,912 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522285562] [2019-11-28 00:21:25,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:25,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:25,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872004219] [2019-11-28 00:21:25,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:25,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:25,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:25,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:25,917 INFO L87 Difference]: Start difference. First operand 305 states and 418 transitions. Second operand 3 states. [2019-11-28 00:21:25,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:25,985 INFO L93 Difference]: Finished difference Result 707 states and 963 transitions. [2019-11-28 00:21:25,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:25,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-11-28 00:21:25,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:25,988 INFO L225 Difference]: With dead ends: 707 [2019-11-28 00:21:25,988 INFO L226 Difference]: Without dead ends: 409 [2019-11-28 00:21:25,989 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 00:21:25,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-11-28 00:21:26,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2019-11-28 00:21:26,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-11-28 00:21:26,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2019-11-28 00:21:26,026 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 36 [2019-11-28 00:21:26,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:26,028 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2019-11-28 00:21:26,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:26,029 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2019-11-28 00:21:26,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 00:21:26,031 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:26,032 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:26,032 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:26,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:26,033 INFO L82 PathProgramCache]: Analyzing trace with hash -693602552, now seen corresponding path program 1 times [2019-11-28 00:21:26,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:26,033 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368650117] [2019-11-28 00:21:26,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:26,132 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 00:21:26,133 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368650117] [2019-11-28 00:21:26,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:26,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 00:21:26,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608802015] [2019-11-28 00:21:26,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 00:21:26,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:26,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 00:21:26,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:21:26,134 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 8 states. [2019-11-28 00:21:26,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:26,843 INFO L93 Difference]: Finished difference Result 1716 states and 2260 transitions. [2019-11-28 00:21:26,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-28 00:21:26,844 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2019-11-28 00:21:26,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:26,853 INFO L225 Difference]: With dead ends: 1716 [2019-11-28 00:21:26,853 INFO L226 Difference]: Without dead ends: 1314 [2019-11-28 00:21:26,855 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2019-11-28 00:21:26,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2019-11-28 00:21:26,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 409. [2019-11-28 00:21:26,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-11-28 00:21:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 534 transitions. [2019-11-28 00:21:26,902 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 534 transitions. Word has length 37 [2019-11-28 00:21:26,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:26,903 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 534 transitions. [2019-11-28 00:21:26,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 00:21:26,903 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2019-11-28 00:21:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-28 00:21:26,905 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:26,905 INFO L410 BasicCegarLoop]: trace histogram [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 00:21:26,906 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:26,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:26,906 INFO L82 PathProgramCache]: Analyzing trace with hash 654995562, now seen corresponding path program 1 times [2019-11-28 00:21:26,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:26,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275060507] [2019-11-28 00:21:26,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:26,947 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 00:21:26,948 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275060507] [2019-11-28 00:21:26,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:26,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:26,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624572060] [2019-11-28 00:21:26,949 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:26,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:26,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:26,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:26,950 INFO L87 Difference]: Start difference. First operand 409 states and 534 transitions. Second operand 3 states. [2019-11-28 00:21:27,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:27,025 INFO L93 Difference]: Finished difference Result 692 states and 901 transitions. [2019-11-28 00:21:27,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:27,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-11-28 00:21:27,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:27,030 INFO L225 Difference]: With dead ends: 692 [2019-11-28 00:21:27,030 INFO L226 Difference]: Without dead ends: 290 [2019-11-28 00:21:27,031 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 00:21:27,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2019-11-28 00:21:27,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 282. [2019-11-28 00:21:27,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-28 00:21:27,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 362 transitions. [2019-11-28 00:21:27,059 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 362 transitions. Word has length 55 [2019-11-28 00:21:27,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:27,059 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 362 transitions. [2019-11-28 00:21:27,059 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:27,060 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 362 transitions. [2019-11-28 00:21:27,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:21:27,061 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:27,061 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:27,062 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:27,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:27,062 INFO L82 PathProgramCache]: Analyzing trace with hash -805983262, now seen corresponding path program 1 times [2019-11-28 00:21:27,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:27,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955836048] [2019-11-28 00:21:27,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:27,130 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:27,130 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955836048] [2019-11-28 00:21:27,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:27,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:27,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381415221] [2019-11-28 00:21:27,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:27,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:27,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:27,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:27,134 INFO L87 Difference]: Start difference. First operand 282 states and 362 transitions. Second operand 3 states. [2019-11-28 00:21:27,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:27,194 INFO L93 Difference]: Finished difference Result 413 states and 532 transitions. [2019-11-28 00:21:27,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:27,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-28 00:21:27,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:27,198 INFO L225 Difference]: With dead ends: 413 [2019-11-28 00:21:27,199 INFO L226 Difference]: Without dead ends: 411 [2019-11-28 00:21:27,200 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 00:21:27,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2019-11-28 00:21:27,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 308. [2019-11-28 00:21:27,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-28 00:21:27,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 401 transitions. [2019-11-28 00:21:27,233 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 401 transitions. Word has length 58 [2019-11-28 00:21:27,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:27,234 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 401 transitions. [2019-11-28 00:21:27,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:27,234 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 401 transitions. [2019-11-28 00:21:27,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 00:21:27,236 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:27,236 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:27,236 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:27,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:27,240 INFO L82 PathProgramCache]: Analyzing trace with hash 750831267, now seen corresponding path program 1 times [2019-11-28 00:21:27,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:27,241 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130181748] [2019-11-28 00:21:27,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:27,413 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 00:21:27,414 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130181748] [2019-11-28 00:21:27,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:27,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:27,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640671398] [2019-11-28 00:21:27,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:27,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:27,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:27,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:27,416 INFO L87 Difference]: Start difference. First operand 308 states and 401 transitions. Second operand 5 states. [2019-11-28 00:21:27,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:27,622 INFO L93 Difference]: Finished difference Result 845 states and 1129 transitions. [2019-11-28 00:21:27,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:21:27,623 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-28 00:21:27,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:27,627 INFO L225 Difference]: With dead ends: 845 [2019-11-28 00:21:27,628 INFO L226 Difference]: Without dead ends: 632 [2019-11-28 00:21:27,629 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:21:27,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2019-11-28 00:21:27,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 399. [2019-11-28 00:21:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2019-11-28 00:21:27,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 526 transitions. [2019-11-28 00:21:27,678 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 526 transitions. Word has length 82 [2019-11-28 00:21:27,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:27,679 INFO L462 AbstractCegarLoop]: Abstraction has 399 states and 526 transitions. [2019-11-28 00:21:27,679 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 526 transitions. [2019-11-28 00:21:27,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 00:21:27,682 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:27,682 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:27,683 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:27,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:27,683 INFO L82 PathProgramCache]: Analyzing trace with hash -270237087, now seen corresponding path program 1 times [2019-11-28 00:21:27,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:27,689 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938643657] [2019-11-28 00:21:27,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:27,814 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:27,815 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938643657] [2019-11-28 00:21:27,815 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119249737] [2019-11-28 00:21:27,816 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 00:21:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:27,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 00:21:27,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:21:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:28,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:21:28,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-28 00:21:28,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520788607] [2019-11-28 00:21:28,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 00:21:28,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:28,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 00:21:28,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 00:21:28,032 INFO L87 Difference]: Start difference. First operand 399 states and 526 transitions. Second operand 4 states. [2019-11-28 00:21:28,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:28,204 INFO L93 Difference]: Finished difference Result 1262 states and 1670 transitions. [2019-11-28 00:21:28,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 00:21:28,204 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2019-11-28 00:21:28,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:28,210 INFO L225 Difference]: With dead ends: 1262 [2019-11-28 00:21:28,210 INFO L226 Difference]: Without dead ends: 867 [2019-11-28 00:21:28,211 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 00:21:28,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2019-11-28 00:21:28,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 857. [2019-11-28 00:21:28,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2019-11-28 00:21:28,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1120 transitions. [2019-11-28 00:21:28,342 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1120 transitions. Word has length 82 [2019-11-28 00:21:28,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:28,343 INFO L462 AbstractCegarLoop]: Abstraction has 857 states and 1120 transitions. [2019-11-28 00:21:28,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 00:21:28,343 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1120 transitions. [2019-11-28 00:21:28,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 00:21:28,351 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:28,351 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:28,559 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:28,560 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:28,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:28,560 INFO L82 PathProgramCache]: Analyzing trace with hash 356464481, now seen corresponding path program 1 times [2019-11-28 00:21:28,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:28,561 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131853304] [2019-11-28 00:21:28,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:28,636 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-28 00:21:28,637 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131853304] [2019-11-28 00:21:28,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:28,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:28,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370508424] [2019-11-28 00:21:28,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:28,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:28,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:28,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:28,639 INFO L87 Difference]: Start difference. First operand 857 states and 1120 transitions. Second operand 5 states. [2019-11-28 00:21:28,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:28,757 INFO L93 Difference]: Finished difference Result 1598 states and 2067 transitions. [2019-11-28 00:21:28,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:21:28,757 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-28 00:21:28,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:28,761 INFO L225 Difference]: With dead ends: 1598 [2019-11-28 00:21:28,762 INFO L226 Difference]: Without dead ends: 748 [2019-11-28 00:21:28,763 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 00:21:28,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2019-11-28 00:21:28,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 404. [2019-11-28 00:21:28,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2019-11-28 00:21:28,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 511 transitions. [2019-11-28 00:21:28,810 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 511 transitions. Word has length 82 [2019-11-28 00:21:28,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:28,810 INFO L462 AbstractCegarLoop]: Abstraction has 404 states and 511 transitions. [2019-11-28 00:21:28,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:28,811 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 511 transitions. [2019-11-28 00:21:28,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-28 00:21:28,812 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:28,812 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:28,813 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:28,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:28,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1612420545, now seen corresponding path program 2 times [2019-11-28 00:21:28,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:28,814 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27200490] [2019-11-28 00:21:28,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:28,930 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-28 00:21:28,931 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27200490] [2019-11-28 00:21:28,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:28,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:21:28,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574058208] [2019-11-28 00:21:28,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:28,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:28,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:28,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:21:28,934 INFO L87 Difference]: Start difference. First operand 404 states and 511 transitions. Second operand 6 states. [2019-11-28 00:21:29,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:29,201 INFO L93 Difference]: Finished difference Result 992 states and 1252 transitions. [2019-11-28 00:21:29,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:21:29,202 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-11-28 00:21:29,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:29,202 INFO L225 Difference]: With dead ends: 992 [2019-11-28 00:21:29,202 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:21:29,204 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:21:29,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:21:29,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:21:29,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:21:29,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:21:29,205 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2019-11-28 00:21:29,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:29,205 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:21:29,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:21:29,206 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:21:29,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:21:29,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:21:29,322 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-11-28 00:21:29,895 WARN L192 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 166 [2019-11-28 00:21:30,349 WARN L192 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 134 [2019-11-28 00:21:30,844 WARN L192 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 162 [2019-11-28 00:21:31,340 WARN L192 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 163 [2019-11-28 00:21:31,619 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 115 [2019-11-28 00:21:32,258 WARN L192 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 212 [2019-11-28 00:21:32,828 WARN L192 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 217 [2019-11-28 00:21:33,228 WARN L192 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 217 [2019-11-28 00:21:33,477 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 155 [2019-11-28 00:21:33,844 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 204 [2019-11-28 00:21:34,040 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 23 [2019-11-28 00:21:34,197 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 21 [2019-11-28 00:21:34,371 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2019-11-28 00:21:35,226 WARN L192 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 39 [2019-11-28 00:21:35,889 WARN L192 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2019-11-28 00:21:36,853 WARN L192 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 33 [2019-11-28 00:21:37,080 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 26 [2019-11-28 00:21:37,767 WARN L192 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 39 [2019-11-28 00:21:38,275 WARN L192 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 27 [2019-11-28 00:21:39,531 WARN L192 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 207 DAG size of output: 31 [2019-11-28 00:21:40,976 WARN L192 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 214 DAG size of output: 33 [2019-11-28 00:21:42,152 WARN L192 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 212 DAG size of output: 38 [2019-11-28 00:21:43,144 WARN L192 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2019-11-28 00:21:43,448 WARN L192 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 24 [2019-11-28 00:21:44,548 WARN L192 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2019-11-28 00:21:44,556 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2019-11-28 00:21:44,556 INFO L242 CegarLoopResult]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-11-28 00:21:44,556 INFO L242 CegarLoopResult]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse1 .cse2) (and .cse6 .cse4 .cse7 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse7 .cse1 .cse2))) [2019-11-28 00:21:44,556 INFO L242 CegarLoopResult]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-11-28 00:21:44,557 INFO L242 CegarLoopResult]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-11-28 00:21:44,557 INFO L242 CegarLoopResult]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-11-28 00:21:44,557 INFO L246 CegarLoopResult]: For program point L995(lines 995 1012) no Hoare annotation was computed. [2019-11-28 00:21:44,557 INFO L242 CegarLoopResult]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-11-28 00:21:44,558 INFO L242 CegarLoopResult]: At program point L995-1(lines 1 1015) the Hoare annotation is: (let ((.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse7 (= 0 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10)) (.cse8 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse9 (not .cse2)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse10 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse4 .cse9 .cse5 .cse10 .cse6 .cse7) (and .cse8 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse5 .cse6) (and .cse8 .cse3 .cse4 .cse9 .cse5 .cse10 .cse6)))) [2019-11-28 00:21:44,558 INFO L246 CegarLoopResult]: For program point L995-2(lines 995 1012) no Hoare annotation was computed. [2019-11-28 00:21:44,558 INFO L242 CegarLoopResult]: At program point L995-3(lines 1 1015) the Hoare annotation is: false [2019-11-28 00:21:44,558 INFO L246 CegarLoopResult]: For program point L995-4(lines 995 1012) no Hoare annotation was computed. [2019-11-28 00:21:44,558 INFO L242 CegarLoopResult]: At program point L995-5(lines 1 1015) the Hoare annotation is: false [2019-11-28 00:21:44,559 INFO L242 CegarLoopResult]: At program point L931(lines 916 934) the Hoare annotation is: false [2019-11-28 00:21:44,559 INFO L242 CegarLoopResult]: At program point L931-1(lines 916 934) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (.cse8 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse8 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse7 .cse8 .cse3 .cse4))) [2019-11-28 00:21:44,559 INFO L242 CegarLoopResult]: At program point L931-2(lines 916 934) the Hoare annotation is: false [2019-11-28 00:21:44,559 INFO L242 CegarLoopResult]: At program point L931-3(lines 916 934) the Hoare annotation is: false [2019-11-28 00:21:44,559 INFO L242 CegarLoopResult]: At program point L931-4(lines 916 934) the Hoare annotation is: false [2019-11-28 00:21:44,560 INFO L242 CegarLoopResult]: At program point L931-5(lines 916 934) the Hoare annotation is: false [2019-11-28 00:21:44,560 INFO L242 CegarLoopResult]: At program point L172-2(lines 172 186) the Hoare annotation is: false [2019-11-28 00:21:44,560 INFO L246 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2019-11-28 00:21:44,560 INFO L246 CegarLoopResult]: For program point L999(lines 999 1009) no Hoare annotation was computed. [2019-11-28 00:21:44,560 INFO L246 CegarLoopResult]: For program point L999-2(lines 999 1009) no Hoare annotation was computed. [2019-11-28 00:21:44,560 INFO L242 CegarLoopResult]: At program point L867(lines 860 870) the Hoare annotation is: false [2019-11-28 00:21:44,560 INFO L246 CegarLoopResult]: For program point L999-4(lines 999 1009) no Hoare annotation was computed. [2019-11-28 00:21:44,560 INFO L242 CegarLoopResult]: At program point L867-1(lines 860 870) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse0 .cse1 .cse3 (not .cse2) .cse4 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 00:21:44,561 INFO L242 CegarLoopResult]: At program point L867-2(lines 860 870) the Hoare annotation is: false [2019-11-28 00:21:44,561 INFO L242 CegarLoopResult]: At program point L867-3(lines 860 870) the Hoare annotation is: false [2019-11-28 00:21:44,561 INFO L242 CegarLoopResult]: At program point L867-4(lines 860 870) the Hoare annotation is: false [2019-11-28 00:21:44,561 INFO L242 CegarLoopResult]: At program point L867-5(lines 860 870) the Hoare annotation is: false [2019-11-28 00:21:44,561 INFO L246 CegarLoopResult]: For program point L1000(lines 1000 1006) no Hoare annotation was computed. [2019-11-28 00:21:44,561 INFO L246 CegarLoopResult]: For program point L1000-2(lines 1000 1006) no Hoare annotation was computed. [2019-11-28 00:21:44,561 INFO L246 CegarLoopResult]: For program point L1000-4(lines 1000 1006) no Hoare annotation was computed. [2019-11-28 00:21:44,561 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2019-11-28 00:21:44,562 INFO L246 CegarLoopResult]: For program point L341(lines 341 356) no Hoare annotation was computed. [2019-11-28 00:21:44,562 INFO L246 CegarLoopResult]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-11-28 00:21:44,562 INFO L246 CegarLoopResult]: For program point L176-1(lines 747 753) no Hoare annotation was computed. [2019-11-28 00:21:44,562 INFO L246 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-11-28 00:21:44,562 INFO L246 CegarLoopResult]: For program point L805(lines 805 822) no Hoare annotation was computed. [2019-11-28 00:21:44,562 INFO L246 CegarLoopResult]: For program point L805-1(lines 805 822) no Hoare annotation was computed. [2019-11-28 00:21:44,562 INFO L246 CegarLoopResult]: For program point L805-2(lines 805 822) no Hoare annotation was computed. [2019-11-28 00:21:44,562 INFO L242 CegarLoopResult]: At program point L146(lines 141 149) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:44,562 INFO L242 CegarLoopResult]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-11-28 00:21:44,563 INFO L242 CegarLoopResult]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-11-28 00:21:44,563 INFO L246 CegarLoopResult]: For program point L312(lines 311 360) no Hoare annotation was computed. [2019-11-28 00:21:44,563 INFO L246 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2019-11-28 00:21:44,563 INFO L246 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2019-11-28 00:21:44,563 INFO L246 CegarLoopResult]: For program point L809(lines 809 817) no Hoare annotation was computed. [2019-11-28 00:21:44,563 INFO L246 CegarLoopResult]: For program point L842-2(lines 842 848) no Hoare annotation was computed. [2019-11-28 00:21:44,563 INFO L246 CegarLoopResult]: For program point L809-1(lines 809 817) no Hoare annotation was computed. [2019-11-28 00:21:44,563 INFO L246 CegarLoopResult]: For program point L809-2(lines 809 817) no Hoare annotation was computed. [2019-11-28 00:21:44,564 INFO L246 CegarLoopResult]: For program point L842-4(lines 842 848) no Hoare annotation was computed. [2019-11-28 00:21:44,564 INFO L246 CegarLoopResult]: For program point L842-6(lines 842 848) no Hoare annotation was computed. [2019-11-28 00:21:44,564 INFO L246 CegarLoopResult]: For program point L842-8(lines 842 848) no Hoare annotation was computed. [2019-11-28 00:21:44,564 INFO L246 CegarLoopResult]: For program point L842-10(lines 842 848) no Hoare annotation was computed. [2019-11-28 00:21:44,564 INFO L242 CegarLoopResult]: At program point L876(lines 871 879) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and (= 1 ~systemActive~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~systemActive~0)))) [2019-11-28 00:21:44,564 INFO L242 CegarLoopResult]: At program point L876-1(lines 871 879) the Hoare annotation is: false [2019-11-28 00:21:44,564 INFO L242 CegarLoopResult]: At program point L876-2(lines 871 879) the Hoare annotation is: false [2019-11-28 00:21:44,564 INFO L246 CegarLoopResult]: For program point L349(lines 349 355) no Hoare annotation was computed. [2019-11-28 00:21:44,565 INFO L242 CegarLoopResult]: At program point L349-1(lines 747 753) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse8 (= 0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4) (and .cse0 .cse6 .cse4 .cse7 .cse5) (and .cse2 .cse3 .cse4 .cse7 .cse8) (and .cse1 .cse2 .cse3 .cse4 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse7 .cse5))) [2019-11-28 00:21:44,565 INFO L246 CegarLoopResult]: For program point L250(lines 250 257) no Hoare annotation was computed. [2019-11-28 00:21:44,565 INFO L249 CegarLoopResult]: At program point L250-1(lines 250 257) the Hoare annotation is: true [2019-11-28 00:21:44,565 INFO L246 CegarLoopResult]: For program point L944(lines 944 948) no Hoare annotation was computed. [2019-11-28 00:21:44,565 INFO L246 CegarLoopResult]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2019-11-28 00:21:44,565 INFO L246 CegarLoopResult]: For program point L944-3(lines 944 948) no Hoare annotation was computed. [2019-11-28 00:21:44,565 INFO L246 CegarLoopResult]: For program point L779(lines 779 796) no Hoare annotation was computed. [2019-11-28 00:21:44,565 INFO L246 CegarLoopResult]: For program point L944-5(lines 944 948) no Hoare annotation was computed. [2019-11-28 00:21:44,565 INFO L246 CegarLoopResult]: For program point L779-1(lines 779 796) no Hoare annotation was computed. [2019-11-28 00:21:44,566 INFO L246 CegarLoopResult]: For program point L944-6(lines 944 948) no Hoare annotation was computed. [2019-11-28 00:21:44,566 INFO L246 CegarLoopResult]: For program point L779-2(lines 779 796) no Hoare annotation was computed. [2019-11-28 00:21:44,566 INFO L246 CegarLoopResult]: For program point L779-3(lines 779 796) no Hoare annotation was computed. [2019-11-28 00:21:44,566 INFO L246 CegarLoopResult]: For program point L944-8(lines 944 948) no Hoare annotation was computed. [2019-11-28 00:21:44,566 INFO L246 CegarLoopResult]: For program point L779-4(lines 779 796) no Hoare annotation was computed. [2019-11-28 00:21:44,566 INFO L246 CegarLoopResult]: For program point L779-5(lines 779 796) no Hoare annotation was computed. [2019-11-28 00:21:44,566 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:21:44,566 INFO L242 CegarLoopResult]: At program point L747(lines 746 765) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse2) (and .cse6 .cse1 .cse4 .cse2 .cse5))) [2019-11-28 00:21:44,567 INFO L246 CegarLoopResult]: For program point L747-1(lines 747 753) no Hoare annotation was computed. [2019-11-28 00:21:44,567 INFO L242 CegarLoopResult]: At program point L747-2(lines 746 765) the Hoare annotation is: false [2019-11-28 00:21:44,567 INFO L242 CegarLoopResult]: At program point L747-3(lines 746 765) the Hoare annotation is: false [2019-11-28 00:21:44,567 INFO L246 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-11-28 00:21:44,567 INFO L246 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-11-28 00:21:44,567 INFO L246 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-11-28 00:21:44,567 INFO L242 CegarLoopResult]: At program point L286(lines 1 1015) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:44,567 INFO L242 CegarLoopResult]: At program point L221(lines 217 223) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:44,568 INFO L246 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2019-11-28 00:21:44,568 INFO L246 CegarLoopResult]: For program point L155-1(line 155) no Hoare annotation was computed. [2019-11-28 00:21:44,568 INFO L246 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2019-11-28 00:21:44,568 INFO L246 CegarLoopResult]: For program point L783(lines 783 791) no Hoare annotation was computed. [2019-11-28 00:21:44,568 INFO L246 CegarLoopResult]: For program point L783-1(lines 783 791) no Hoare annotation was computed. [2019-11-28 00:21:44,568 INFO L246 CegarLoopResult]: For program point L783-2(lines 783 791) no Hoare annotation was computed. [2019-11-28 00:21:44,568 INFO L246 CegarLoopResult]: For program point L783-3(lines 783 791) no Hoare annotation was computed. [2019-11-28 00:21:44,568 INFO L246 CegarLoopResult]: For program point L783-4(lines 783 791) no Hoare annotation was computed. [2019-11-28 00:21:44,569 INFO L246 CegarLoopResult]: For program point L783-5(lines 783 791) no Hoare annotation was computed. [2019-11-28 00:21:44,569 INFO L246 CegarLoopResult]: For program point L321(lines 321 327) no Hoare annotation was computed. [2019-11-28 00:21:44,569 INFO L242 CegarLoopResult]: At program point L321-1(lines 321 327) the Hoare annotation is: (let ((.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse7 (= 0 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10)) (.cse8 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse9 (not .cse2)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse10 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse4 .cse9 .cse5 .cse10 .cse6 .cse7) (and .cse8 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse5 .cse6) (and .cse8 .cse3 .cse4 .cse9 .cse5 .cse10 .cse6)))) [2019-11-28 00:21:44,569 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:21:44,569 INFO L242 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2019-11-28 00:21:44,569 INFO L242 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (not .cse3) .cse4 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse3 .cse2 .cse4))) [2019-11-28 00:21:44,569 INFO L242 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: (let ((.cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse5 (= 0 ~systemActive~0)) (.cse6 (not .cse1)) (.cse7 (= 1 ~methaneLevelCritical~0)) (.cse8 (= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse3 .cse6 .cse4 .cse7 .cse5) (and .cse8 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse4) (and .cse8 .cse2 .cse3 .cse6 .cse7 .cse4) (and .cse8 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2019-11-28 00:21:44,570 INFO L242 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-11-28 00:21:44,570 INFO L242 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-11-28 00:21:44,570 INFO L242 CegarLoopResult]: At program point L950(lines 935 953) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse2 (= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (.cse4 (= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) (.cse3 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse3 .cse5 .cse6 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 00:21:44,570 INFO L242 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-11-28 00:21:44,570 INFO L242 CegarLoopResult]: At program point L950-1(lines 935 953) the Hoare annotation is: false [2019-11-28 00:21:44,570 INFO L242 CegarLoopResult]: At program point L91-6(lines 86 94) the Hoare annotation is: false [2019-11-28 00:21:44,570 INFO L242 CegarLoopResult]: At program point L950-2(lines 935 953) the Hoare annotation is: false [2019-11-28 00:21:44,570 INFO L242 CegarLoopResult]: At program point L91-7(lines 86 94) the Hoare annotation is: false [2019-11-28 00:21:44,571 INFO L242 CegarLoopResult]: At program point L91-8(lines 86 94) the Hoare annotation is: false [2019-11-28 00:21:44,571 INFO L242 CegarLoopResult]: At program point L984(lines 979 986) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:44,571 INFO L242 CegarLoopResult]: At program point L754(lines 754 760) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse0 .cse1 .cse3 .cse4 .cse2) (and .cse0 .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse4 .cse2 .cse5 .cse6) (and .cse1 .cse3 .cse4 .cse2 .cse6))) [2019-11-28 00:21:44,571 INFO L242 CegarLoopResult]: At program point L754-1(lines 754 760) the Hoare annotation is: false [2019-11-28 00:21:44,571 INFO L242 CegarLoopResult]: At program point L754-2(lines 754 760) the Hoare annotation is: false [2019-11-28 00:21:44,571 INFO L249 CegarLoopResult]: At program point L259(lines 240 262) the Hoare annotation is: true [2019-11-28 00:21:44,571 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:21:44,571 INFO L242 CegarLoopResult]: At program point L294(lines 289 297) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:44,572 INFO L242 CegarLoopResult]: At program point L361(lines 310 362) the Hoare annotation is: false [2019-11-28 00:21:44,572 INFO L246 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:21:44,572 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:21:44,572 INFO L246 CegarLoopResult]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:21:44,572 INFO L246 CegarLoopResult]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:21:44,572 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:21:44,572 INFO L246 CegarLoopResult]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:21:44,572 INFO L246 CegarLoopResult]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:21:44,573 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2019-11-28 00:21:44,573 INFO L246 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-11-28 00:21:44,573 INFO L246 CegarLoopResult]: For program point L958(lines 958 964) no Hoare annotation was computed. [2019-11-28 00:21:44,573 INFO L242 CegarLoopResult]: At program point L958-1(lines 958 964) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2))) [2019-11-28 00:21:44,573 INFO L246 CegarLoopResult]: For program point L925(lines 925 929) no Hoare annotation was computed. [2019-11-28 00:21:44,573 INFO L246 CegarLoopResult]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2019-11-28 00:21:44,573 INFO L246 CegarLoopResult]: For program point L925-3(lines 925 929) no Hoare annotation was computed. [2019-11-28 00:21:44,573 INFO L246 CegarLoopResult]: For program point L925-5(lines 925 929) no Hoare annotation was computed. [2019-11-28 00:21:44,573 INFO L246 CegarLoopResult]: For program point L925-6(lines 925 929) no Hoare annotation was computed. [2019-11-28 00:21:44,574 INFO L246 CegarLoopResult]: For program point L925-8(lines 925 929) no Hoare annotation was computed. [2019-11-28 00:21:44,574 INFO L246 CegarLoopResult]: For program point L925-9(lines 925 929) no Hoare annotation was computed. [2019-11-28 00:21:44,574 INFO L246 CegarLoopResult]: For program point L925-11(lines 925 929) no Hoare annotation was computed. [2019-11-28 00:21:44,574 INFO L246 CegarLoopResult]: For program point L925-12(lines 925 929) no Hoare annotation was computed. [2019-11-28 00:21:44,574 INFO L246 CegarLoopResult]: For program point L925-14(lines 925 929) no Hoare annotation was computed. [2019-11-28 00:21:44,574 INFO L246 CegarLoopResult]: For program point L925-15(lines 925 929) no Hoare annotation was computed. [2019-11-28 00:21:44,574 INFO L246 CegarLoopResult]: For program point L925-17(lines 925 929) no Hoare annotation was computed. [2019-11-28 00:21:44,574 INFO L246 CegarLoopResult]: For program point L331(lines 331 337) no Hoare annotation was computed. [2019-11-28 00:21:44,574 INFO L242 CegarLoopResult]: At program point L331-1(lines 331 337) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= 0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse6 .cse4 .cse8 .cse5) (and .cse2 .cse3 .cse4 .cse8 .cse5 .cse7) (and .cse0 .cse2 .cse3 .cse4 .cse8 .cse5))) [2019-11-28 00:21:44,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:21:44 BoogieIcfgContainer [2019-11-28 00:21:44,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:21:44,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:21:44,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:21:44,610 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:21:44,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:23" (3/4) ... [2019-11-28 00:21:44,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:21:44,635 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:21:44,637 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:21:44,638 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:21:44,639 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:21:44,640 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:21:44,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:44,643 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:44,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && 0 == tmp) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == tmp) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-28 00:21:44,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && 0 == tmp) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == tmp) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-28 00:21:44,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 1 == methaneLevelCritical) && 0 == splverifierCounter)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:21:44,678 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-28 00:21:44,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((\result == 1 && 1 == systemActive) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:21:44,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && \result == 0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((\result == 0 && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) [2019-11-28 00:21:44,680 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp___0) && 0 == tmp) && 1 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((((1 == systemActive && 0 == \result) && 1 == tmp___0) && 1 == \result) && 0 == tmp) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:21:44,680 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == methaneLevelCritical) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:21:44,682 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:21:44,682 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((!(0 == \result) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:21:44,779 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:21:44,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:21:44,781 INFO L168 Benchmark]: Toolchain (without parser) took 23212.05 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 550.0 MB). Free memory was 961.7 MB in the beginning and 1.5 GB in the end (delta: -532.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:44,781 INFO L168 Benchmark]: CDTParser took 0.61 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 00:21:44,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:44,782 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.84 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 00:21:44,782 INFO L168 Benchmark]: Boogie Preprocessor took 55.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:44,783 INFO L168 Benchmark]: RCFGBuilder took 1110.21 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: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:44,783 INFO L168 Benchmark]: TraceAbstraction took 21050.67 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 374.3 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -438.9 MB). Peak memory consumption was 515.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:44,783 INFO L168 Benchmark]: Witness Printer took 170.02 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:44,787 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 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 711.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.84 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 55.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1110.21 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: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21050.67 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 374.3 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -438.9 MB). Peak memory consumption was 515.2 MB. Max. memory is 11.5 GB. * Witness Printer took 170.02 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 155]: 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: 86]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp___0) && 0 == tmp) && 1 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((((1 == systemActive && 0 == \result) && 1 == tmp___0) && 1 == \result) && 0 == tmp) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == tmp) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == tmp) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 1 == methaneLevelCritical) && 0 == splverifierCounter)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((!(0 == \result) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == tmp) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == tmp) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((\result == 1 && 1 == systemActive) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && 0 == splverifierCounter)) || ((((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == methaneLevelCritical) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && \result == 0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((\result == 0 && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter)) || (((((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Result: SAFE, OverallTime: 5.5s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.3s, HoareTripleCheckerStatistics: 1962 SDtfs, 2326 SDslu, 3607 SDs, 0 SdLazy, 483 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=857occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 2855 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 300 NumberOfFragments, 1178 HoareAnnotationTreeSize, 57 FomulaSimplifications, 9132913 FormulaSimplificationTreeSizeReduction, 4.6s HoareSimplificationTime, 57 FomulaSimplificationsInter, 1426421 FormulaSimplificationTreeSizeReductionInter, 10.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 811 NumberOfCodeBlocks, 811 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 794 ConstructedInterpolants, 0 QuantifiedInterpolants, 81976 SizeOfPredicates, 1 NumberOfNonLiveVariables, 498 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 263/289 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...