./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product39.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 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:25:08,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:25:08,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:25:08,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:25:08,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:25:08,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:25:08,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:25:08,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:25:08,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:25:08,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:25:08,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:25:08,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:25:08,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:25:08,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:25:08,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:25:08,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:25:08,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:25:08,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:25:08,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:25:08,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:25:08,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:25:08,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:25:08,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:25:08,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:25:08,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:25:08,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:25:08,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:25:08,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:25:08,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:25:08,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:25:08,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:25:08,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:25:08,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:25:08,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:25:08,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:25:08,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:25:08,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:25:08,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:25:08,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:25:08,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:25:08,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:25:08,378 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:25:08,400 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:25:08,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:25:08,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:25:08,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:25:08,402 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:25:08,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:25:08,402 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:25:08,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:25:08,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:25:08,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:25:08,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:25:08,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:25:08,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:25:08,404 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:25:08,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:25:08,404 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:25:08,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:25:08,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:25:08,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:25:08,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:25:08,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:25:08,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:25:08,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:25:08,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:25:08,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:25:08,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:25:08,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:25:08,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:25:08,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:25:08,407 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 -> 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc [2019-11-28 17:25:08,754 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:25:08,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:25:08,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:25:08,772 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:25:08,774 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:25:08,774 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2019-11-28 17:25:08,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59e68b568/24fd6b114a1c44e48dd3cdb5e303b216/FLAGbef2f5588 [2019-11-28 17:25:09,324 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:25:09,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2019-11-28 17:25:09,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59e68b568/24fd6b114a1c44e48dd3cdb5e303b216/FLAGbef2f5588 [2019-11-28 17:25:09,707 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59e68b568/24fd6b114a1c44e48dd3cdb5e303b216 [2019-11-28 17:25:09,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:25:09,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:25:09,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:09,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:25:09,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:25:09,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:09" (1/1) ... [2019-11-28 17:25:09,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5399f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:09, skipping insertion in model container [2019-11-28 17:25:09,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:09" (1/1) ... [2019-11-28 17:25:09,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:25:09,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:25:10,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:10,169 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:25:10,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:10,360 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:25:10,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:10 WrapperNode [2019-11-28 17:25:10,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:10,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:10,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:25:10,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:25:10,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:10" (1/1) ... [2019-11-28 17:25:10,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:10" (1/1) ... [2019-11-28 17:25:10,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:10,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:25:10,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:25:10,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:25:10,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:10" (1/1) ... [2019-11-28 17:25:10,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:10" (1/1) ... [2019-11-28 17:25:10,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:10" (1/1) ... [2019-11-28 17:25:10,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:10" (1/1) ... [2019-11-28 17:25:10,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:10" (1/1) ... [2019-11-28 17:25:10,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:10" (1/1) ... [2019-11-28 17:25:10,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:10" (1/1) ... [2019-11-28 17:25:10,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:25:10,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:25:10,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:25:10,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:25:10,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:25:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:25:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:25:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:25:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:25:11,538 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:25:11,540 INFO L287 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-28 17:25:11,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:11 BoogieIcfgContainer [2019-11-28 17:25:11,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:25:11,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:25:11,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:25:11,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:25:11,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:25:09" (1/3) ... [2019-11-28 17:25:11,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb928b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:11, skipping insertion in model container [2019-11-28 17:25:11,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:10" (2/3) ... [2019-11-28 17:25:11,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb928b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:11, skipping insertion in model container [2019-11-28 17:25:11,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:11" (3/3) ... [2019-11-28 17:25:11,555 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2019-11-28 17:25:11,565 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:25:11,574 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:25:11,586 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:25:11,612 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:25:11,612 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:25:11,612 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:25:11,612 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:25:11,613 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:25:11,613 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:25:11,613 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:25:11,613 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:25:11,634 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-11-28 17:25:11,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 17:25:11,641 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:11,642 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:11,643 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:11,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:11,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1255950434, now seen corresponding path program 1 times [2019-11-28 17:25:11,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:11,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091948538] [2019-11-28 17:25:11,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:11,941 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091948538] [2019-11-28 17:25:11,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:11,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:11,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626090384] [2019-11-28 17:25:11,950 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:25:11,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:11,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:25:11,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:11,962 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-11-28 17:25:11,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:11,996 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2019-11-28 17:25:11,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:25:11,998 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 17:25:11,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:12,011 INFO L225 Difference]: With dead ends: 227 [2019-11-28 17:25:12,011 INFO L226 Difference]: Without dead ends: 113 [2019-11-28 17:25:12,015 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:12,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-28 17:25:12,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-28 17:25:12,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-28 17:25:12,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2019-11-28 17:25:12,062 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2019-11-28 17:25:12,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:12,062 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2019-11-28 17:25:12,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:25:12,063 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2019-11-28 17:25:12,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:25:12,064 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:12,065 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:12,065 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:12,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:12,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1139511005, now seen corresponding path program 1 times [2019-11-28 17:25:12,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:12,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711646563] [2019-11-28 17:25:12,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:12,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:12,178 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711646563] [2019-11-28 17:25:12,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:12,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:12,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639995792] [2019-11-28 17:25:12,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:12,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:12,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:12,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:12,182 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 3 states. [2019-11-28 17:25:12,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:12,196 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2019-11-28 17:25:12,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:12,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 17:25:12,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:12,198 INFO L225 Difference]: With dead ends: 113 [2019-11-28 17:25:12,198 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 17:25:12,200 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 17:25:12,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 17:25:12,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-28 17:25:12,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-28 17:25:12,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-11-28 17:25:12,206 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-11-28 17:25:12,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:12,207 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-11-28 17:25:12,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:12,207 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-11-28 17:25:12,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:25:12,208 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:12,209 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:12,209 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:12,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:12,209 INFO L82 PathProgramCache]: Analyzing trace with hash 2074006335, now seen corresponding path program 1 times [2019-11-28 17:25:12,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:12,210 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035585881] [2019-11-28 17:25:12,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:12,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:12,365 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035585881] [2019-11-28 17:25:12,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:12,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:12,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429174114] [2019-11-28 17:25:12,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:12,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:12,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:12,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:12,369 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2019-11-28 17:25:12,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:12,410 INFO L93 Difference]: Finished difference Result 133 states and 199 transitions. [2019-11-28 17:25:12,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:12,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 17:25:12,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:12,412 INFO L225 Difference]: With dead ends: 133 [2019-11-28 17:25:12,412 INFO L226 Difference]: Without dead ends: 91 [2019-11-28 17:25:12,415 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:12,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-28 17:25:12,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2019-11-28 17:25:12,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-11-28 17:25:12,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2019-11-28 17:25:12,440 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 24 [2019-11-28 17:25:12,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:12,444 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2019-11-28 17:25:12,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:12,444 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2019-11-28 17:25:12,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:25:12,446 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:12,446 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:12,446 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:12,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:12,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1559751670, now seen corresponding path program 1 times [2019-11-28 17:25:12,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:12,449 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93167099] [2019-11-28 17:25:12,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:12,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:12,527 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93167099] [2019-11-28 17:25:12,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:12,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:12,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971569899] [2019-11-28 17:25:12,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:12,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:12,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:12,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:12,530 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand 3 states. [2019-11-28 17:25:12,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:12,596 INFO L93 Difference]: Finished difference Result 210 states and 319 transitions. [2019-11-28 17:25:12,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:12,597 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 17:25:12,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:12,598 INFO L225 Difference]: With dead ends: 210 [2019-11-28 17:25:12,598 INFO L226 Difference]: Without dead ends: 130 [2019-11-28 17:25:12,599 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:12,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-11-28 17:25:12,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2019-11-28 17:25:12,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-28 17:25:12,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 188 transitions. [2019-11-28 17:25:12,620 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 188 transitions. Word has length 26 [2019-11-28 17:25:12,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:12,620 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 188 transitions. [2019-11-28 17:25:12,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 188 transitions. [2019-11-28 17:25:12,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 17:25:12,621 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:12,622 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:12,622 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:12,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:12,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1899452984, now seen corresponding path program 1 times [2019-11-28 17:25:12,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:12,623 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055528981] [2019-11-28 17:25:12,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:12,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:12,696 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055528981] [2019-11-28 17:25:12,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:12,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:12,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623148840] [2019-11-28 17:25:12,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:12,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:12,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:12,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:12,698 INFO L87 Difference]: Start difference. First operand 128 states and 188 transitions. Second operand 5 states. [2019-11-28 17:25:12,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:12,838 INFO L93 Difference]: Finished difference Result 628 states and 933 transitions. [2019-11-28 17:25:12,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:25:12,839 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-28 17:25:12,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:12,844 INFO L225 Difference]: With dead ends: 628 [2019-11-28 17:25:12,846 INFO L226 Difference]: Without dead ends: 507 [2019-11-28 17:25:12,850 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:25:12,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2019-11-28 17:25:12,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 235. [2019-11-28 17:25:12,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2019-11-28 17:25:12,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 340 transitions. [2019-11-28 17:25:12,907 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 340 transitions. Word has length 27 [2019-11-28 17:25:12,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:12,907 INFO L462 AbstractCegarLoop]: Abstraction has 235 states and 340 transitions. [2019-11-28 17:25:12,908 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:12,908 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 340 transitions. [2019-11-28 17:25:12,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 17:25:12,915 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:12,915 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 17:25:12,916 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:12,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:12,916 INFO L82 PathProgramCache]: Analyzing trace with hash 961369152, now seen corresponding path program 1 times [2019-11-28 17:25:12,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:12,917 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224018570] [2019-11-28 17:25:12,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:13,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:13,039 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224018570] [2019-11-28 17:25:13,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:13,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:13,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181890682] [2019-11-28 17:25:13,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:13,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:13,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:13,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:13,043 INFO L87 Difference]: Start difference. First operand 235 states and 340 transitions. Second operand 5 states. [2019-11-28 17:25:13,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:13,223 INFO L93 Difference]: Finished difference Result 889 states and 1291 transitions. [2019-11-28 17:25:13,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:25:13,224 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-11-28 17:25:13,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:13,229 INFO L225 Difference]: With dead ends: 889 [2019-11-28 17:25:13,229 INFO L226 Difference]: Without dead ends: 661 [2019-11-28 17:25:13,231 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:25:13,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2019-11-28 17:25:13,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 233. [2019-11-28 17:25:13,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-11-28 17:25:13,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 334 transitions. [2019-11-28 17:25:13,266 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 334 transitions. Word has length 28 [2019-11-28 17:25:13,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:13,267 INFO L462 AbstractCegarLoop]: Abstraction has 233 states and 334 transitions. [2019-11-28 17:25:13,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:13,267 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 334 transitions. [2019-11-28 17:25:13,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:25:13,273 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:13,276 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:13,277 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:13,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:13,278 INFO L82 PathProgramCache]: Analyzing trace with hash 2078564813, now seen corresponding path program 1 times [2019-11-28 17:25:13,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:13,280 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025392813] [2019-11-28 17:25:13,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:13,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:13,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025392813] [2019-11-28 17:25:13,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:13,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:13,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990384726] [2019-11-28 17:25:13,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:13,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:13,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:13,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:13,356 INFO L87 Difference]: Start difference. First operand 233 states and 334 transitions. Second operand 5 states. [2019-11-28 17:25:13,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:13,460 INFO L93 Difference]: Finished difference Result 639 states and 901 transitions. [2019-11-28 17:25:13,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:25:13,460 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 17:25:13,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:13,464 INFO L225 Difference]: With dead ends: 639 [2019-11-28 17:25:13,465 INFO L226 Difference]: Without dead ends: 413 [2019-11-28 17:25:13,466 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:25:13,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-11-28 17:25:13,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 257. [2019-11-28 17:25:13,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2019-11-28 17:25:13,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 358 transitions. [2019-11-28 17:25:13,489 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 358 transitions. Word has length 33 [2019-11-28 17:25:13,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:13,490 INFO L462 AbstractCegarLoop]: Abstraction has 257 states and 358 transitions. [2019-11-28 17:25:13,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:13,490 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 358 transitions. [2019-11-28 17:25:13,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:25:13,491 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:13,491 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:13,491 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:13,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:13,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1515337905, now seen corresponding path program 1 times [2019-11-28 17:25:13,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:13,492 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618157546] [2019-11-28 17:25:13,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:13,546 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618157546] [2019-11-28 17:25:13,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:13,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:13,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414652250] [2019-11-28 17:25:13,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:25:13,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:13,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:25:13,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:25:13,549 INFO L87 Difference]: Start difference. First operand 257 states and 358 transitions. Second operand 4 states. [2019-11-28 17:25:13,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:13,618 INFO L93 Difference]: Finished difference Result 627 states and 863 transitions. [2019-11-28 17:25:13,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:25:13,619 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-28 17:25:13,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:13,622 INFO L225 Difference]: With dead ends: 627 [2019-11-28 17:25:13,623 INFO L226 Difference]: Without dead ends: 377 [2019-11-28 17:25:13,623 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:13,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-11-28 17:25:13,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 273. [2019-11-28 17:25:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2019-11-28 17:25:13,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 374 transitions. [2019-11-28 17:25:13,650 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 374 transitions. Word has length 33 [2019-11-28 17:25:13,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:13,650 INFO L462 AbstractCegarLoop]: Abstraction has 273 states and 374 transitions. [2019-11-28 17:25:13,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:25:13,651 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 374 transitions. [2019-11-28 17:25:13,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:25:13,652 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:13,652 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:13,652 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:13,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:13,653 INFO L82 PathProgramCache]: Analyzing trace with hash -2102143919, now seen corresponding path program 1 times [2019-11-28 17:25:13,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:13,654 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685159393] [2019-11-28 17:25:13,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:13,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:13,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685159393] [2019-11-28 17:25:13,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:13,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:13,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785959796] [2019-11-28 17:25:13,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:13,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:13,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:13,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:13,705 INFO L87 Difference]: Start difference. First operand 273 states and 374 transitions. Second operand 3 states. [2019-11-28 17:25:13,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:13,753 INFO L93 Difference]: Finished difference Result 643 states and 875 transitions. [2019-11-28 17:25:13,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:13,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-28 17:25:13,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:13,757 INFO L225 Difference]: With dead ends: 643 [2019-11-28 17:25:13,757 INFO L226 Difference]: Without dead ends: 377 [2019-11-28 17:25:13,758 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:13,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-11-28 17:25:13,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2019-11-28 17:25:13,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2019-11-28 17:25:13,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 500 transitions. [2019-11-28 17:25:13,817 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 500 transitions. Word has length 33 [2019-11-28 17:25:13,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:13,817 INFO L462 AbstractCegarLoop]: Abstraction has 377 states and 500 transitions. [2019-11-28 17:25:13,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:13,818 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 500 transitions. [2019-11-28 17:25:13,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:25:13,820 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:13,820 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:13,821 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:13,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:13,821 INFO L82 PathProgramCache]: Analyzing trace with hash -207511791, now seen corresponding path program 1 times [2019-11-28 17:25:13,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:13,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466057042] [2019-11-28 17:25:13,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:13,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:13,885 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466057042] [2019-11-28 17:25:13,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:13,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:13,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114163664] [2019-11-28 17:25:13,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:13,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:13,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:13,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:13,887 INFO L87 Difference]: Start difference. First operand 377 states and 500 transitions. Second operand 3 states. [2019-11-28 17:25:13,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:13,947 INFO L93 Difference]: Finished difference Result 579 states and 775 transitions. [2019-11-28 17:25:13,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:13,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-28 17:25:13,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:13,951 INFO L225 Difference]: With dead ends: 579 [2019-11-28 17:25:13,951 INFO L226 Difference]: Without dead ends: 577 [2019-11-28 17:25:13,952 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:13,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-11-28 17:25:13,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 460. [2019-11-28 17:25:13,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2019-11-28 17:25:13,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 624 transitions. [2019-11-28 17:25:13,986 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 624 transitions. Word has length 34 [2019-11-28 17:25:13,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:13,987 INFO L462 AbstractCegarLoop]: Abstraction has 460 states and 624 transitions. [2019-11-28 17:25:13,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:13,987 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 624 transitions. [2019-11-28 17:25:13,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-28 17:25:13,988 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:13,989 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:13,989 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:13,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:13,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1115593900, now seen corresponding path program 1 times [2019-11-28 17:25:13,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:13,990 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361699880] [2019-11-28 17:25:13,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:14,028 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 17:25:14,028 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361699880] [2019-11-28 17:25:14,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:14,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:14,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034993318] [2019-11-28 17:25:14,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:14,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:14,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:14,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:14,030 INFO L87 Difference]: Start difference. First operand 460 states and 624 transitions. Second operand 3 states. [2019-11-28 17:25:14,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:14,084 INFO L93 Difference]: Finished difference Result 552 states and 745 transitions. [2019-11-28 17:25:14,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:14,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-11-28 17:25:14,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:14,087 INFO L225 Difference]: With dead ends: 552 [2019-11-28 17:25:14,087 INFO L226 Difference]: Without dead ends: 228 [2019-11-28 17:25:14,088 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:14,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-11-28 17:25:14,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2019-11-28 17:25:14,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-11-28 17:25:14,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2019-11-28 17:25:14,104 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 54 [2019-11-28 17:25:14,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:14,104 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2019-11-28 17:25:14,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:14,105 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2019-11-28 17:25:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-28 17:25:14,106 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:14,106 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:14,107 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:14,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:14,107 INFO L82 PathProgramCache]: Analyzing trace with hash -540947520, now seen corresponding path program 1 times [2019-11-28 17:25:14,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:14,108 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601848147] [2019-11-28 17:25:14,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:14,193 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 17:25:14,193 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601848147] [2019-11-28 17:25:14,194 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530284409] [2019-11-28 17:25:14,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:14,330 INFO L264 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 17:25:14,338 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:25:14,415 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-28 17:25:14,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 17:25:14,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2019-11-28 17:25:14,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153882409] [2019-11-28 17:25:14,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:14,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:14,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:14,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-11-28 17:25:14,419 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 6 states. [2019-11-28 17:25:14,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:14,630 INFO L93 Difference]: Finished difference Result 720 states and 937 transitions. [2019-11-28 17:25:14,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 17:25:14,630 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-11-28 17:25:14,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:14,634 INFO L225 Difference]: With dead ends: 720 [2019-11-28 17:25:14,634 INFO L226 Difference]: Without dead ends: 499 [2019-11-28 17:25:14,635 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2019-11-28 17:25:14,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2019-11-28 17:25:14,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 205. [2019-11-28 17:25:14,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2019-11-28 17:25:14,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 260 transitions. [2019-11-28 17:25:14,668 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 260 transitions. Word has length 56 [2019-11-28 17:25:14,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:14,670 INFO L462 AbstractCegarLoop]: Abstraction has 205 states and 260 transitions. [2019-11-28 17:25:14,670 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:14,670 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 260 transitions. [2019-11-28 17:25:14,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 17:25:14,671 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:14,671 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:14,878 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:14,878 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:14,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:14,879 INFO L82 PathProgramCache]: Analyzing trace with hash -2106888905, now seen corresponding path program 1 times [2019-11-28 17:25:14,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:14,880 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903432328] [2019-11-28 17:25:14,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:14,940 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:14,940 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903432328] [2019-11-28 17:25:14,940 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327480572] [2019-11-28 17:25:14,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:15,069 INFO L264 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 17:25:15,072 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:25:15,084 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:15,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 17:25:15,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-28 17:25:15,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973583756] [2019-11-28 17:25:15,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:15,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:15,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:15,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:15,086 INFO L87 Difference]: Start difference. First operand 205 states and 260 transitions. Second operand 3 states. [2019-11-28 17:25:15,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:15,147 INFO L93 Difference]: Finished difference Result 325 states and 420 transitions. [2019-11-28 17:25:15,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:15,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-28 17:25:15,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:15,148 INFO L225 Difference]: With dead ends: 325 [2019-11-28 17:25:15,148 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:25:15,149 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:15,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:25:15,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:25:15,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:25:15,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:25:15,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-28 17:25:15,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:15,151 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:25:15,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:15,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:25:15,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:25:15,352 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:15,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:25:15,486 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 58 [2019-11-28 17:25:15,815 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2019-11-28 17:25:16,007 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 82 [2019-11-28 17:25:16,313 WARN L192 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 98 [2019-11-28 17:25:16,595 WARN L192 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 100 [2019-11-28 17:25:16,856 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 115 [2019-11-28 17:25:16,985 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 109 [2019-11-28 17:25:17,229 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 20 [2019-11-28 17:25:17,674 WARN L192 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 31 [2019-11-28 17:25:17,997 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 22 [2019-11-28 17:25:18,478 WARN L192 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 31 [2019-11-28 17:25:18,891 WARN L192 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 30 [2019-11-28 17:25:19,326 WARN L192 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2019-11-28 17:25:19,922 WARN L192 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 26 [2019-11-28 17:25:20,375 WARN L192 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 30 [2019-11-28 17:25:20,666 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2019-11-28 17:25:20,725 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2019-11-28 17:25:20,726 INFO L242 CegarLoopResult]: At program point L135(lines 126 139) the Hoare annotation is: false [2019-11-28 17:25:20,726 INFO L242 CegarLoopResult]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 .cse1 (= 0 ~methAndRunningLastTime~0) .cse2))) [2019-11-28 17:25:20,726 INFO L242 CegarLoopResult]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-11-28 17:25:20,726 INFO L242 CegarLoopResult]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2019-11-28 17:25:20,726 INFO L242 CegarLoopResult]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2019-11-28 17:25:20,726 INFO L242 CegarLoopResult]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2019-11-28 17:25:20,726 INFO L246 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2019-11-28 17:25:20,726 INFO L246 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2019-11-28 17:25:20,727 INFO L246 CegarLoopResult]: For program point L532-3(lines 532 536) no Hoare annotation was computed. [2019-11-28 17:25:20,727 INFO L246 CegarLoopResult]: For program point L532-5(lines 532 536) no Hoare annotation was computed. [2019-11-28 17:25:20,727 INFO L246 CegarLoopResult]: For program point L532-6(lines 532 536) no Hoare annotation was computed. [2019-11-28 17:25:20,727 INFO L246 CegarLoopResult]: For program point L268(lines 268 278) no Hoare annotation was computed. [2019-11-28 17:25:20,727 INFO L246 CegarLoopResult]: For program point L532-8(lines 532 536) no Hoare annotation was computed. [2019-11-28 17:25:20,727 INFO L246 CegarLoopResult]: For program point L532-9(lines 532 536) no Hoare annotation was computed. [2019-11-28 17:25:20,727 INFO L242 CegarLoopResult]: At program point L202(lines 198 204) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:20,727 INFO L246 CegarLoopResult]: For program point L268-2(lines 268 278) no Hoare annotation was computed. [2019-11-28 17:25:20,727 INFO L246 CegarLoopResult]: For program point L532-11(lines 532 536) no Hoare annotation was computed. [2019-11-28 17:25:20,727 INFO L246 CegarLoopResult]: For program point L532-12(lines 532 536) no Hoare annotation was computed. [2019-11-28 17:25:20,727 INFO L246 CegarLoopResult]: For program point L268-4(lines 268 278) no Hoare annotation was computed. [2019-11-28 17:25:20,727 INFO L246 CegarLoopResult]: For program point L532-14(lines 532 536) no Hoare annotation was computed. [2019-11-28 17:25:20,727 INFO L246 CegarLoopResult]: For program point L532-15(lines 532 536) no Hoare annotation was computed. [2019-11-28 17:25:20,728 INFO L246 CegarLoopResult]: For program point L532-17(lines 532 536) no Hoare annotation was computed. [2019-11-28 17:25:20,728 INFO L246 CegarLoopResult]: For program point L434(lines 434 442) no Hoare annotation was computed. [2019-11-28 17:25:20,728 INFO L246 CegarLoopResult]: For program point L434-1(lines 434 442) no Hoare annotation was computed. [2019-11-28 17:25:20,728 INFO L246 CegarLoopResult]: For program point L434-2(lines 434 442) no Hoare annotation was computed. [2019-11-28 17:25:20,729 INFO L246 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2019-11-28 17:25:20,729 INFO L246 CegarLoopResult]: For program point L269-2(lines 269 275) no Hoare annotation was computed. [2019-11-28 17:25:20,729 INFO L246 CegarLoopResult]: For program point L269-4(lines 269 275) no Hoare annotation was computed. [2019-11-28 17:25:20,729 INFO L246 CegarLoopResult]: For program point L336(lines 336 349) no Hoare annotation was computed. [2019-11-28 17:25:20,729 INFO L246 CegarLoopResult]: For program point L404(lines 404 421) no Hoare annotation was computed. [2019-11-28 17:25:20,729 INFO L246 CegarLoopResult]: For program point L404-1(lines 404 421) no Hoare annotation was computed. [2019-11-28 17:25:20,729 INFO L246 CegarLoopResult]: For program point L404-2(lines 404 421) no Hoare annotation was computed. [2019-11-28 17:25:20,729 INFO L246 CegarLoopResult]: For program point L404-3(lines 404 421) no Hoare annotation was computed. [2019-11-28 17:25:20,730 INFO L246 CegarLoopResult]: For program point L404-4(lines 404 421) no Hoare annotation was computed. [2019-11-28 17:25:20,730 INFO L246 CegarLoopResult]: For program point L404-5(lines 404 421) no Hoare annotation was computed. [2019-11-28 17:25:20,730 INFO L242 CegarLoopResult]: At program point L372(lines 371 390) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse2 .cse3 .cse0 .cse1) (and .cse2 .cse4 .cse3 .cse1) (and .cse2 .cse5 .cse0 .cse1 .cse6) (and .cse2 .cse4 .cse5 .cse1 .cse6) (and .cse2 .cse4 .cse5 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-11-28 17:25:20,730 INFO L246 CegarLoopResult]: For program point L372-1(lines 372 378) no Hoare annotation was computed. [2019-11-28 17:25:20,730 INFO L242 CegarLoopResult]: At program point L372-2(lines 371 390) the Hoare annotation is: false [2019-11-28 17:25:20,731 INFO L242 CegarLoopResult]: At program point L372-3(lines 371 390) the Hoare annotation is: false [2019-11-28 17:25:20,731 INFO L249 CegarLoopResult]: At program point L240(lines 221 243) the Hoare annotation is: true [2019-11-28 17:25:20,731 INFO L242 CegarLoopResult]: At program point L538(lines 523 541) the Hoare annotation is: false [2019-11-28 17:25:20,731 INFO L242 CegarLoopResult]: At program point L538-1(lines 523 541) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse3 .cse1 .cse2) (and .cse0 .cse3 .cse1 (= 0 ~methAndRunningLastTime~0) .cse2))) [2019-11-28 17:25:20,731 INFO L242 CegarLoopResult]: At program point L538-2(lines 523 541) the Hoare annotation is: false [2019-11-28 17:25:20,732 INFO L242 CegarLoopResult]: At program point L538-3(lines 523 541) the Hoare annotation is: false [2019-11-28 17:25:20,732 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2019-11-28 17:25:20,732 INFO L242 CegarLoopResult]: At program point L538-4(lines 523 541) the Hoare annotation is: false [2019-11-28 17:25:20,732 INFO L242 CegarLoopResult]: At program point L538-5(lines 523 541) the Hoare annotation is: false [2019-11-28 17:25:20,732 INFO L246 CegarLoopResult]: For program point L307(lines 306 353) no Hoare annotation was computed. [2019-11-28 17:25:20,733 INFO L246 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-11-28 17:25:20,733 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-11-28 17:25:20,733 INFO L242 CegarLoopResult]: At program point L474(lines 467 477) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2))) [2019-11-28 17:25:20,733 INFO L242 CegarLoopResult]: At program point L474-1(lines 467 477) the Hoare annotation is: false [2019-11-28 17:25:20,733 INFO L246 CegarLoopResult]: For program point L408(lines 408 416) no Hoare annotation was computed. [2019-11-28 17:25:20,733 INFO L242 CegarLoopResult]: At program point L474-2(lines 467 477) the Hoare annotation is: false [2019-11-28 17:25:20,733 INFO L246 CegarLoopResult]: For program point L408-1(lines 408 416) no Hoare annotation was computed. [2019-11-28 17:25:20,733 INFO L246 CegarLoopResult]: For program point L342(lines 342 348) no Hoare annotation was computed. [2019-11-28 17:25:20,734 INFO L246 CegarLoopResult]: For program point L408-2(lines 408 416) no Hoare annotation was computed. [2019-11-28 17:25:20,734 INFO L242 CegarLoopResult]: At program point L342-1(lines 372 378) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse2 .cse3 .cse0 .cse1 .cse4) (and .cse2 .cse5 .cse3 .cse1) (and .cse2 .cse6 .cse0 .cse1 .cse4) (and .cse2 .cse5 .cse6 .cse1 .cse4) (and .cse2 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-11-28 17:25:20,734 INFO L246 CegarLoopResult]: For program point L408-3(lines 408 416) no Hoare annotation was computed. [2019-11-28 17:25:20,734 INFO L246 CegarLoopResult]: For program point L408-4(lines 408 416) no Hoare annotation was computed. [2019-11-28 17:25:20,734 INFO L246 CegarLoopResult]: For program point L408-5(lines 408 416) no Hoare annotation was computed. [2019-11-28 17:25:20,734 INFO L242 CegarLoopResult]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse2 .cse3 .cse0 .cse1) (and .cse2 .cse4 .cse0 .cse1) (and .cse2 .cse5 .cse4 .cse1) (and .cse2 .cse5 .cse3 .cse1 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 17:25:20,734 INFO L242 CegarLoopResult]: At program point L379-1(lines 379 385) the Hoare annotation is: false [2019-11-28 17:25:20,735 INFO L242 CegarLoopResult]: At program point L379-2(lines 379 385) the Hoare annotation is: false [2019-11-28 17:25:20,735 INFO L246 CegarLoopResult]: For program point L546(lines 546 552) no Hoare annotation was computed. [2019-11-28 17:25:20,735 INFO L242 CegarLoopResult]: At program point L546-1(lines 546 552) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:25:20,735 INFO L242 CegarLoopResult]: At program point L580(lines 1 957) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:20,735 INFO L246 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2019-11-28 17:25:20,735 INFO L242 CegarLoopResult]: At program point L316-1(lines 316 322) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse5 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse6 .cse7 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse7 .cse3))) [2019-11-28 17:25:20,735 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:25:20,736 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-11-28 17:25:20,736 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-11-28 17:25:20,736 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-11-28 17:25:20,736 INFO L242 CegarLoopResult]: At program point L483(lines 478 486) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse4 .cse5 (= 0 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0) .cse2 .cse3 .cse5 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 17:25:20,736 INFO L242 CegarLoopResult]: At program point L483-1(lines 478 486) the Hoare annotation is: false [2019-11-28 17:25:20,737 INFO L242 CegarLoopResult]: At program point L483-2(lines 478 486) the Hoare annotation is: false [2019-11-28 17:25:20,737 INFO L242 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: false [2019-11-28 17:25:20,737 INFO L242 CegarLoopResult]: At program point L253(lines 248 255) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:20,737 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-28 17:25:20,737 INFO L242 CegarLoopResult]: At program point L354(lines 305 355) the Hoare annotation is: false [2019-11-28 17:25:20,738 INFO L242 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2))) [2019-11-28 17:25:20,738 INFO L242 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse2 .cse3 .cse4 .cse0 .cse1) (and .cse2 .cse5 .cse3 .cse4 .cse1) (and .cse2 .cse6 .cse7 .cse0 .cse1) (and .cse2 .cse5 .cse6 .cse7 .cse1 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 17:25:20,738 INFO L242 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2019-11-28 17:25:20,738 INFO L242 CegarLoopResult]: At program point L90-3(lines 85 93) the Hoare annotation is: false [2019-11-28 17:25:20,738 INFO L242 CegarLoopResult]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2019-11-28 17:25:20,739 INFO L242 CegarLoopResult]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2019-11-28 17:25:20,739 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:25:20,739 INFO L246 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2019-11-28 17:25:20,739 INFO L246 CegarLoopResult]: For program point L157-1(lines 372 378) no Hoare annotation was computed. [2019-11-28 17:25:20,739 INFO L246 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2019-11-28 17:25:20,739 INFO L246 CegarLoopResult]: For program point L290-1(line 290) no Hoare annotation was computed. [2019-11-28 17:25:20,740 INFO L246 CegarLoopResult]: For program point L290-2(line 290) no Hoare annotation was computed. [2019-11-28 17:25:20,740 INFO L242 CegarLoopResult]: At program point L588(lines 583 591) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:20,740 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:25:20,740 INFO L246 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2019-11-28 17:25:20,740 INFO L242 CegarLoopResult]: At program point L326-1(lines 326 332) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3) (and .cse2 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3))) [2019-11-28 17:25:20,741 INFO L246 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:25:20,741 INFO L246 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:25:20,741 INFO L246 CegarLoopResult]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:25:20,741 INFO L246 CegarLoopResult]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:25:20,741 INFO L246 CegarLoopResult]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:25:20,741 INFO L246 CegarLoopResult]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:25:20,742 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-28 17:25:20,742 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:25:20,742 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2019-11-28 17:25:20,742 INFO L246 CegarLoopResult]: For program point L264(lines 264 281) no Hoare annotation was computed. [2019-11-28 17:25:20,742 INFO L246 CegarLoopResult]: For program point L231(lines 231 238) no Hoare annotation was computed. [2019-11-28 17:25:20,743 INFO L242 CegarLoopResult]: At program point L264-1(lines 1 957) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse5 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse6 .cse7 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse7 .cse3))) [2019-11-28 17:25:20,743 INFO L246 CegarLoopResult]: For program point L264-2(lines 264 281) no Hoare annotation was computed. [2019-11-28 17:25:20,743 INFO L249 CegarLoopResult]: At program point L231-1(lines 231 238) the Hoare annotation is: true [2019-11-28 17:25:20,743 INFO L242 CegarLoopResult]: At program point L264-3(lines 1 957) the Hoare annotation is: false [2019-11-28 17:25:20,743 INFO L246 CegarLoopResult]: For program point L264-4(lines 264 281) no Hoare annotation was computed. [2019-11-28 17:25:20,744 INFO L242 CegarLoopResult]: At program point L264-5(lines 1 957) the Hoare annotation is: false [2019-11-28 17:25:20,744 INFO L246 CegarLoopResult]: For program point L430(lines 430 447) no Hoare annotation was computed. [2019-11-28 17:25:20,744 INFO L246 CegarLoopResult]: For program point L430-1(lines 430 447) no Hoare annotation was computed. [2019-11-28 17:25:20,744 INFO L246 CegarLoopResult]: For program point L430-2(lines 430 447) no Hoare annotation was computed. [2019-11-28 17:25:20,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:25:20 BoogieIcfgContainer [2019-11-28 17:25:20,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:25:20,776 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:25:20,776 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:25:20,776 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:25:20,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:11" (3/4) ... [2019-11-28 17:25:20,780 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:25:20,798 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:25:20,800 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:25:20,801 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:25:20,802 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:25:20,803 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:25:20,803 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:20,804 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:20,835 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && 1 == systemActive) && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 17:25:20,836 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && 1 == systemActive) && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 17:25:20,836 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 17:25:20,837 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 17:25:20,837 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) [2019-11-28 17:25:20,838 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:20,839 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-11-28 17:25:20,840 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-11-28 17:25:20,840 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == systemActive) && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-11-28 17:25:20,841 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && \result == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:20,842 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-11-28 17:25:20,941 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:25:20,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:25:20,943 INFO L168 Benchmark]: Toolchain (without parser) took 11230.97 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 343.4 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -99.5 MB). Peak memory consumption was 244.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:20,943 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:25:20,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:20,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.72 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:20,944 INFO L168 Benchmark]: Boogie Preprocessor took 47.20 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:20,945 INFO L168 Benchmark]: RCFGBuilder took 1052.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:20,945 INFO L168 Benchmark]: TraceAbstraction took 9230.70 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 200.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -24.0 MB). Peak memory consumption was 402.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:20,946 INFO L168 Benchmark]: Witness Printer took 165.86 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:20,947 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 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 648.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.72 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.20 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1052.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9230.70 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 200.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -24.0 MB). Peak memory consumption was 402.5 MB. Max. memory is 11.5 GB. * Witness Printer took 165.86 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 290]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 290]: 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: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == systemActive) && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && 1 == systemActive) && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: 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: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && \result == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && 1 == systemActive) && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 3.7s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, HoareTripleCheckerStatistics: 1243 SDtfs, 1179 SDslu, 1793 SDs, 0 SdLazy, 230 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=460occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1377 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 154 NumberOfFragments, 897 HoareAnnotationTreeSize, 45 FomulaSimplifications, 139802 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 45 FomulaSimplificationsInter, 28720 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 47208 SizeOfPredicates, 7 NumberOfNonLiveVariables, 836 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 79/98 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...