./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.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_spec3_product37.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 288d25dbf636d510765b70dd57b8dfe428e9c588 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:43:17,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:43:17,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:43:17,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:43:17,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:43:17,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:43:17,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:43:17,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:43:17,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:43:17,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:43:17,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:43:17,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:43:17,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:43:17,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:43:17,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:43:17,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:43:17,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:43:17,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:43:17,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:43:17,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:43:17,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:43:17,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:43:17,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:43:17,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:43:17,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:43:17,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:43:17,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:43:17,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:43:17,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:43:17,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:43:17,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:43:17,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:43:17,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:43:17,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:43:17,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:43:17,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:43:17,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:43:17,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:43:17,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:43:17,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:43:17,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:43:17,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:43:17,410 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:43:17,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:43:17,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:43:17,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:43:17,412 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:43:17,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:43:17,413 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:43:17,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:43:17,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:43:17,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:43:17,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:43:17,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:43:17,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:43:17,416 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:43:17,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:43:17,416 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:43:17,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:43:17,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:43:17,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:43:17,418 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:43:17,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:43:17,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:43:17,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:43:17,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:43:17,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:43:17,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:43:17,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:43:17,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:43:17,420 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:43:17,420 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(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 288d25dbf636d510765b70dd57b8dfe428e9c588 [2020-10-20 01:43:17,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:43:17,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:43:17,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:43:17,706 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:43:17,709 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:43:17,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2020-10-20 01:43:17,779 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7a4f35cd/2e7abaa658d84ad3bc8f44ad2cc1072e/FLAG90ad0a2da [2020-10-20 01:43:18,210 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:43:18,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2020-10-20 01:43:18,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7a4f35cd/2e7abaa658d84ad3bc8f44ad2cc1072e/FLAG90ad0a2da [2020-10-20 01:43:18,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7a4f35cd/2e7abaa658d84ad3bc8f44ad2cc1072e [2020-10-20 01:43:18,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:43:18,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:43:18,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:18,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:43:18,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:43:18,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:18" (1/1) ... [2020-10-20 01:43:18,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7afa81d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:18, skipping insertion in model container [2020-10-20 01:43:18,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:18" (1/1) ... [2020-10-20 01:43:18,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:43:18,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:43:18,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:18,972 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:43:19,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:19,141 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:43:19,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:19 WrapperNode [2020-10-20 01:43:19,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:19,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:19,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:43:19,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:43:19,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:19" (1/1) ... [2020-10-20 01:43:19,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:19" (1/1) ... [2020-10-20 01:43:19,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:19,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:43:19,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:43:19,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:43:19,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:19" (1/1) ... [2020-10-20 01:43:19,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:19" (1/1) ... [2020-10-20 01:43:19,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:19" (1/1) ... [2020-10-20 01:43:19,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:19" (1/1) ... [2020-10-20 01:43:19,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:19" (1/1) ... [2020-10-20 01:43:19,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:19" (1/1) ... [2020-10-20 01:43:19,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:19" (1/1) ... [2020-10-20 01:43:19,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:43:19,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:43:19,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:43:19,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:43:19,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:43:19,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:43:19,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:43:19,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:43:19,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:43:20,417 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:43:20,418 INFO L298 CfgBuilder]: Removed 168 assume(true) statements. [2020-10-20 01:43:20,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:20 BoogieIcfgContainer [2020-10-20 01:43:20,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:43:20,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:43:20,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:43:20,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:43:20,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:43:18" (1/3) ... [2020-10-20 01:43:20,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4143a8cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:20, skipping insertion in model container [2020-10-20 01:43:20,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:19" (2/3) ... [2020-10-20 01:43:20,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4143a8cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:20, skipping insertion in model container [2020-10-20 01:43:20,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:20" (3/3) ... [2020-10-20 01:43:20,428 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2020-10-20 01:43:20,440 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:43:20,448 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:43:20,462 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:43:20,489 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:43:20,489 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:43:20,489 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:43:20,490 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:43:20,490 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:43:20,490 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:43:20,490 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:43:20,490 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:43:20,510 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-10-20 01:43:20,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:43:20,518 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:20,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:20,520 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:20,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:20,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1752957569, now seen corresponding path program 1 times [2020-10-20 01:43:20,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:20,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458524997] [2020-10-20 01:43:20,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:20,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:20,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458524997] [2020-10-20 01:43:20,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:20,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:20,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532093770] [2020-10-20 01:43:20,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:43:20,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:20,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:43:20,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:43:20,830 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-10-20 01:43:20,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:20,885 INFO L93 Difference]: Finished difference Result 231 states and 350 transitions. [2020-10-20 01:43:20,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:43:20,887 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:43:20,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:20,900 INFO L225 Difference]: With dead ends: 231 [2020-10-20 01:43:20,900 INFO L226 Difference]: Without dead ends: 113 [2020-10-20 01:43:20,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:43:20,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-20 01:43:20,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-10-20 01:43:20,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-20 01:43:20,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2020-10-20 01:43:20,952 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2020-10-20 01:43:20,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:20,952 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2020-10-20 01:43:20,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:43:20,953 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2020-10-20 01:43:20,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:43:20,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:20,955 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:20,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:43:20,955 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:20,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:20,956 INFO L82 PathProgramCache]: Analyzing trace with hash 841926816, now seen corresponding path program 1 times [2020-10-20 01:43:20,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:20,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003148503] [2020-10-20 01:43:20,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:21,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:21,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003148503] [2020-10-20 01:43:21,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:21,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:43:21,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989899546] [2020-10-20 01:43:21,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:21,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:21,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:21,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:21,068 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2020-10-20 01:43:21,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:21,083 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-10-20 01:43:21,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:21,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:43:21,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:21,085 INFO L225 Difference]: With dead ends: 113 [2020-10-20 01:43:21,085 INFO L226 Difference]: Without dead ends: 47 [2020-10-20 01:43:21,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:21,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-20 01:43:21,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-10-20 01:43:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-20 01:43:21,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-10-20 01:43:21,094 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2020-10-20 01:43:21,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:21,095 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-10-20 01:43:21,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:21,095 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-10-20 01:43:21,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:43:21,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:21,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:21,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:43:21,098 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:21,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:21,098 INFO L82 PathProgramCache]: Analyzing trace with hash -524110554, now seen corresponding path program 1 times [2020-10-20 01:43:21,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:21,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794364520] [2020-10-20 01:43:21,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:21,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:21,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794364520] [2020-10-20 01:43:21,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:21,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:21,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254645841] [2020-10-20 01:43:21,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:21,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:21,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:21,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:21,251 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2020-10-20 01:43:21,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:21,261 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2020-10-20 01:43:21,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:21,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:43:21,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:21,263 INFO L225 Difference]: With dead ends: 88 [2020-10-20 01:43:21,263 INFO L226 Difference]: Without dead ends: 47 [2020-10-20 01:43:21,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:21,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-20 01:43:21,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-10-20 01:43:21,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-20 01:43:21,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-10-20 01:43:21,271 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2020-10-20 01:43:21,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:21,271 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-10-20 01:43:21,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:21,272 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-10-20 01:43:21,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:43:21,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:21,273 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:21,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:43:21,274 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:21,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:21,274 INFO L82 PathProgramCache]: Analyzing trace with hash -339602961, now seen corresponding path program 1 times [2020-10-20 01:43:21,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:21,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471070375] [2020-10-20 01:43:21,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:21,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471070375] [2020-10-20 01:43:21,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:21,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:21,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330551982] [2020-10-20 01:43:21,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:21,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:21,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:21,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:21,344 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-10-20 01:43:21,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:21,387 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2020-10-20 01:43:21,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:21,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:43:21,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:21,389 INFO L225 Difference]: With dead ends: 111 [2020-10-20 01:43:21,390 INFO L226 Difference]: Without dead ends: 70 [2020-10-20 01:43:21,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:21,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-20 01:43:21,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2020-10-20 01:43:21,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-20 01:43:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2020-10-20 01:43:21,401 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2020-10-20 01:43:21,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:21,401 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2020-10-20 01:43:21,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:21,402 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2020-10-20 01:43:21,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:43:21,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:21,404 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:21,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:43:21,404 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:21,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:21,405 INFO L82 PathProgramCache]: Analyzing trace with hash 659000928, now seen corresponding path program 1 times [2020-10-20 01:43:21,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:21,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273205717] [2020-10-20 01:43:21,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:21,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273205717] [2020-10-20 01:43:21,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:21,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:43:21,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277205855] [2020-10-20 01:43:21,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:21,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:21,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:21,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:21,532 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand 5 states. [2020-10-20 01:43:21,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:21,624 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2020-10-20 01:43:21,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:43:21,625 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-20 01:43:21,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:21,627 INFO L225 Difference]: With dead ends: 183 [2020-10-20 01:43:21,627 INFO L226 Difference]: Without dead ends: 121 [2020-10-20 01:43:21,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:43:21,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-10-20 01:43:21,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2020-10-20 01:43:21,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-20 01:43:21,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2020-10-20 01:43:21,638 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2020-10-20 01:43:21,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:21,639 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2020-10-20 01:43:21,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:21,639 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-10-20 01:43:21,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:43:21,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:21,640 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:21,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:43:21,641 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:21,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:21,641 INFO L82 PathProgramCache]: Analyzing trace with hash -468395165, now seen corresponding path program 1 times [2020-10-20 01:43:21,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:21,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314341902] [2020-10-20 01:43:21,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:21,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:21,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314341902] [2020-10-20 01:43:21,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:21,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:43:21,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151678763] [2020-10-20 01:43:21,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:21,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:21,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:21,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:21,780 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand 5 states. [2020-10-20 01:43:21,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:21,945 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2020-10-20 01:43:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:43:21,946 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-20 01:43:21,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:21,949 INFO L225 Difference]: With dead ends: 373 [2020-10-20 01:43:21,949 INFO L226 Difference]: Without dead ends: 305 [2020-10-20 01:43:21,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:43:21,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-10-20 01:43:21,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2020-10-20 01:43:21,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-20 01:43:21,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2020-10-20 01:43:21,990 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2020-10-20 01:43:21,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:21,991 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2020-10-20 01:43:21,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:21,991 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2020-10-20 01:43:21,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:43:21,994 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:21,994 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:21,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:43:21,996 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:21,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:21,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1539441695, now seen corresponding path program 1 times [2020-10-20 01:43:21,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:21,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878627596] [2020-10-20 01:43:21,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:22,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:22,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878627596] [2020-10-20 01:43:22,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:22,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:43:22,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586608462] [2020-10-20 01:43:22,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:43:22,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:22,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:43:22,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:43:22,088 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand 4 states. [2020-10-20 01:43:22,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:22,236 INFO L93 Difference]: Finished difference Result 250 states and 345 transitions. [2020-10-20 01:43:22,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:43:22,237 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-10-20 01:43:22,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:22,241 INFO L225 Difference]: With dead ends: 250 [2020-10-20 01:43:22,241 INFO L226 Difference]: Without dead ends: 182 [2020-10-20 01:43:22,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:43:22,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-10-20 01:43:22,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2020-10-20 01:43:22,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-10-20 01:43:22,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2020-10-20 01:43:22,284 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2020-10-20 01:43:22,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:22,284 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2020-10-20 01:43:22,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:43:22,285 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2020-10-20 01:43:22,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:43:22,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:22,288 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:22,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:43:22,289 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:22,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:22,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1744408351, now seen corresponding path program 1 times [2020-10-20 01:43:22,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:22,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520978938] [2020-10-20 01:43:22,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:22,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520978938] [2020-10-20 01:43:22,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:22,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:43:22,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979929486] [2020-10-20 01:43:22,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:43:22,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:22,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:43:22,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:43:22,371 INFO L87 Difference]: Start difference. First operand 179 states and 243 transitions. Second operand 4 states. [2020-10-20 01:43:22,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:22,437 INFO L93 Difference]: Finished difference Result 422 states and 584 transitions. [2020-10-20 01:43:22,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:43:22,438 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-10-20 01:43:22,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:22,441 INFO L225 Difference]: With dead ends: 422 [2020-10-20 01:43:22,441 INFO L226 Difference]: Without dead ends: 295 [2020-10-20 01:43:22,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:22,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-10-20 01:43:22,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2020-10-20 01:43:22,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-10-20 01:43:22,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2020-10-20 01:43:22,463 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 33 [2020-10-20 01:43:22,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:22,463 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2020-10-20 01:43:22,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:43:22,464 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2020-10-20 01:43:22,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:43:22,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:22,469 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:22,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:43:22,470 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:22,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:22,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1164997414, now seen corresponding path program 1 times [2020-10-20 01:43:22,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:22,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681387248] [2020-10-20 01:43:22,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:22,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:22,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681387248] [2020-10-20 01:43:22,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:22,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:43:22,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970462910] [2020-10-20 01:43:22,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:43:22,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:22,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:43:22,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:43:22,574 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand 6 states. [2020-10-20 01:43:22,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:22,855 INFO L93 Difference]: Finished difference Result 506 states and 698 transitions. [2020-10-20 01:43:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 01:43:22,856 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-10-20 01:43:22,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:22,858 INFO L225 Difference]: With dead ends: 506 [2020-10-20 01:43:22,859 INFO L226 Difference]: Without dead ends: 339 [2020-10-20 01:43:22,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:43:22,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-10-20 01:43:22,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 152. [2020-10-20 01:43:22,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-10-20 01:43:22,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 199 transitions. [2020-10-20 01:43:22,874 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 199 transitions. Word has length 33 [2020-10-20 01:43:22,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:22,874 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 199 transitions. [2020-10-20 01:43:22,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:43:22,875 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2020-10-20 01:43:22,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:43:22,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:22,876 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:22,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:43:22,876 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:22,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:22,877 INFO L82 PathProgramCache]: Analyzing trace with hash 2002573789, now seen corresponding path program 1 times [2020-10-20 01:43:22,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:22,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928708319] [2020-10-20 01:43:22,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:22,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:22,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928708319] [2020-10-20 01:43:22,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:22,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:43:22,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880225271] [2020-10-20 01:43:22,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:43:22,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:22,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:43:22,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:43:22,936 INFO L87 Difference]: Start difference. First operand 152 states and 199 transitions. Second operand 6 states. [2020-10-20 01:43:23,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:23,020 INFO L93 Difference]: Finished difference Result 385 states and 513 transitions. [2020-10-20 01:43:23,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:43:23,021 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-10-20 01:43:23,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:23,042 INFO L225 Difference]: With dead ends: 385 [2020-10-20 01:43:23,042 INFO L226 Difference]: Without dead ends: 239 [2020-10-20 01:43:23,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:43:23,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-10-20 01:43:23,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 140. [2020-10-20 01:43:23,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-10-20 01:43:23,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2020-10-20 01:43:23,059 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 180 transitions. Word has length 33 [2020-10-20 01:43:23,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:23,059 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 180 transitions. [2020-10-20 01:43:23,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:43:23,060 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2020-10-20 01:43:23,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-20 01:43:23,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:23,061 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-20 01:43:23,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:43:23,062 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:23,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:23,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1653300136, now seen corresponding path program 1 times [2020-10-20 01:43:23,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:23,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837640177] [2020-10-20 01:43:23,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:23,117 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:43:23,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837640177] [2020-10-20 01:43:23,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:23,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:43:23,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714220807] [2020-10-20 01:43:23,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:23,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:23,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:23,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:23,119 INFO L87 Difference]: Start difference. First operand 140 states and 180 transitions. Second operand 5 states. [2020-10-20 01:43:23,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:23,179 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2020-10-20 01:43:23,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:43:23,179 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-10-20 01:43:23,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:23,181 INFO L225 Difference]: With dead ends: 281 [2020-10-20 01:43:23,181 INFO L226 Difference]: Without dead ends: 173 [2020-10-20 01:43:23,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:43:23,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-20 01:43:23,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 124. [2020-10-20 01:43:23,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-20 01:43:23,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2020-10-20 01:43:23,202 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 50 [2020-10-20 01:43:23,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:23,202 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2020-10-20 01:43:23,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:23,202 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2020-10-20 01:43:23,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-20 01:43:23,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:23,204 INFO L422 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] [2020-10-20 01:43:23,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:43:23,205 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:23,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:23,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1625888868, now seen corresponding path program 1 times [2020-10-20 01:43:23,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:23,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242778128] [2020-10-20 01:43:23,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:23,326 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:23,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242778128] [2020-10-20 01:43:23,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:23,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:43:23,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650121628] [2020-10-20 01:43:23,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:23,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:23,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:23,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:23,329 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand 5 states. [2020-10-20 01:43:23,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:23,454 INFO L93 Difference]: Finished difference Result 633 states and 812 transitions. [2020-10-20 01:43:23,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:43:23,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-10-20 01:43:23,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:23,459 INFO L225 Difference]: With dead ends: 633 [2020-10-20 01:43:23,459 INFO L226 Difference]: Without dead ends: 515 [2020-10-20 01:43:23,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:43:23,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-10-20 01:43:23,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 240. [2020-10-20 01:43:23,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-10-20 01:43:23,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 304 transitions. [2020-10-20 01:43:23,504 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 304 transitions. Word has length 51 [2020-10-20 01:43:23,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:23,504 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 304 transitions. [2020-10-20 01:43:23,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:23,504 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 304 transitions. [2020-10-20 01:43:23,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-20 01:43:23,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:23,505 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:23,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:43:23,506 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:23,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:23,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1149655330, now seen corresponding path program 1 times [2020-10-20 01:43:23,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:23,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109270558] [2020-10-20 01:43:23,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-20 01:43:23,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109270558] [2020-10-20 01:43:23,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855917064] [2020-10-20 01:43:23,600 INFO L95 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 [2020-10-20 01:43:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:23,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:43:23,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:43:23,903 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-20 01:43:23,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:43:23,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2020-10-20 01:43:23,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507636167] [2020-10-20 01:43:23,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-20 01:43:23,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:23,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-20 01:43:23,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-20 01:43:23,909 INFO L87 Difference]: Start difference. First operand 240 states and 304 transitions. Second operand 10 states. [2020-10-20 01:43:24,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:24,320 INFO L93 Difference]: Finished difference Result 580 states and 730 transitions. [2020-10-20 01:43:24,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:43:24,320 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2020-10-20 01:43:24,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:24,322 INFO L225 Difference]: With dead ends: 580 [2020-10-20 01:43:24,322 INFO L226 Difference]: Without dead ends: 346 [2020-10-20 01:43:24,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-20 01:43:24,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-10-20 01:43:24,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 226. [2020-10-20 01:43:24,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-20 01:43:24,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2020-10-20 01:43:24,357 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 52 [2020-10-20 01:43:24,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:24,358 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2020-10-20 01:43:24,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-20 01:43:24,358 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2020-10-20 01:43:24,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-20 01:43:24,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:24,359 INFO L422 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] [2020-10-20 01:43:24,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-20 01:43:24,573 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:24,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:24,574 INFO L82 PathProgramCache]: Analyzing trace with hash 755456399, now seen corresponding path program 1 times [2020-10-20 01:43:24,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:24,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139446879] [2020-10-20 01:43:24,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:24,700 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-20 01:43:24,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139446879] [2020-10-20 01:43:24,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981251440] [2020-10-20 01:43:24,701 INFO L95 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 [2020-10-20 01:43:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:24,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 01:43:24,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:43:24,962 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-20 01:43:24,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:43:24,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2020-10-20 01:43:24,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348623208] [2020-10-20 01:43:24,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:43:24,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:24,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:43:24,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:43:24,964 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand 7 states. [2020-10-20 01:43:25,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:25,201 INFO L93 Difference]: Finished difference Result 774 states and 972 transitions. [2020-10-20 01:43:25,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:43:25,202 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-10-20 01:43:25,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:25,202 INFO L225 Difference]: With dead ends: 774 [2020-10-20 01:43:25,202 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:43:25,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:43:25,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:43:25,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:43:25,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:43:25,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:43:25,204 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2020-10-20 01:43:25,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:25,205 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:43:25,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:43:25,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:43:25,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:43:25,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-10-20 01:43:25,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:43:25,657 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 118 [2020-10-20 01:43:25,791 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 99 [2020-10-20 01:43:25,926 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 79 [2020-10-20 01:43:26,414 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 165 [2020-10-20 01:43:26,746 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 114 [2020-10-20 01:43:26,997 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 98 [2020-10-20 01:43:27,384 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 140 [2020-10-20 01:43:27,988 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 52 [2020-10-20 01:43:28,440 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2020-10-20 01:43:28,733 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-10-20 01:43:29,014 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 42 [2020-10-20 01:43:29,998 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 34 [2020-10-20 01:43:30,459 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 48 [2020-10-20 01:43:31,052 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 53 [2020-10-20 01:43:31,354 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 43 [2020-10-20 01:43:32,105 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 32 [2020-10-20 01:43:32,109 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:32,109 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:43:32,110 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:43:32,110 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:43:32,110 INFO L274 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-10-20 01:43:32,110 INFO L274 CegarLoopResult]: For program point L862-1(line 862) no Hoare annotation was computed. [2020-10-20 01:43:32,110 INFO L274 CegarLoopResult]: For program point L862-2(line 862) no Hoare annotation was computed. [2020-10-20 01:43:32,110 INFO L270 CegarLoopResult]: At program point L534(lines 534 540) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0))) (let ((.cse7 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse10 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse11 (not .cse8)) (.cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse12 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse13 (<= ~waterLevel~0 2)) (.cse1 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6) (and .cse1 .cse7 .cse2 .cse8 .cse6) (and .cse0 .cse7 .cse9 .cse10 .cse11 .cse2 .cse4 .cse12 .cse5 .cse6 .cse13) (and .cse1 .cse7 .cse0 .cse2 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 .cse9 .cse10 .cse11 .cse3 .cse2 .cse4 .cse12 .cse5 .cse6 .cse13) (and .cse1 .cse3 .cse2 .cse8 .cse6)))) [2020-10-20 01:43:32,110 INFO L270 CegarLoopResult]: At program point L534-1(lines 534 540) the Hoare annotation is: false [2020-10-20 01:43:32,110 INFO L270 CegarLoopResult]: At program point L534-2(lines 534 540) the Hoare annotation is: false [2020-10-20 01:43:32,111 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:43:32,111 INFO L270 CegarLoopResult]: At program point L931(lines 926 934) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:43:32,111 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-10-20 01:43:32,111 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:32,111 INFO L274 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2020-10-20 01:43:32,112 INFO L274 CegarLoopResult]: For program point L770-3(lines 770 774) no Hoare annotation was computed. [2020-10-20 01:43:32,112 INFO L270 CegarLoopResult]: At program point L638(lines 633 641) the Hoare annotation is: (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= 1 ~systemActive~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 2)) [2020-10-20 01:43:32,112 INFO L270 CegarLoopResult]: At program point L638-1(lines 633 641) the Hoare annotation is: false [2020-10-20 01:43:32,112 INFO L274 CegarLoopResult]: For program point L770-6(lines 770 774) no Hoare annotation was computed. [2020-10-20 01:43:32,113 INFO L270 CegarLoopResult]: At program point L638-2(lines 633 641) the Hoare annotation is: false [2020-10-20 01:43:32,113 INFO L274 CegarLoopResult]: For program point L738(lines 738 749) no Hoare annotation was computed. [2020-10-20 01:43:32,113 INFO L270 CegarLoopResult]: At program point L839(lines 834 842) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse9 (<= ~waterLevel~0 1)) (.cse6 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse1 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse10 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse6 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (not .cse7) .cse8 (<= ~waterLevel~0 2)) (and .cse9 .cse0 .cse6 .cse1 .cse8 .cse10 .cse2 .cse4 .cse3 .cse5) (and .cse9 .cse6 .cse1 .cse8 .cse10 .cse3 .cse7 .cse5))) [2020-10-20 01:43:32,113 INFO L270 CegarLoopResult]: At program point L839-1(lines 834 842) the Hoare annotation is: false [2020-10-20 01:43:32,114 INFO L270 CegarLoopResult]: At program point L839-2(lines 834 842) the Hoare annotation is: false [2020-10-20 01:43:32,114 INFO L270 CegarLoopResult]: At program point L807(lines 802 810) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6) (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2020-10-20 01:43:32,114 INFO L270 CegarLoopResult]: At program point L807-1(lines 802 810) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0))) (let ((.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse12 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse2 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse3 (not .cse9)) (.cse4 (= 1 ~systemActive~0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse4 .cse9 .cse7 .cse8) (and .cse1 .cse2 .cse10 .cse3 .cse11 .cse4 .cse5 .cse6 .cse7 .cse8 .cse12) (and .cse2 .cse10 .cse3 .cse11 .cse4 .cse13 .cse5 .cse6 .cse14 .cse7 .cse12) (and .cse0 .cse13 .cse4 .cse14 .cse9 .cse7) (and .cse0 .cse2 .cse3 .cse4 .cse13 .cse5 .cse6 .cse14 .cse7)))) [2020-10-20 01:43:32,114 INFO L270 CegarLoopResult]: At program point L807-2(lines 802 810) the Hoare annotation is: false [2020-10-20 01:43:32,114 INFO L270 CegarLoopResult]: At program point L807-3(lines 802 810) the Hoare annotation is: false [2020-10-20 01:43:32,114 INFO L270 CegarLoopResult]: At program point L807-4(lines 802 810) the Hoare annotation is: false [2020-10-20 01:43:32,115 INFO L270 CegarLoopResult]: At program point L807-5(lines 802 810) the Hoare annotation is: false [2020-10-20 01:43:32,115 INFO L274 CegarLoopResult]: For program point L709(lines 708 753) no Hoare annotation was computed. [2020-10-20 01:43:32,115 INFO L274 CegarLoopResult]: For program point L710(lines 710 714) no Hoare annotation was computed. [2020-10-20 01:43:32,115 INFO L274 CegarLoopResult]: For program point L876(lines 876 896) no Hoare annotation was computed. [2020-10-20 01:43:32,115 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 896) no Hoare annotation was computed. [2020-10-20 01:43:32,115 INFO L274 CegarLoopResult]: For program point L744(lines 744 748) no Hoare annotation was computed. [2020-10-20 01:43:32,115 INFO L274 CegarLoopResult]: For program point L876-4(lines 876 896) no Hoare annotation was computed. [2020-10-20 01:43:32,115 INFO L274 CegarLoopResult]: For program point L744-2(lines 527 533) no Hoare annotation was computed. [2020-10-20 01:43:32,115 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:43:32,115 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-10-20 01:43:32,116 INFO L274 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-10-20 01:43:32,116 INFO L274 CegarLoopResult]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2020-10-20 01:43:32,116 INFO L274 CegarLoopResult]: For program point L847-2(lines 847 853) no Hoare annotation was computed. [2020-10-20 01:43:32,116 INFO L274 CegarLoopResult]: For program point L847-3(lines 847 853) no Hoare annotation was computed. [2020-10-20 01:43:32,116 INFO L274 CegarLoopResult]: For program point L847-4(lines 847 853) no Hoare annotation was computed. [2020-10-20 01:43:32,116 INFO L274 CegarLoopResult]: For program point L847-5(lines 847 853) no Hoare annotation was computed. [2020-10-20 01:43:32,116 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-20 01:43:32,116 INFO L274 CegarLoopResult]: For program point L782(lines 782 786) no Hoare annotation was computed. [2020-10-20 01:43:32,116 INFO L274 CegarLoopResult]: For program point L882(lines 882 895) no Hoare annotation was computed. [2020-10-20 01:43:32,117 INFO L270 CegarLoopResult]: At program point L882-1(lines 1 934) the Hoare annotation is: (let ((.cse15 (= ~pumpRunning~0 0))) (let ((.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse11 (<= ~waterLevel~0 2)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse8 (not .cse15)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse13 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse14 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse12 (<= ~waterLevel~0 1)) (.cse16 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse17 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse18 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse12 .cse7 .cse1 .cse10 .cse13 .cse14 .cse4 .cse15 .cse5) (and (= ~waterLevel~0 1) .cse10 .cse1 .cse15 .cse5) (and .cse16 .cse0 .cse6 .cse8 .cse9 .cse1 .cse17 .cse2 .cse3 .cse18 .cse5 .cse11) (and .cse12 .cse16 .cse0 .cse8 .cse1 .cse2 .cse17 .cse3 .cse5 .cse18) (and .cse12 .cse0 .cse7 .cse8 .cse1 .cse10 .cse13 .cse2 .cse14 .cse4 .cse3 .cse5) (and .cse12 .cse16 .cse1 .cse17 .cse15 .cse5 .cse18)))) [2020-10-20 01:43:32,117 INFO L274 CegarLoopResult]: For program point L882-2(lines 882 895) no Hoare annotation was computed. [2020-10-20 01:43:32,117 INFO L270 CegarLoopResult]: At program point L882-3(lines 1 934) the Hoare annotation is: false [2020-10-20 01:43:32,117 INFO L274 CegarLoopResult]: For program point L882-4(lines 882 895) no Hoare annotation was computed. [2020-10-20 01:43:32,117 INFO L270 CegarLoopResult]: At program point L882-5(lines 1 934) the Hoare annotation is: false [2020-10-20 01:43:32,117 INFO L274 CegarLoopResult]: For program point L585(lines 585 602) no Hoare annotation was computed. [2020-10-20 01:43:32,117 INFO L274 CegarLoopResult]: For program point L585-1(lines 585 602) no Hoare annotation was computed. [2020-10-20 01:43:32,117 INFO L274 CegarLoopResult]: For program point L585-2(lines 585 602) no Hoare annotation was computed. [2020-10-20 01:43:32,118 INFO L274 CegarLoopResult]: For program point L718(lines 718 724) no Hoare annotation was computed. [2020-10-20 01:43:32,118 INFO L270 CegarLoopResult]: At program point L718-1(lines 718 724) the Hoare annotation is: (let ((.cse12 (<= 2 ~waterLevel~0)) (.cse16 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0))) (let ((.cse9 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse10 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse11 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse17 (let ((.cse18 (not .cse6))) (or (and .cse18 .cse1 .cse12 .cse15 .cse7) (and .cse16 .cse18 .cse1 .cse15 .cse7)))) (.cse13 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse0 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse14 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse4 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse10 .cse6 .cse7 .cse11 .cse8) (and .cse1 .cse2 .cse12 .cse6 .cse7 .cse8) (and (<= ~waterLevel~0 1) .cse9 .cse13 .cse1 .cse14 .cse10 .cse15 .cse7 .cse11) (and .cse16 .cse2 .cse1 .cse6 .cse7) (and .cse9 .cse13 .cse10 .cse14 .cse17 .cse11 .cse8) (and .cse13 .cse0 .cse2 .cse14 .cse17 .cse5 .cse8) (and .cse13 .cse0 .cse1 .cse2 .cse3 .cse14 .cse15 .cse4 .cse5 .cse7 .cse8)))) [2020-10-20 01:43:32,118 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:43:32,118 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-20 01:43:32,118 INFO L274 CegarLoopResult]: For program point L58-1(lines 527 533) no Hoare annotation was computed. [2020-10-20 01:43:32,118 INFO L270 CegarLoopResult]: At program point L852(lines 843 856) the Hoare annotation is: false [2020-10-20 01:43:32,118 INFO L270 CegarLoopResult]: At program point L852-1(lines 843 856) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 2)) (.cse0 (not .cse6)) (.cse1 (<= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 .cse8 .cse4 .cse5 .cse9) (and .cse2 .cse6 .cse3 .cse8 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5)))) [2020-10-20 01:43:32,119 INFO L270 CegarLoopResult]: At program point L852-2(lines 843 856) the Hoare annotation is: false [2020-10-20 01:43:32,119 INFO L270 CegarLoopResult]: At program point L852-3(lines 843 856) the Hoare annotation is: false [2020-10-20 01:43:32,119 INFO L270 CegarLoopResult]: At program point L852-4(lines 843 856) the Hoare annotation is: false [2020-10-20 01:43:32,119 INFO L274 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-10-20 01:43:32,119 INFO L270 CegarLoopResult]: At program point L852-5(lines 843 856) the Hoare annotation is: false [2020-10-20 01:43:32,119 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2020-10-20 01:43:32,119 INFO L274 CegarLoopResult]: For program point L687-3(lines 687 691) no Hoare annotation was computed. [2020-10-20 01:43:32,119 INFO L274 CegarLoopResult]: For program point L687-5(lines 687 691) no Hoare annotation was computed. [2020-10-20 01:43:32,119 INFO L274 CegarLoopResult]: For program point L687-6(lines 687 691) no Hoare annotation was computed. [2020-10-20 01:43:32,120 INFO L274 CegarLoopResult]: For program point L687-8(lines 687 691) no Hoare annotation was computed. [2020-10-20 01:43:32,120 INFO L274 CegarLoopResult]: For program point L687-9(lines 687 691) no Hoare annotation was computed. [2020-10-20 01:43:32,120 INFO L274 CegarLoopResult]: For program point L687-11(lines 687 691) no Hoare annotation was computed. [2020-10-20 01:43:32,120 INFO L274 CegarLoopResult]: For program point L687-12(lines 687 691) no Hoare annotation was computed. [2020-10-20 01:43:32,120 INFO L274 CegarLoopResult]: For program point L687-14(lines 687 691) no Hoare annotation was computed. [2020-10-20 01:43:32,120 INFO L274 CegarLoopResult]: For program point L687-15(lines 687 691) no Hoare annotation was computed. [2020-10-20 01:43:32,120 INFO L274 CegarLoopResult]: For program point L687-17(lines 687 691) no Hoare annotation was computed. [2020-10-20 01:43:32,120 INFO L274 CegarLoopResult]: For program point L886(lines 886 892) no Hoare annotation was computed. [2020-10-20 01:43:32,120 INFO L274 CegarLoopResult]: For program point L886-2(lines 886 892) no Hoare annotation was computed. [2020-10-20 01:43:32,120 INFO L270 CegarLoopResult]: At program point L754(lines 707 755) the Hoare annotation is: false [2020-10-20 01:43:32,121 INFO L274 CegarLoopResult]: For program point L886-4(lines 886 892) no Hoare annotation was computed. [2020-10-20 01:43:32,121 INFO L274 CegarLoopResult]: For program point L589(lines 589 597) no Hoare annotation was computed. [2020-10-20 01:43:32,121 INFO L274 CegarLoopResult]: For program point L589-1(lines 589 597) no Hoare annotation was computed. [2020-10-20 01:43:32,121 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 597) no Hoare annotation was computed. [2020-10-20 01:43:32,121 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:43:32,121 INFO L274 CegarLoopResult]: For program point L559(lines 559 576) no Hoare annotation was computed. [2020-10-20 01:43:32,121 INFO L274 CegarLoopResult]: For program point L559-1(lines 559 576) no Hoare annotation was computed. [2020-10-20 01:43:32,121 INFO L274 CegarLoopResult]: For program point L559-2(lines 559 576) no Hoare annotation was computed. [2020-10-20 01:43:32,121 INFO L274 CegarLoopResult]: For program point L559-3(lines 559 576) no Hoare annotation was computed. [2020-10-20 01:43:32,121 INFO L274 CegarLoopResult]: For program point L559-4(lines 559 576) no Hoare annotation was computed. [2020-10-20 01:43:32,122 INFO L274 CegarLoopResult]: For program point L559-5(lines 559 576) no Hoare annotation was computed. [2020-10-20 01:43:32,122 INFO L270 CegarLoopResult]: At program point L923(lines 1 934) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:43:32,122 INFO L270 CegarLoopResult]: At program point L527(lines 526 545) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse7 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse0 .cse2 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse6 .cse9) (and .cse3 .cse2 .cse8 .cse6 .cse9))) [2020-10-20 01:43:32,122 INFO L274 CegarLoopResult]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2020-10-20 01:43:32,122 INFO L270 CegarLoopResult]: At program point L527-2(lines 526 545) the Hoare annotation is: false [2020-10-20 01:43:32,122 INFO L270 CegarLoopResult]: At program point L527-3(lines 526 545) the Hoare annotation is: false [2020-10-20 01:43:32,122 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:43:32,123 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:32,123 INFO L270 CegarLoopResult]: At program point L693(lines 678 696) the Hoare annotation is: false [2020-10-20 01:43:32,123 INFO L270 CegarLoopResult]: At program point L693-1(lines 678 696) the Hoare annotation is: (let ((.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse0 (not .cse11)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (not .cse14)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse10 (not .cse5)) (.cse4 (= 1 ~systemActive~0)) (.cse12 (not .cse8)) (.cse13 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse15 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse10 .cse11 .cse3 .cse4 .cse12 .cse13 .cse14 .cse6 .cse7 .cse15) (and .cse9 .cse10 .cse11 .cse4 .cse12 .cse13 .cse14 .cse6 .cse7 .cse15)))) [2020-10-20 01:43:32,123 INFO L270 CegarLoopResult]: At program point L693-2(lines 678 696) the Hoare annotation is: false [2020-10-20 01:43:32,123 INFO L270 CegarLoopResult]: At program point L693-3(lines 678 696) the Hoare annotation is: false [2020-10-20 01:43:32,123 INFO L270 CegarLoopResult]: At program point L693-4(lines 678 696) the Hoare annotation is: false [2020-10-20 01:43:32,123 INFO L270 CegarLoopResult]: At program point L693-5(lines 678 696) the Hoare annotation is: false [2020-10-20 01:43:32,124 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-20 01:43:32,124 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-10-20 01:43:32,124 INFO L274 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-10-20 01:43:32,124 INFO L274 CegarLoopResult]: For program point L728(lines 728 734) no Hoare annotation was computed. [2020-10-20 01:43:32,124 INFO L270 CegarLoopResult]: At program point L728-1(lines 728 734) the Hoare annotation is: (let ((.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse7 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse8 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse5 .cse6))) [2020-10-20 01:43:32,124 INFO L270 CegarLoopResult]: At program point L629(lines 622 632) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6) (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2020-10-20 01:43:32,124 INFO L270 CegarLoopResult]: At program point L629-1(lines 622 632) the Hoare annotation is: false [2020-10-20 01:43:32,124 INFO L274 CegarLoopResult]: For program point L563(lines 563 571) no Hoare annotation was computed. [2020-10-20 01:43:32,124 INFO L270 CegarLoopResult]: At program point L629-2(lines 622 632) the Hoare annotation is: false [2020-10-20 01:43:32,125 INFO L274 CegarLoopResult]: For program point L563-1(lines 563 571) no Hoare annotation was computed. [2020-10-20 01:43:32,125 INFO L274 CegarLoopResult]: For program point L563-2(lines 563 571) no Hoare annotation was computed. [2020-10-20 01:43:32,125 INFO L274 CegarLoopResult]: For program point L563-3(lines 563 571) no Hoare annotation was computed. [2020-10-20 01:43:32,125 INFO L274 CegarLoopResult]: For program point L563-4(lines 563 571) no Hoare annotation was computed. [2020-10-20 01:43:32,125 INFO L274 CegarLoopResult]: For program point L563-5(lines 563 571) no Hoare annotation was computed. [2020-10-20 01:43:32,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:43:32 BoogieIcfgContainer [2020-10-20 01:43:32,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:43:32,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:43:32,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:43:32,187 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:43:32,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:20" (3/4) ... [2020-10-20 01:43:32,195 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:43:32,225 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:43:32,226 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:43:32,227 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:43:32,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:43:32,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:43:32,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:43:32,232 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:43:32,278 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!(\result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && \result == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) || ((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && 1 <= tmp) && !(tmp___0 == 0)) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || (((((((((((waterLevel <= 1 && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) [2020-10-20 01:43:32,279 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((methaneLevelCritical == systemActive && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == systemActive && !(\result == 0)) && 1 <= tmp) && !(tmp___0 == 0)) && (((((!(pumpRunning == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0))) && 1 <= \result) && waterLevel <= 2)) || ((((((!(\result == 0) && tmp == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && (((((!(pumpRunning == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0))) && \result == 0) && waterLevel <= 2)) || ((((((((((!(\result == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp == 0) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:43:32,280 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == systemActive && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:43:32,282 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:43:32,283 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && methaneLevelCritical == systemActive) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((((!(\result == 0) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:32,285 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || (((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((((((!(\result == 0) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) [2020-10-20 01:43:32,285 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) [2020-10-20 01:43:32,286 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) [2020-10-20 01:43:32,286 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((methaneLevelCritical == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:32,290 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(\result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) || (((((((((waterLevel <= 1 && !(\result == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0)) || (((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:32,293 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0)) || (((((((((!(\result == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:43:32,293 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && 1 == systemActive) && !(\result == 0)) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2 [2020-10-20 01:43:32,412 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:43:32,412 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:43:32,414 INFO L168 Benchmark]: Toolchain (without parser) took 13875.96 ms. Allocated memory was 38.3 MB in the beginning and 125.8 MB in the end (delta: 87.6 MB). Free memory was 11.8 MB in the beginning and 87.9 MB in the end (delta: -76.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:32,414 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 37.7 MB. Free memory was 16.1 MB in the beginning and 16.1 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. [2020-10-20 01:43:32,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.70 ms. Allocated memory was 38.3 MB in the beginning and 45.6 MB in the end (delta: 7.3 MB). Free memory was 11.0 MB in the beginning and 28.2 MB in the end (delta: -17.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:32,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.83 ms. Allocated memory is still 45.6 MB. Free memory was 28.2 MB in the beginning and 24.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:32,416 INFO L168 Benchmark]: Boogie Preprocessor took 47.18 ms. Allocated memory is still 45.6 MB. Free memory was 24.3 MB in the beginning and 21.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:32,416 INFO L168 Benchmark]: RCFGBuilder took 1133.88 ms. Allocated memory was 45.6 MB in the beginning and 51.4 MB in the end (delta: 5.8 MB). Free memory was 21.4 MB in the beginning and 31.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:32,416 INFO L168 Benchmark]: TraceAbstraction took 11765.50 ms. Allocated memory was 51.4 MB in the beginning and 125.8 MB in the end (delta: 74.4 MB). Free memory was 30.8 MB in the beginning and 102.0 MB in the end (delta: -71.1 MB). Peak memory consumption was 89.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:32,417 INFO L168 Benchmark]: Witness Printer took 225.62 ms. Allocated memory is still 125.8 MB. Free memory was 102.0 MB in the beginning and 87.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:32,419 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 37.7 MB. Free memory was 16.1 MB in the beginning and 16.1 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 596.70 ms. Allocated memory was 38.3 MB in the beginning and 45.6 MB in the end (delta: 7.3 MB). Free memory was 11.0 MB in the beginning and 28.2 MB in the end (delta: -17.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 94.83 ms. Allocated memory is still 45.6 MB. Free memory was 28.2 MB in the beginning and 24.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 47.18 ms. Allocated memory is still 45.6 MB. Free memory was 24.3 MB in the beginning and 21.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1133.88 ms. Allocated memory was 45.6 MB in the beginning and 51.4 MB in the end (delta: 5.8 MB). Free memory was 21.4 MB in the beginning and 31.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 11765.50 ms. Allocated memory was 51.4 MB in the beginning and 125.8 MB in the end (delta: 74.4 MB). Free memory was 30.8 MB in the beginning and 102.0 MB in the end (delta: -71.1 MB). Peak memory consumption was 89.2 MB. Max. memory is 14.3 GB. * Witness Printer took 225.62 ms. Allocated memory is still 125.8 MB. Free memory was 102.0 MB in the beginning and 87.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: ((((((((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((methaneLevelCritical == systemActive && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == systemActive && !(\result == 0)) && 1 <= tmp) && !(tmp___0 == 0)) && (((((!(pumpRunning == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0))) && 1 <= \result) && waterLevel <= 2)) || ((((((!(\result == 0) && tmp == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && (((((!(pumpRunning == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0))) && \result == 0) && waterLevel <= 2)) || ((((((((((!(\result == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp == 0) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0)) || (((((((((!(\result == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && 1 == systemActive) && !(\result == 0)) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((methaneLevelCritical == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: (((((((((((((!(\result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) || (((((((((waterLevel <= 1 && !(\result == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0)) || (((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == systemActive && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((((((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && methaneLevelCritical == systemActive) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((((!(\result == 0) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((((!(\result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && \result == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) || ((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && 1 <= tmp) && !(tmp___0 == 0)) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || (((((((((((waterLevel <= 1 && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || (((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((((((!(\result == 0) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1370 SDtfs, 1993 SDslu, 2471 SDs, 0 SdLazy, 413 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 1088 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 246 NumberOfFragments, 1550 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2685113 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 45 FomulaSimplificationsInter, 153341 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 594 NumberOfCodeBlocks, 594 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 55375 SizeOfPredicates, 8 NumberOfNonLiveVariables, 867 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 62/88 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...