./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 324eb41748355c32a9add81086317d66d1f7b200 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:22:08,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:22:08,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:22:08,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:22:08,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:22:08,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:22:08,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:22:08,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:22:08,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:22:08,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:22:08,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:22:08,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:22:08,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:22:08,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:22:08,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:22:08,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:22:08,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:22:08,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:22:08,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:22:08,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:22:08,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:22:08,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:22:08,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:22:08,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:22:08,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:22:08,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:22:08,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:22:08,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:22:08,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:22:08,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:22:08,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:22:08,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:22:08,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:22:08,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:22:08,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:22:08,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:22:08,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:22:08,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:22:08,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:22:08,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:22:08,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:22:08,363 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:22:08,386 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:22:08,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:22:08,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:22:08,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:22:08,389 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:22:08,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:22:08,390 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:22:08,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:22:08,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:22:08,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:22:08,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:22:08,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:22:08,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:22:08,393 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:22:08,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:22:08,394 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:22:08,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:22:08,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:22:08,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:22:08,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:22:08,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:22:08,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:22:08,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:22:08,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:22:08,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:22:08,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:22:08,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:22:08,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:22:08,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 324eb41748355c32a9add81086317d66d1f7b200 [2019-11-28 00:22:08,725 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:22:08,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:22:08,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:22:08,747 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:22:08,748 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:22:08,749 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2019-11-28 00:22:08,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b9969480/7933771201a34989a58da2730f50eb8e/FLAGb56893fec [2019-11-28 00:22:09,362 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:22:09,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2019-11-28 00:22:09,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b9969480/7933771201a34989a58da2730f50eb8e/FLAGb56893fec [2019-11-28 00:22:09,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b9969480/7933771201a34989a58da2730f50eb8e [2019-11-28 00:22:09,725 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:22:09,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:22:09,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:09,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:22:09,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:22:09,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:09" (1/1) ... [2019-11-28 00:22:09,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d72e966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:09, skipping insertion in model container [2019-11-28 00:22:09,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:09" (1/1) ... [2019-11-28 00:22:09,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:22:09,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:22:10,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:10,227 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:22:10,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:10,341 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:22:10,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:10 WrapperNode [2019-11-28 00:22:10,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:10,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:10,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:22:10,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:22:10,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:10" (1/1) ... [2019-11-28 00:22:10,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:10" (1/1) ... [2019-11-28 00:22:10,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:10,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:22:10,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:22:10,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:22:10,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:10" (1/1) ... [2019-11-28 00:22:10,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:10" (1/1) ... [2019-11-28 00:22:10,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:10" (1/1) ... [2019-11-28 00:22:10,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:10" (1/1) ... [2019-11-28 00:22:10,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:10" (1/1) ... [2019-11-28 00:22:10,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:10" (1/1) ... [2019-11-28 00:22:10,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:10" (1/1) ... [2019-11-28 00:22:10,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:22:10,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:22:10,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:22:10,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:22:10,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:22:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:22:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:22:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:22:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:22:11,498 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:22:11,498 INFO L297 CfgBuilder]: Removed 198 assume(true) statements. [2019-11-28 00:22:11,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:11 BoogieIcfgContainer [2019-11-28 00:22:11,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:22:11,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:22:11,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:22:11,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:22:11,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:22:09" (1/3) ... [2019-11-28 00:22:11,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d110ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:11, skipping insertion in model container [2019-11-28 00:22:11,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:10" (2/3) ... [2019-11-28 00:22:11,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d110ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:11, skipping insertion in model container [2019-11-28 00:22:11,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:11" (3/3) ... [2019-11-28 00:22:11,509 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2019-11-28 00:22:11,519 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:22:11,527 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:22:11,539 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:22:11,573 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:22:11,573 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:22:11,573 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:22:11,574 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:22:11,574 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:22:11,574 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:22:11,574 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:22:11,575 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:22:11,603 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-28 00:22:11,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:22:11,613 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:11,614 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:11,615 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:11,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:11,620 INFO L82 PathProgramCache]: Analyzing trace with hash -38817959, now seen corresponding path program 1 times [2019-11-28 00:22:11,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:11,627 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007663649] [2019-11-28 00:22:11,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:11,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:11,915 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007663649] [2019-11-28 00:22:11,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:11,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:22:11,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307439726] [2019-11-28 00:22:11,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:22:11,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:11,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:22:11,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:22:11,937 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-11-28 00:22:11,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:11,975 INFO L93 Difference]: Finished difference Result 276 states and 413 transitions. [2019-11-28 00:22:11,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:22:11,977 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:22:11,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:11,991 INFO L225 Difference]: With dead ends: 276 [2019-11-28 00:22:11,991 INFO L226 Difference]: Without dead ends: 137 [2019-11-28 00:22:11,995 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:22:12,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-28 00:22:12,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-28 00:22:12,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-28 00:22:12,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2019-11-28 00:22:12,048 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2019-11-28 00:22:12,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:12,049 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2019-11-28 00:22:12,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:22:12,049 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2019-11-28 00:22:12,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:22:12,054 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:12,054 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:12,055 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:12,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:12,056 INFO L82 PathProgramCache]: Analyzing trace with hash -949848712, now seen corresponding path program 1 times [2019-11-28 00:22:12,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:12,056 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089163506] [2019-11-28 00:22:12,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:12,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:12,208 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089163506] [2019-11-28 00:22:12,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:12,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:22:12,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780132095] [2019-11-28 00:22:12,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:22:12,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:12,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:22:12,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:12,213 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand 3 states. [2019-11-28 00:22:12,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:12,263 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2019-11-28 00:22:12,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:22:12,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:22:12,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:12,265 INFO L225 Difference]: With dead ends: 137 [2019-11-28 00:22:12,265 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 00:22:12,267 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:12,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 00:22:12,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 00:22:12,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 00:22:12,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-28 00:22:12,281 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-11-28 00:22:12,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:12,281 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-28 00:22:12,281 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:22:12,281 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-28 00:22:12,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:22:12,283 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:12,284 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:12,284 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:12,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:12,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1573067069, now seen corresponding path program 1 times [2019-11-28 00:22:12,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:12,285 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639056620] [2019-11-28 00:22:12,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:12,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:12,419 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639056620] [2019-11-28 00:22:12,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:12,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:22:12,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167183232] [2019-11-28 00:22:12,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:22:12,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:12,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:22:12,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:22:12,425 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2019-11-28 00:22:12,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:12,578 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2019-11-28 00:22:12,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:22:12,580 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-28 00:22:12,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:12,582 INFO L225 Difference]: With dead ends: 104 [2019-11-28 00:22:12,583 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 00:22:12,583 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:22:12,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 00:22:12,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 00:22:12,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 00:22:12,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-28 00:22:12,597 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2019-11-28 00:22:12,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:12,598 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-28 00:22:12,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:22:12,599 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-28 00:22:12,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:22:12,601 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:12,601 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:12,602 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:12,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:12,602 INFO L82 PathProgramCache]: Analyzing trace with hash -630835270, now seen corresponding path program 1 times [2019-11-28 00:22:12,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:12,603 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355431757] [2019-11-28 00:22:12,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:12,720 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355431757] [2019-11-28 00:22:12,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:12,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:22:12,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544732923] [2019-11-28 00:22:12,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:22:12,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:12,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:22:12,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:12,722 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-28 00:22:12,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:12,760 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2019-11-28 00:22:12,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:22:12,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:22:12,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:12,762 INFO L225 Difference]: With dead ends: 127 [2019-11-28 00:22:12,763 INFO L226 Difference]: Without dead ends: 78 [2019-11-28 00:22:12,763 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:12,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-11-28 00:22:12,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-11-28 00:22:12,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-28 00:22:12,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2019-11-28 00:22:12,782 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2019-11-28 00:22:12,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:12,783 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2019-11-28 00:22:12,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:22:12,784 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-11-28 00:22:12,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:22:12,788 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:12,788 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:12,789 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:12,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:12,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1446451218, now seen corresponding path program 1 times [2019-11-28 00:22:12,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:12,790 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28613298] [2019-11-28 00:22:12,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:12,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:12,928 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28613298] [2019-11-28 00:22:12,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:12,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:22:12,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368810954] [2019-11-28 00:22:12,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:12,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:12,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:12,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:12,931 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand 5 states. [2019-11-28 00:22:13,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:13,093 INFO L93 Difference]: Finished difference Result 381 states and 553 transitions. [2019-11-28 00:22:13,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:22:13,094 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 00:22:13,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:13,099 INFO L225 Difference]: With dead ends: 381 [2019-11-28 00:22:13,099 INFO L226 Difference]: Without dead ends: 311 [2019-11-28 00:22:13,102 INFO L630 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 [2019-11-28 00:22:13,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-11-28 00:22:13,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2019-11-28 00:22:13,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-11-28 00:22:13,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 170 transitions. [2019-11-28 00:22:13,124 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 170 transitions. Word has length 32 [2019-11-28 00:22:13,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:13,125 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 170 transitions. [2019-11-28 00:22:13,125 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:13,126 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2019-11-28 00:22:13,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:22:13,127 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:13,127 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:13,128 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:13,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:13,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1777469548, now seen corresponding path program 1 times [2019-11-28 00:22:13,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:13,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325541868] [2019-11-28 00:22:13,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:13,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:13,205 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325541868] [2019-11-28 00:22:13,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:13,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:22:13,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443557659] [2019-11-28 00:22:13,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:13,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:13,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:13,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:13,208 INFO L87 Difference]: Start difference. First operand 123 states and 170 transitions. Second operand 5 states. [2019-11-28 00:22:13,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:13,391 INFO L93 Difference]: Finished difference Result 561 states and 803 transitions. [2019-11-28 00:22:13,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:22:13,392 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 00:22:13,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:13,395 INFO L225 Difference]: With dead ends: 561 [2019-11-28 00:22:13,395 INFO L226 Difference]: Without dead ends: 491 [2019-11-28 00:22:13,396 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:22:13,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2019-11-28 00:22:13,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 185. [2019-11-28 00:22:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-11-28 00:22:13,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 256 transitions. [2019-11-28 00:22:13,434 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 256 transitions. Word has length 33 [2019-11-28 00:22:13,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:13,434 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 256 transitions. [2019-11-28 00:22:13,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:13,437 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 256 transitions. [2019-11-28 00:22:13,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:22:13,441 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:13,442 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:13,442 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:13,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:13,443 INFO L82 PathProgramCache]: Analyzing trace with hash 766352298, now seen corresponding path program 1 times [2019-11-28 00:22:13,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:13,447 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396477739] [2019-11-28 00:22:13,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:13,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:13,524 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396477739] [2019-11-28 00:22:13,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:13,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:22:13,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60454412] [2019-11-28 00:22:13,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 00:22:13,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:13,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 00:22:13,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 00:22:13,532 INFO L87 Difference]: Start difference. First operand 185 states and 256 transitions. Second operand 4 states. [2019-11-28 00:22:13,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:13,614 INFO L93 Difference]: Finished difference Result 569 states and 796 transitions. [2019-11-28 00:22:13,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:22:13,615 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-28 00:22:13,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:13,618 INFO L225 Difference]: With dead ends: 569 [2019-11-28 00:22:13,618 INFO L226 Difference]: Without dead ends: 435 [2019-11-28 00:22:13,619 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:13,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2019-11-28 00:22:13,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 185. [2019-11-28 00:22:13,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-11-28 00:22:13,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 254 transitions. [2019-11-28 00:22:13,651 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 254 transitions. Word has length 33 [2019-11-28 00:22:13,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:13,651 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 254 transitions. [2019-11-28 00:22:13,651 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 00:22:13,651 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 254 transitions. [2019-11-28 00:22:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:22:13,655 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:13,655 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:13,656 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:13,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:13,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1024517736, now seen corresponding path program 1 times [2019-11-28 00:22:13,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:13,657 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068014462] [2019-11-28 00:22:13,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:13,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:13,744 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068014462] [2019-11-28 00:22:13,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:13,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 00:22:13,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475800166] [2019-11-28 00:22:13,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 00:22:13,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:13,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 00:22:13,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:22:13,747 INFO L87 Difference]: Start difference. First operand 185 states and 254 transitions. Second operand 7 states. [2019-11-28 00:22:13,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:13,946 INFO L93 Difference]: Finished difference Result 710 states and 987 transitions. [2019-11-28 00:22:13,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:22:13,946 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-28 00:22:13,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:13,950 INFO L225 Difference]: With dead ends: 710 [2019-11-28 00:22:13,951 INFO L226 Difference]: Without dead ends: 531 [2019-11-28 00:22:13,952 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-28 00:22:13,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2019-11-28 00:22:14,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 194. [2019-11-28 00:22:14,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-28 00:22:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 261 transitions. [2019-11-28 00:22:14,012 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 261 transitions. Word has length 33 [2019-11-28 00:22:14,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:14,013 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 261 transitions. [2019-11-28 00:22:14,013 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 00:22:14,013 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 261 transitions. [2019-11-28 00:22:14,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 00:22:14,016 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:14,016 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:14,016 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:14,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:14,017 INFO L82 PathProgramCache]: Analyzing trace with hash 416532263, now seen corresponding path program 1 times [2019-11-28 00:22:14,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:14,018 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381594011] [2019-11-28 00:22:14,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:14,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:14,110 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381594011] [2019-11-28 00:22:14,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:14,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:22:14,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059087181] [2019-11-28 00:22:14,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:22:14,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:14,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:22:14,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:22:14,111 INFO L87 Difference]: Start difference. First operand 194 states and 261 transitions. Second operand 6 states. [2019-11-28 00:22:14,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:14,466 INFO L93 Difference]: Finished difference Result 1521 states and 2031 transitions. [2019-11-28 00:22:14,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-28 00:22:14,467 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-11-28 00:22:14,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:14,475 INFO L225 Difference]: With dead ends: 1521 [2019-11-28 00:22:14,476 INFO L226 Difference]: Without dead ends: 1333 [2019-11-28 00:22:14,477 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-11-28 00:22:14,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2019-11-28 00:22:14,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 380. [2019-11-28 00:22:14,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2019-11-28 00:22:14,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 504 transitions. [2019-11-28 00:22:14,535 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 504 transitions. Word has length 36 [2019-11-28 00:22:14,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:14,539 INFO L462 AbstractCegarLoop]: Abstraction has 380 states and 504 transitions. [2019-11-28 00:22:14,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:22:14,539 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 504 transitions. [2019-11-28 00:22:14,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 00:22:14,540 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:14,541 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:14,541 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:14,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:14,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1096590633, now seen corresponding path program 1 times [2019-11-28 00:22:14,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:14,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279146922] [2019-11-28 00:22:14,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:14,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:14,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279146922] [2019-11-28 00:22:14,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:14,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:22:14,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842208299] [2019-11-28 00:22:14,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:14,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:14,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:14,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:14,619 INFO L87 Difference]: Start difference. First operand 380 states and 504 transitions. Second operand 5 states. [2019-11-28 00:22:14,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:14,794 INFO L93 Difference]: Finished difference Result 1004 states and 1359 transitions. [2019-11-28 00:22:14,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:22:14,795 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-28 00:22:14,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:14,798 INFO L225 Difference]: With dead ends: 1004 [2019-11-28 00:22:14,798 INFO L226 Difference]: Without dead ends: 630 [2019-11-28 00:22:14,799 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:22:14,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2019-11-28 00:22:14,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 338. [2019-11-28 00:22:14,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2019-11-28 00:22:14,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 438 transitions. [2019-11-28 00:22:14,841 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 438 transitions. Word has length 36 [2019-11-28 00:22:14,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:14,841 INFO L462 AbstractCegarLoop]: Abstraction has 338 states and 438 transitions. [2019-11-28 00:22:14,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 438 transitions. [2019-11-28 00:22:14,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 00:22:14,843 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:14,843 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:14,844 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:14,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:14,844 INFO L82 PathProgramCache]: Analyzing trace with hash 361452525, now seen corresponding path program 1 times [2019-11-28 00:22:14,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:14,845 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700056144] [2019-11-28 00:22:14,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:14,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:14,922 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700056144] [2019-11-28 00:22:14,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:14,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 00:22:14,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163779162] [2019-11-28 00:22:14,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 00:22:14,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:14,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 00:22:14,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:22:14,924 INFO L87 Difference]: Start difference. First operand 338 states and 438 transitions. Second operand 7 states. [2019-11-28 00:22:15,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:15,250 INFO L93 Difference]: Finished difference Result 1049 states and 1355 transitions. [2019-11-28 00:22:15,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 00:22:15,250 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2019-11-28 00:22:15,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:15,256 INFO L225 Difference]: With dead ends: 1049 [2019-11-28 00:22:15,257 INFO L226 Difference]: Without dead ends: 717 [2019-11-28 00:22:15,258 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2019-11-28 00:22:15,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2019-11-28 00:22:15,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 322. [2019-11-28 00:22:15,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-11-28 00:22:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 407 transitions. [2019-11-28 00:22:15,299 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 407 transitions. Word has length 37 [2019-11-28 00:22:15,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:15,300 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 407 transitions. [2019-11-28 00:22:15,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 00:22:15,300 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 407 transitions. [2019-11-28 00:22:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-28 00:22:15,301 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:15,301 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:15,301 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:15,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:15,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1927838086, now seen corresponding path program 1 times [2019-11-28 00:22:15,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:15,303 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332917798] [2019-11-28 00:22:15,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:15,379 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332917798] [2019-11-28 00:22:15,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:15,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:22:15,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89865090] [2019-11-28 00:22:15,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:15,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:15,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:15,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:15,380 INFO L87 Difference]: Start difference. First operand 322 states and 407 transitions. Second operand 5 states. [2019-11-28 00:22:15,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:15,521 INFO L93 Difference]: Finished difference Result 838 states and 1060 transitions. [2019-11-28 00:22:15,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:22:15,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-11-28 00:22:15,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:15,525 INFO L225 Difference]: With dead ends: 838 [2019-11-28 00:22:15,526 INFO L226 Difference]: Without dead ends: 522 [2019-11-28 00:22:15,527 INFO L630 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 [2019-11-28 00:22:15,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2019-11-28 00:22:15,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 322. [2019-11-28 00:22:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-11-28 00:22:15,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 401 transitions. [2019-11-28 00:22:15,564 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 401 transitions. Word has length 56 [2019-11-28 00:22:15,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:15,565 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 401 transitions. [2019-11-28 00:22:15,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:15,566 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 401 transitions. [2019-11-28 00:22:15,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:22:15,567 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:15,567 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:15,567 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:15,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:15,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1671822983, now seen corresponding path program 1 times [2019-11-28 00:22:15,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:15,571 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650359899] [2019-11-28 00:22:15,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:15,636 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 00:22:15,637 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650359899] [2019-11-28 00:22:15,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:15,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:22:15,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265303545] [2019-11-28 00:22:15,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:15,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:15,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:15,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:15,639 INFO L87 Difference]: Start difference. First operand 322 states and 401 transitions. Second operand 5 states. [2019-11-28 00:22:15,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:15,744 INFO L93 Difference]: Finished difference Result 714 states and 901 transitions. [2019-11-28 00:22:15,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:22:15,744 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-28 00:22:15,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:15,748 INFO L225 Difference]: With dead ends: 714 [2019-11-28 00:22:15,748 INFO L226 Difference]: Without dead ends: 490 [2019-11-28 00:22:15,749 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:22:15,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-11-28 00:22:15,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 334. [2019-11-28 00:22:15,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-11-28 00:22:15,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 413 transitions. [2019-11-28 00:22:15,802 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 413 transitions. Word has length 58 [2019-11-28 00:22:15,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:15,803 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 413 transitions. [2019-11-28 00:22:15,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:15,803 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 413 transitions. [2019-11-28 00:22:15,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:22:15,805 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:15,805 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:15,806 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:15,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:15,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1929988421, now seen corresponding path program 1 times [2019-11-28 00:22:15,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:15,811 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878907855] [2019-11-28 00:22:15,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:15,911 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-28 00:22:15,912 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878907855] [2019-11-28 00:22:15,913 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830400471] [2019-11-28 00:22:15,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:22:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:16,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 00:22:16,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:22:16,158 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-28 00:22:16,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:22:16,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2019-11-28 00:22:16,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587927786] [2019-11-28 00:22:16,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:22:16,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:16,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:22:16,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:22:16,162 INFO L87 Difference]: Start difference. First operand 334 states and 413 transitions. Second operand 6 states. [2019-11-28 00:22:16,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:16,430 INFO L93 Difference]: Finished difference Result 1182 states and 1488 transitions. [2019-11-28 00:22:16,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:22:16,430 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-28 00:22:16,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:16,431 INFO L225 Difference]: With dead ends: 1182 [2019-11-28 00:22:16,431 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:22:16,433 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-28 00:22:16,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:22:16,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:22:16,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:22:16,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:22:16,434 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-28 00:22:16,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:16,434 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:22:16,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:22:16,434 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:22:16,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:22:16,641 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:22:16,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:22:16,901 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 108 [2019-11-28 00:22:17,521 WARN L192 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 198 [2019-11-28 00:22:17,722 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 109 [2019-11-28 00:22:18,761 WARN L192 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 327 DAG size of output: 278 [2019-11-28 00:22:18,920 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2019-11-28 00:22:20,016 WARN L192 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 372 DAG size of output: 322 [2019-11-28 00:22:20,239 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 126 [2019-11-28 00:22:20,826 WARN L192 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 311 [2019-11-28 00:22:21,060 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 217 [2019-11-28 00:22:21,471 WARN L192 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 200 [2019-11-28 00:22:21,648 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 153 [2019-11-28 00:22:21,957 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 222 [2019-11-28 00:22:22,603 WARN L192 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 46 [2019-11-28 00:22:23,879 WARN L192 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 196 DAG size of output: 38 [2019-11-28 00:22:24,479 WARN L192 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 48 [2019-11-28 00:22:26,852 WARN L192 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 278 DAG size of output: 29 [2019-11-28 00:22:27,493 WARN L192 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 19 [2019-11-28 00:22:31,356 WARN L192 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 319 DAG size of output: 34 [2019-11-28 00:22:32,193 WARN L192 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 22 [2019-11-28 00:22:34,736 WARN L192 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 310 DAG size of output: 28 [2019-11-28 00:22:36,087 WARN L192 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 212 DAG size of output: 50 [2019-11-28 00:22:38,050 WARN L192 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 196 DAG size of output: 31 [2019-11-28 00:22:38,773 WARN L192 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 19 [2019-11-28 00:22:39,079 WARN L192 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2019-11-28 00:22:40,502 WARN L192 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 219 DAG size of output: 44 [2019-11-28 00:22:40,507 INFO L242 CegarLoopResult]: At program point L795(lines 780 798) the Hoare annotation is: false [2019-11-28 00:22:40,507 INFO L242 CegarLoopResult]: At program point L795-1(lines 780 798) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~systemActive~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_main_~tmp~10 1) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (<= ~waterLevel~0 2) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~7) .cse0 .cse1 .cse2 .cse3))) [2019-11-28 00:22:40,507 INFO L242 CegarLoopResult]: At program point L795-2(lines 780 798) the Hoare annotation is: false [2019-11-28 00:22:40,508 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2019-11-28 00:22:40,508 INFO L242 CegarLoopResult]: At program point L795-3(lines 780 798) the Hoare annotation is: false [2019-11-28 00:22:40,508 INFO L242 CegarLoopResult]: At program point L795-4(lines 780 798) the Hoare annotation is: false [2019-11-28 00:22:40,508 INFO L242 CegarLoopResult]: At program point L795-5(lines 780 798) the Hoare annotation is: false [2019-11-28 00:22:40,508 INFO L246 CegarLoopResult]: For program point L432(lines 432 436) no Hoare annotation was computed. [2019-11-28 00:22:40,509 INFO L242 CegarLoopResult]: At program point L896-2(lines 896 910) the Hoare annotation is: false [2019-11-28 00:22:40,509 INFO L242 CegarLoopResult]: At program point L731(lines 724 734) the Hoare annotation is: false [2019-11-28 00:22:40,509 INFO L242 CegarLoopResult]: At program point L731-1(lines 724 734) the Hoare annotation is: (let ((.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) (.cse10 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse12 (<= ~waterLevel~0 2)) (.cse11 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~7)) (.cse13 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse14 (= ULTIMATE.start_main_~tmp~10 1)) (.cse15 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse0 (= 1 ~systemActive~0)) (.cse16 (not .cse2)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse17 (not .cse3)) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse5 .cse6 .cse7 .cse8 .cse17 .cse9) (and .cse1 .cse2 .cse10 .cse12 .cse3 .cse11 .cse13 .cse14 .cse15 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse16 .cse4 .cse5 .cse6 .cse7 .cse8 .cse17 .cse9)))) [2019-11-28 00:22:40,509 INFO L242 CegarLoopResult]: At program point L731-2(lines 724 734) the Hoare annotation is: false [2019-11-28 00:22:40,509 INFO L242 CegarLoopResult]: At program point L731-3(lines 724 734) the Hoare annotation is: false [2019-11-28 00:22:40,510 INFO L242 CegarLoopResult]: At program point L731-4(lines 724 734) the Hoare annotation is: false [2019-11-28 00:22:40,510 INFO L246 CegarLoopResult]: For program point L566(lines 566 586) no Hoare annotation was computed. [2019-11-28 00:22:40,510 INFO L242 CegarLoopResult]: At program point L731-5(lines 724 734) the Hoare annotation is: false [2019-11-28 00:22:40,510 INFO L246 CegarLoopResult]: For program point L566-2(lines 566 586) no Hoare annotation was computed. [2019-11-28 00:22:40,510 INFO L246 CegarLoopResult]: For program point L566-4(lines 566 586) no Hoare annotation was computed. [2019-11-28 00:22:40,510 INFO L246 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2019-11-28 00:22:40,510 INFO L246 CegarLoopResult]: For program point L831(lines 830 875) no Hoare annotation was computed. [2019-11-28 00:22:40,511 INFO L246 CegarLoopResult]: For program point L832(lines 832 836) no Hoare annotation was computed. [2019-11-28 00:22:40,511 INFO L242 CegarLoopResult]: At program point L502(lines 493 506) the Hoare annotation is: false [2019-11-28 00:22:40,511 INFO L242 CegarLoopResult]: At program point L502-1(lines 493 506) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= ~waterLevel~0 2) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4))) [2019-11-28 00:22:40,511 INFO L242 CegarLoopResult]: At program point L502-2(lines 493 506) the Hoare annotation is: false [2019-11-28 00:22:40,511 INFO L242 CegarLoopResult]: At program point L502-3(lines 493 506) the Hoare annotation is: false [2019-11-28 00:22:40,511 INFO L242 CegarLoopResult]: At program point L502-4(lines 493 506) the Hoare annotation is: false [2019-11-28 00:22:40,511 INFO L242 CegarLoopResult]: At program point L502-5(lines 493 506) the Hoare annotation is: false [2019-11-28 00:22:40,511 INFO L246 CegarLoopResult]: For program point L866(lines 866 870) no Hoare annotation was computed. [2019-11-28 00:22:40,511 INFO L246 CegarLoopResult]: For program point L866-2(lines 611 617) no Hoare annotation was computed. [2019-11-28 00:22:40,512 INFO L246 CegarLoopResult]: For program point L900(lines 900 904) no Hoare annotation was computed. [2019-11-28 00:22:40,512 INFO L246 CegarLoopResult]: For program point L900-1(lines 611 617) no Hoare annotation was computed. [2019-11-28 00:22:40,512 INFO L246 CegarLoopResult]: For program point L669(lines 669 686) no Hoare annotation was computed. [2019-11-28 00:22:40,512 INFO L246 CegarLoopResult]: For program point L669-1(lines 669 686) no Hoare annotation was computed. [2019-11-28 00:22:40,512 INFO L246 CegarLoopResult]: For program point L669-2(lines 669 686) no Hoare annotation was computed. [2019-11-28 00:22:40,512 INFO L246 CegarLoopResult]: For program point L967(lines 967 974) no Hoare annotation was computed. [2019-11-28 00:22:40,512 INFO L249 CegarLoopResult]: At program point L967-1(lines 967 974) the Hoare annotation is: true [2019-11-28 00:22:40,512 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2019-11-28 00:22:40,512 INFO L246 CegarLoopResult]: For program point L572(lines 572 585) no Hoare annotation was computed. [2019-11-28 00:22:40,513 INFO L242 CegarLoopResult]: At program point L572-1(lines 1 979) the Hoare annotation is: (let ((.cse11 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse10 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3)) (.cse9 (= 0 ~methaneLevelCritical~0))) (let ((.cse6 (= ~pumpRunning~0 0)) (.cse1 (not .cse9)) (.cse5 (not .cse10)) (.cse7 (not .cse11)) (.cse12 (= 0 ULTIMATE.start_activatePump_~tmp~6)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse13 (= ~pumpRunning~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 (= 1 ~waterLevel~0) .cse3 .cse4 .cse6 .cse8) (and (= |ULTIMATE.start_valid_product_#res| 1) .cse10 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1) .cse9 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse11 (<= ~waterLevel~0 1) .cse3 .cse4 .cse6 .cse8) (and .cse12 .cse0 .cse1 .cse2 .cse13 .cse3 .cse4 .cse5 .cse7 .cse8) (and .cse12 .cse0 .cse10 .cse9 .cse2 .cse11 .cse13 .cse3 .cse4 .cse8)))) [2019-11-28 00:22:40,513 INFO L246 CegarLoopResult]: For program point L572-2(lines 572 585) no Hoare annotation was computed. [2019-11-28 00:22:40,513 INFO L242 CegarLoopResult]: At program point L572-3(lines 1 979) the Hoare annotation is: false [2019-11-28 00:22:40,513 INFO L246 CegarLoopResult]: For program point L572-4(lines 572 585) no Hoare annotation was computed. [2019-11-28 00:22:40,514 INFO L242 CegarLoopResult]: At program point L572-5(lines 1 979) the Hoare annotation is: false [2019-11-28 00:22:40,514 INFO L246 CegarLoopResult]: For program point L706(lines 706 712) no Hoare annotation was computed. [2019-11-28 00:22:40,514 INFO L246 CegarLoopResult]: For program point L673(lines 673 681) no Hoare annotation was computed. [2019-11-28 00:22:40,514 INFO L246 CegarLoopResult]: For program point L706-2(lines 706 712) no Hoare annotation was computed. [2019-11-28 00:22:40,514 INFO L246 CegarLoopResult]: For program point L673-1(lines 673 681) no Hoare annotation was computed. [2019-11-28 00:22:40,514 INFO L246 CegarLoopResult]: For program point L673-2(lines 673 681) no Hoare annotation was computed. [2019-11-28 00:22:40,514 INFO L246 CegarLoopResult]: For program point L706-4(lines 706 712) no Hoare annotation was computed. [2019-11-28 00:22:40,514 INFO L246 CegarLoopResult]: For program point L706-6(lines 706 712) no Hoare annotation was computed. [2019-11-28 00:22:40,514 INFO L246 CegarLoopResult]: For program point L706-8(lines 706 712) no Hoare annotation was computed. [2019-11-28 00:22:40,514 INFO L246 CegarLoopResult]: For program point L706-10(lines 706 712) no Hoare annotation was computed. [2019-11-28 00:22:40,515 INFO L242 CegarLoopResult]: At program point L740(lines 735 743) the Hoare annotation is: (and (= 0 ULTIMATE.start_activatePump_~tmp~6) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3) (= ULTIMATE.start_main_~tmp~10 1) (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:40,515 INFO L242 CegarLoopResult]: At program point L740-1(lines 735 743) the Hoare annotation is: false [2019-11-28 00:22:40,515 INFO L242 CegarLoopResult]: At program point L740-2(lines 735 743) the Hoare annotation is: false [2019-11-28 00:22:40,515 INFO L242 CegarLoopResult]: At program point L542(lines 1 979) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:40,515 INFO L246 CegarLoopResult]: For program point L840(lines 840 846) no Hoare annotation was computed. [2019-11-28 00:22:40,515 INFO L242 CegarLoopResult]: At program point L840-1(lines 840 846) the Hoare annotation is: (let ((.cse14 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse13 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3))) (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse11 (not .cse13)) (.cse5 (= ~pumpRunning~0 0)) (.cse12 (not .cse14)) (.cse7 (= 0 ULTIMATE.start_activatePump_~tmp~6)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse10 (= ~pumpRunning~0 1)) (.cse4 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 (not .cse1) .cse2 .cse10 .cse4 .cse11 .cse12 .cse6) (and .cse0 .cse2 .cse3 .cse11 .cse4 .cse5 .cse12 .cse6) (and .cse7 .cse8 .cse13 .cse9 .cse1 .cse2 .cse14 .cse10 .cse4 .cse6)))) [2019-11-28 00:22:40,515 INFO L246 CegarLoopResult]: For program point L576(lines 576 582) no Hoare annotation was computed. [2019-11-28 00:22:40,515 INFO L246 CegarLoopResult]: For program point L576-2(lines 576 582) no Hoare annotation was computed. [2019-11-28 00:22:40,516 INFO L246 CegarLoopResult]: For program point L444(lines 444 448) no Hoare annotation was computed. [2019-11-28 00:22:40,516 INFO L246 CegarLoopResult]: For program point L576-4(lines 576 582) no Hoare annotation was computed. [2019-11-28 00:22:40,516 INFO L246 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2019-11-28 00:22:40,516 INFO L246 CegarLoopResult]: For program point L808-2(lines 808 812) no Hoare annotation was computed. [2019-11-28 00:22:40,516 INFO L246 CegarLoopResult]: For program point L808-3(lines 808 812) no Hoare annotation was computed. [2019-11-28 00:22:40,516 INFO L246 CegarLoopResult]: For program point L643(lines 643 660) no Hoare annotation was computed. [2019-11-28 00:22:40,516 INFO L246 CegarLoopResult]: For program point L808-5(lines 808 812) no Hoare annotation was computed. [2019-11-28 00:22:40,516 INFO L246 CegarLoopResult]: For program point L643-1(lines 643 660) no Hoare annotation was computed. [2019-11-28 00:22:40,516 INFO L246 CegarLoopResult]: For program point L808-6(lines 808 812) no Hoare annotation was computed. [2019-11-28 00:22:40,516 INFO L246 CegarLoopResult]: For program point L643-2(lines 643 660) no Hoare annotation was computed. [2019-11-28 00:22:40,517 INFO L246 CegarLoopResult]: For program point L643-3(lines 643 660) no Hoare annotation was computed. [2019-11-28 00:22:40,517 INFO L246 CegarLoopResult]: For program point L808-8(lines 808 812) no Hoare annotation was computed. [2019-11-28 00:22:40,517 INFO L246 CegarLoopResult]: For program point L643-4(lines 643 660) no Hoare annotation was computed. [2019-11-28 00:22:40,517 INFO L246 CegarLoopResult]: For program point L643-5(lines 643 660) no Hoare annotation was computed. [2019-11-28 00:22:40,517 INFO L242 CegarLoopResult]: At program point L611(lines 610 629) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) .cse0 (= ~pumpRunning~0 0) .cse1) (and (= 0 ULTIMATE.start_activatePump_~tmp~6) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) .cse0 .cse1))) [2019-11-28 00:22:40,517 INFO L246 CegarLoopResult]: For program point L611-1(lines 611 617) no Hoare annotation was computed. [2019-11-28 00:22:40,517 INFO L242 CegarLoopResult]: At program point L611-2(lines 610 629) the Hoare annotation is: false [2019-11-28 00:22:40,518 INFO L242 CegarLoopResult]: At program point L512(lines 507 515) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ULTIMATE.start_activatePump_~tmp~6) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:40,518 INFO L242 CegarLoopResult]: At program point L611-3(lines 610 629) the Hoare annotation is: false [2019-11-28 00:22:40,518 INFO L242 CegarLoopResult]: At program point L512-1(lines 507 515) the Hoare annotation is: false [2019-11-28 00:22:40,518 INFO L242 CegarLoopResult]: At program point L512-2(lines 507 515) the Hoare annotation is: false [2019-11-28 00:22:40,518 INFO L242 CegarLoopResult]: At program point L876(lines 829 877) the Hoare annotation is: false [2019-11-28 00:22:40,518 INFO L249 CegarLoopResult]: At program point L976(lines 957 979) the Hoare annotation is: true [2019-11-28 00:22:40,518 INFO L242 CegarLoopResult]: At program point L944(lines 940 946) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:40,518 INFO L246 CegarLoopResult]: For program point L647(lines 647 655) no Hoare annotation was computed. [2019-11-28 00:22:40,519 INFO L246 CegarLoopResult]: For program point L647-1(lines 647 655) no Hoare annotation was computed. [2019-11-28 00:22:40,519 INFO L246 CegarLoopResult]: For program point L647-2(lines 647 655) no Hoare annotation was computed. [2019-11-28 00:22:40,519 INFO L246 CegarLoopResult]: For program point L647-3(lines 647 655) no Hoare annotation was computed. [2019-11-28 00:22:40,519 INFO L246 CegarLoopResult]: For program point L647-4(lines 647 655) no Hoare annotation was computed. [2019-11-28 00:22:40,519 INFO L246 CegarLoopResult]: For program point L647-5(lines 647 655) no Hoare annotation was computed. [2019-11-28 00:22:40,519 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:22:40,519 INFO L242 CegarLoopResult]: At program point L814(lines 799 817) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ULTIMATE.start_activatePump_~tmp~6) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:40,520 INFO L242 CegarLoopResult]: At program point L814-1(lines 799 817) the Hoare annotation is: false [2019-11-28 00:22:40,520 INFO L242 CegarLoopResult]: At program point L814-2(lines 799 817) the Hoare annotation is: false [2019-11-28 00:22:40,520 INFO L242 CegarLoopResult]: At program point L550(lines 545 553) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:40,520 INFO L242 CegarLoopResult]: At program point L618(lines 618 624) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4) (and (= 0 ULTIMATE.start_activatePump_~tmp~6) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) .cse5 (= ~pumpRunning~0 1) .cse2 .cse4) (and .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse5 .cse1 .cse2 .cse3 .cse4))) [2019-11-28 00:22:40,520 INFO L242 CegarLoopResult]: At program point L618-1(lines 618 624) the Hoare annotation is: false [2019-11-28 00:22:40,520 INFO L242 CegarLoopResult]: At program point L618-2(lines 618 624) the Hoare annotation is: false [2019-11-28 00:22:40,520 INFO L246 CegarLoopResult]: For program point L420(lines 420 424) no Hoare annotation was computed. [2019-11-28 00:22:40,520 INFO L246 CegarLoopResult]: For program point L420-3(lines 420 424) no Hoare annotation was computed. [2019-11-28 00:22:40,520 INFO L246 CegarLoopResult]: For program point L420-6(lines 420 424) no Hoare annotation was computed. [2019-11-28 00:22:40,521 INFO L246 CegarLoopResult]: For program point L850(lines 850 856) no Hoare annotation was computed. [2019-11-28 00:22:40,521 INFO L242 CegarLoopResult]: At program point L850-1(lines 850 856) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~systemActive~0) .cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) .cse1 (= ~pumpRunning~0 0) .cse2) (and (= 0 ULTIMATE.start_activatePump_~tmp~6) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) .cse0 (= ~pumpRunning~0 1) .cse1 .cse2))) [2019-11-28 00:22:40,521 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:22:40,521 INFO L242 CegarLoopResult]: At program point L489(lines 484 492) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ULTIMATE.start_main_~tmp~10 1) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse2 (<= ~waterLevel~0 1) .cse3 .cse4 (= ~pumpRunning~0 0) .cse5) (and (= 0 ULTIMATE.start_activatePump_~tmp~6) (= 1 ~systemActive~0) .cse0 .cse1 (<= ~waterLevel~0 2) .cse2 (= ~pumpRunning~0 1) .cse3 .cse4 .cse5))) [2019-11-28 00:22:40,521 INFO L242 CegarLoopResult]: At program point L489-1(lines 484 492) the Hoare annotation is: false [2019-11-28 00:22:40,521 INFO L242 CegarLoopResult]: At program point L489-2(lines 484 492) the Hoare annotation is: false [2019-11-28 00:22:40,521 INFO L242 CegarLoopResult]: At program point L457(lines 452 460) the Hoare annotation is: false [2019-11-28 00:22:40,521 INFO L242 CegarLoopResult]: At program point L457-1(lines 452 460) the Hoare annotation is: (let ((.cse14 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse13 (= 0 ~methaneLevelCritical~0))) (let ((.cse0 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~7)) (.cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse4 (= ULTIMATE.start_main_~tmp~10 1)) (.cse5 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse15 (= 1 ~systemActive~0)) (.cse6 (not .cse13)) (.cse16 (<= ~waterLevel~0 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse8 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse11 (not .cse14)) (.cse12 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse0 .cse2 .cse14 .cse1 .cse3 .cse4 .cse5 .cse7 .cse8 .cse9 .cse10 .cse12) (and .cse15 .cse13 .cse14 .cse16 .cse7 .cse8 .cse9 .cse10 .cse12) (and .cse15 .cse6 .cse16 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12)))) [2019-11-28 00:22:40,522 INFO L242 CegarLoopResult]: At program point L457-2(lines 452 460) the Hoare annotation is: (let ((.cse11 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse10 (= 0 ~methaneLevelCritical~0))) (let ((.cse2 (not .cse10)) (.cse7 (not .cse11)) (.cse9 (= ~pumpRunning~0 0)) (.cse0 (= 0 ULTIMATE.start_activatePump_~tmp~6)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse2 .cse3 .cse5 .cse6 .cse9 .cse7 .cse8) (and .cse1 .cse10 .cse11 (<= ~waterLevel~0 1) .cse5 .cse6 .cse9 .cse8) (and .cse0 .cse1 .cse10 .cse3 .cse11 .cse4 .cse5 .cse6 .cse8)))) [2019-11-28 00:22:40,522 INFO L242 CegarLoopResult]: At program point L457-3(lines 452 460) the Hoare annotation is: false [2019-11-28 00:22:40,522 INFO L242 CegarLoopResult]: At program point L457-4(lines 452 460) the Hoare annotation is: false [2019-11-28 00:22:40,522 INFO L242 CegarLoopResult]: At program point L457-5(lines 452 460) the Hoare annotation is: false [2019-11-28 00:22:40,522 INFO L242 CegarLoopResult]: At program point L457-6(lines 452 460) the Hoare annotation is: false [2019-11-28 00:22:40,522 INFO L242 CegarLoopResult]: At program point L457-7(lines 452 460) the Hoare annotation is: false [2019-11-28 00:22:40,522 INFO L242 CegarLoopResult]: At program point L457-8(lines 452 460) the Hoare annotation is: false [2019-11-28 00:22:40,522 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:22:40,522 INFO L246 CegarLoopResult]: For program point L789(lines 789 793) no Hoare annotation was computed. [2019-11-28 00:22:40,522 INFO L246 CegarLoopResult]: For program point L789-2(lines 789 793) no Hoare annotation was computed. [2019-11-28 00:22:40,522 INFO L246 CegarLoopResult]: For program point L789-3(lines 789 793) no Hoare annotation was computed. [2019-11-28 00:22:40,523 INFO L246 CegarLoopResult]: For program point L789-5(lines 789 793) no Hoare annotation was computed. [2019-11-28 00:22:40,523 INFO L246 CegarLoopResult]: For program point L789-6(lines 789 793) no Hoare annotation was computed. [2019-11-28 00:22:40,523 INFO L246 CegarLoopResult]: For program point L789-8(lines 789 793) no Hoare annotation was computed. [2019-11-28 00:22:40,523 INFO L246 CegarLoopResult]: For program point L789-9(lines 789 793) no Hoare annotation was computed. [2019-11-28 00:22:40,523 INFO L246 CegarLoopResult]: For program point L789-11(lines 789 793) no Hoare annotation was computed. [2019-11-28 00:22:40,523 INFO L246 CegarLoopResult]: For program point L789-12(lines 789 793) no Hoare annotation was computed. [2019-11-28 00:22:40,523 INFO L246 CegarLoopResult]: For program point L789-14(lines 789 793) no Hoare annotation was computed. [2019-11-28 00:22:40,523 INFO L246 CegarLoopResult]: For program point L789-15(lines 789 793) no Hoare annotation was computed. [2019-11-28 00:22:40,523 INFO L246 CegarLoopResult]: For program point L789-17(lines 789 793) no Hoare annotation was computed. [2019-11-28 00:22:40,523 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:22:40,524 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2019-11-28 00:22:40,524 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-28 00:22:40,524 INFO L246 CegarLoopResult]: For program point L595-1(line 595) no Hoare annotation was computed. [2019-11-28 00:22:40,524 INFO L246 CegarLoopResult]: For program point L595-2(line 595) no Hoare annotation was computed. [2019-11-28 00:22:40,524 INFO L246 CegarLoopResult]: For program point L860(lines 860 871) no Hoare annotation was computed. [2019-11-28 00:22:40,524 INFO L246 CegarLoopResult]: For program point L497(lines 497 503) no Hoare annotation was computed. [2019-11-28 00:22:40,524 INFO L246 CegarLoopResult]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2019-11-28 00:22:40,524 INFO L246 CegarLoopResult]: For program point L497-2(lines 497 503) no Hoare annotation was computed. [2019-11-28 00:22:40,524 INFO L246 CegarLoopResult]: For program point L497-3(lines 497 503) no Hoare annotation was computed. [2019-11-28 00:22:40,524 INFO L246 CegarLoopResult]: For program point L497-4(lines 497 503) no Hoare annotation was computed. [2019-11-28 00:22:40,524 INFO L246 CegarLoopResult]: For program point L497-5(lines 497 503) no Hoare annotation was computed. [2019-11-28 00:22:40,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:22:40 BoogieIcfgContainer [2019-11-28 00:22:40,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:22:40,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:22:40,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:22:40,565 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:22:40,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:11" (3/4) ... [2019-11-28 00:22:40,569 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:22:40,590 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:22:40,592 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:22:40,593 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:22:40,594 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:22:40,595 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:22:40,597 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:40,598 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:40,629 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 00:22:40,629 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0 [2019-11-28 00:22:40,629 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((1 == systemActive && !(0 == methaneLevelCritical)) && waterLevel <= 2) && \result == systemActive) && tmp == systemActive) && !(0 == tmp)) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((((((\result == 1 && 0 == tmp) && tmp___0 <= 1) && 0 == methaneLevelCritical) && \result <= 1) && 0 == \result) && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((((0 == tmp && 1 == systemActive) && !(0 == methaneLevelCritical)) && waterLevel <= 2) && pumpRunning == 1) && \result == systemActive) && tmp == systemActive) && !(0 == tmp)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((0 == tmp && 1 == systemActive) && 0 == tmp) && 0 == methaneLevelCritical) && waterLevel <= 2) && 0 == \result) && pumpRunning == 1) && \result == systemActive) && tmp == systemActive) && 0 == splverifierCounter) [2019-11-28 00:22:40,630 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 2) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((((0 == tmp && \result == 1) && tmp == 1) && !(0 == methaneLevelCritical)) && waterLevel <= 2) && pumpRunning == 1) && tmp == systemActive) && !(0 == tmp)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((1 == systemActive && waterLevel <= 2) && \result == systemActive) && !(0 == tmp)) && tmp == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((0 == tmp && \result == 1) && 0 == tmp) && tmp == 1) && 0 == methaneLevelCritical) && waterLevel <= 2) && 0 == \result) && pumpRunning == 1) && tmp == systemActive) && 0 == splverifierCounter) [2019-11-28 00:22:40,630 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == tmp && \result == 1) && tmp == 1) && waterLevel <= 2) && pumpRunning == 1) && tmp == systemActive) && 0 == splverifierCounter) [2019-11-28 00:22:40,631 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == tmp && \result == 1) && tmp == 1) && waterLevel <= 1) && pumpRunning == 1) && tmp == systemActive) && 0 == splverifierCounter) [2019-11-28 00:22:40,631 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == tmp && \result == 1) && tmp == 1) && waterLevel <= 2) && pumpRunning == 1) && tmp == systemActive) && 0 == splverifierCounter)) || ((((((1 == systemActive && !(0 == methaneLevelCritical)) && waterLevel <= 2) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:22:40,632 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == tmp && 1 == systemActive) && !(0 == methaneLevelCritical)) && waterLevel <= 2) && pumpRunning == 1) && \result == systemActive) && tmp == systemActive) && !(0 == \result)) && 0 == splverifierCounter) || (((((((1 == systemActive && !(0 == methaneLevelCritical)) && waterLevel <= 2) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((((0 == tmp && 1 == systemActive) && 0 == methaneLevelCritical) && waterLevel <= 2) && 0 == \result) && pumpRunning == 1) && \result == systemActive) && tmp == systemActive) && 0 == splverifierCounter) [2019-11-28 00:22:40,633 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && \result == systemActive) && tmp == systemActive) && 0 == splverifierCounter [2019-11-28 00:22:40,634 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && tmp == 1) && waterLevel <= 2) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((tmp == 1 && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:22:40,634 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == tmp && tmp == 1) && 0 == methaneLevelCritical) && \result <= 1) && 0 == \result) && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((((0 == tmp && 1 == systemActive) && 0 == tmp) && 0 == methaneLevelCritical) && waterLevel <= 2) && 0 == \result) && pumpRunning == 1) && \result == systemActive) && tmp == systemActive) && 0 == splverifierCounter) [2019-11-28 00:22:40,634 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && \result == systemActive) && tmp == systemActive) && 0 == splverifierCounter [2019-11-28 00:22:40,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((((\result == 0 && tmp == 1) && !(0 == \result)) && !(0 == tmp___0)) && waterLevel <= 2) && 0 == tmp) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:22:40,636 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == tmp && 0 == tmp) && tmp == 1) && 0 == methaneLevelCritical) && waterLevel <= 2) && 0 == \result) && pumpRunning == 1) && \result == systemActive) && tmp == systemActive) && \result == 1) && 0 == splverifierCounter [2019-11-28 00:22:40,637 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(0 == \result) && 0 == tmp) && waterLevel <= 2) && \result == 0) && tmp == 1) && !(0 == tmp___0)) && !(0 == methaneLevelCritical)) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(tmp == 0)) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((((((0 == methaneLevelCritical && !(0 == \result)) && waterLevel <= 2) && 0 == \result) && 0 == tmp) && \result == 0) && tmp == 1) && !(0 == tmp___0)) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(tmp == 0)) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(tmp == 0)) && 0 == splverifierCounter)) || ((((((((1 == systemActive && !(0 == methaneLevelCritical)) && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(tmp == 0)) && !(0 == \result)) && 0 == splverifierCounter) [2019-11-28 00:22:40,638 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((1 == systemActive && 0 == \result) && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(tmp == 0)) && 0 == splverifierCounter) || ((((((((((((!(0 == \result) && 0 == tmp) && waterLevel <= 2) && \result == 0) && tmp == 1) && !(0 == tmp___0)) && !(0 == methaneLevelCritical)) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(tmp == 0)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((((((0 == \result && 0 == methaneLevelCritical) && !(0 == \result)) && waterLevel <= 2) && 0 == \result) && 0 == tmp) && \result == 0) && tmp == 1) && !(0 == tmp___0)) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(tmp == 0)) && 0 == splverifierCounter)) || ((((((((1 == systemActive && !(0 == methaneLevelCritical)) && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(tmp == 0)) && !(0 == \result)) && 0 == splverifierCounter) [2019-11-28 00:22:40,745 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:22:40,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:22:40,747 INFO L168 Benchmark]: Toolchain (without parser) took 31020.65 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 718.3 MB). Free memory was 952.3 MB in the beginning and 1.6 GB in the end (delta: -689.1 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:40,747 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:22:40,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:40,748 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:40,748 INFO L168 Benchmark]: Boogie Preprocessor took 57.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:40,749 INFO L168 Benchmark]: RCFGBuilder took 1012.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:40,749 INFO L168 Benchmark]: TraceAbstraction took 29062.55 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 601.4 MB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -646.2 MB). Peak memory consumption was 826.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:40,750 INFO L168 Benchmark]: Witness Printer took 180.54 ms. Allocated memory is still 1.7 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:40,754 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 614.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1012.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29062.55 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 601.4 MB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -646.2 MB). Peak memory consumption was 826.1 MB. Max. memory is 11.5 GB. * Witness Printer took 180.54 ms. Allocated memory is still 1.7 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 595]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 595]: 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: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: ((((((((((((((!(0 == \result) && 0 == tmp) && waterLevel <= 2) && \result == 0) && tmp == 1) && !(0 == tmp___0)) && !(0 == methaneLevelCritical)) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(tmp == 0)) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((((((0 == methaneLevelCritical && !(0 == \result)) && waterLevel <= 2) && 0 == \result) && 0 == tmp) && \result == 0) && tmp == 1) && !(0 == tmp___0)) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(tmp == 0)) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(tmp == 0)) && 0 == splverifierCounter)) || ((((((((1 == systemActive && !(0 == methaneLevelCritical)) && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(tmp == 0)) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: ((((((((((0 == tmp && 1 == systemActive) && !(0 == methaneLevelCritical)) && waterLevel <= 2) && pumpRunning == 1) && \result == systemActive) && tmp == systemActive) && !(0 == \result)) && 0 == splverifierCounter) || (((((((1 == systemActive && !(0 == methaneLevelCritical)) && waterLevel <= 2) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((((0 == tmp && 1 == systemActive) && 0 == methaneLevelCritical) && waterLevel <= 2) && 0 == \result) && pumpRunning == 1) && \result == systemActive) && tmp == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: (((((((((((1 == systemActive && 0 == \result) && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(tmp == 0)) && 0 == splverifierCounter) || ((((((((((((!(0 == \result) && 0 == tmp) && waterLevel <= 2) && \result == 0) && tmp == 1) && !(0 == tmp___0)) && !(0 == methaneLevelCritical)) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(tmp == 0)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((((((0 == \result && 0 == methaneLevelCritical) && !(0 == \result)) && waterLevel <= 2) && 0 == \result) && 0 == tmp) && \result == 0) && tmp == 1) && !(0 == tmp___0)) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(tmp == 0)) && 0 == splverifierCounter)) || ((((((((1 == systemActive && !(0 == methaneLevelCritical)) && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && !(tmp == 0)) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == tmp && \result == 1) && tmp == 1) && waterLevel <= 1) && pumpRunning == 1) && tmp == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && \result == systemActive) && tmp == systemActive) && 0 == splverifierCounter - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == tmp && \result == 1) && tmp == 1) && waterLevel <= 2) && pumpRunning == 1) && tmp == systemActive) && 0 == splverifierCounter)) || ((((((1 == systemActive && !(0 == methaneLevelCritical)) && waterLevel <= 2) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: ((((tmp == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: (((((((((0 == tmp && 0 == tmp) && tmp == 1) && 0 == methaneLevelCritical) && waterLevel <= 2) && 0 == \result) && pumpRunning == 1) && \result == systemActive) && tmp == systemActive) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((((((\result == 0 && tmp == 1) && waterLevel <= 2) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((tmp == 1 && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == tmp && \result == 1) && tmp == 1) && waterLevel <= 2) && pumpRunning == 1) && tmp == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((1 == systemActive && !(0 == methaneLevelCritical)) && waterLevel <= 2) && \result == systemActive) && tmp == systemActive) && !(0 == tmp)) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((((((\result == 1 && 0 == tmp) && tmp___0 <= 1) && 0 == methaneLevelCritical) && \result <= 1) && 0 == \result) && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((((0 == tmp && 1 == systemActive) && !(0 == methaneLevelCritical)) && waterLevel <= 2) && pumpRunning == 1) && \result == systemActive) && tmp == systemActive) && !(0 == tmp)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((0 == tmp && 1 == systemActive) && 0 == tmp) && 0 == methaneLevelCritical) && waterLevel <= 2) && 0 == \result) && pumpRunning == 1) && \result == systemActive) && tmp == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((((\result == 0 && tmp == 1) && !(0 == \result)) && !(0 == tmp___0)) && waterLevel <= 2) && 0 == tmp) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && \result == systemActive) && tmp == systemActive) && 0 == splverifierCounter - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: (((((((((0 == tmp && tmp == 1) && 0 == methaneLevelCritical) && \result <= 1) && 0 == \result) && waterLevel <= 1) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((((0 == tmp && 1 == systemActive) && 0 == tmp) && 0 == methaneLevelCritical) && waterLevel <= 2) && 0 == \result) && pumpRunning == 1) && \result == systemActive) && tmp == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 2) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((((0 == tmp && \result == 1) && tmp == 1) && !(0 == methaneLevelCritical)) && waterLevel <= 2) && pumpRunning == 1) && tmp == systemActive) && !(0 == tmp)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((1 == systemActive && waterLevel <= 2) && \result == systemActive) && !(0 == tmp)) && tmp == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((0 == tmp && \result == 1) && 0 == tmp) && tmp == 1) && 0 == methaneLevelCritical) && waterLevel <= 2) && 0 == \result) && pumpRunning == 1) && tmp == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Result: SAFE, OverallTime: 5.0s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.8s, HoareTripleCheckerStatistics: 1744 SDtfs, 3249 SDslu, 3124 SDs, 0 SdLazy, 460 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 3079 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 397 NumberOfFragments, 1156 HoareAnnotationTreeSize, 57 FomulaSimplifications, 37684541 FormulaSimplificationTreeSizeReduction, 5.3s HoareSimplificationTime, 57 FomulaSimplificationsInter, 6845974 FormulaSimplificationTreeSizeReductionInter, 18.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 46385 SizeOfPredicates, 4 NumberOfNonLiveVariables, 437 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 54/62 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...