./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product36.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_spec5_product36.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 69211a6a9810795915a638c419bc12fc6aa00ac5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:23:32,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:23:32,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:23:32,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:23:32,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:23:32,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:23:32,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:23:32,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:23:32,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:23:32,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:23:32,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:23:32,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:23:32,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:23:32,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:23:32,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:23:32,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:23:32,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:23:32,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:23:32,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:23:32,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:23:32,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:23:32,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:23:32,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:23:32,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:23:32,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:23:32,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:23:32,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:23:32,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:23:32,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:23:32,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:23:32,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:23:32,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:23:32,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:23:32,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:23:32,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:23:32,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:23:32,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:23:32,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:23:32,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:23:32,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:23:32,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:23:32,306 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:23:32,334 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:23:32,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:23:32,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:23:32,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:23:32,336 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:23:32,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:23:32,337 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:23:32,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:23:32,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:23:32,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:23:32,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:23:32,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:23:32,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:23:32,339 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:23:32,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:23:32,340 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:23:32,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:23:32,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:23:32,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:23:32,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:23:32,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:23:32,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:23:32,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:23:32,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:23:32,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:23:32,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:23:32,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:23:32,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:23:32,342 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 -> 69211a6a9810795915a638c419bc12fc6aa00ac5 [2019-11-28 00:23:32,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:23:32,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:23:32,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:23:32,667 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:23:32,667 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:23:32,668 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2019-11-28 00:23:32,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16a088456/b0ccaf52dbb7459390354c1cc71cd7ab/FLAG8dd4cdf32 [2019-11-28 00:23:33,280 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:23:33,285 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2019-11-28 00:23:33,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16a088456/b0ccaf52dbb7459390354c1cc71cd7ab/FLAG8dd4cdf32 [2019-11-28 00:23:33,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16a088456/b0ccaf52dbb7459390354c1cc71cd7ab [2019-11-28 00:23:33,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:23:33,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:23:33,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:33,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:23:33,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:23:33,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:33" (1/1) ... [2019-11-28 00:23:33,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76344466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:33, skipping insertion in model container [2019-11-28 00:23:33,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:33" (1/1) ... [2019-11-28 00:23:33,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:23:33,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:23:34,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:34,123 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:23:34,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:34,256 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:23:34,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34 WrapperNode [2019-11-28 00:23:34,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:34,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:34,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:23:34,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:23:34,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:34,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:23:34,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:23:34,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:23:34,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:23:34,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:23:34,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:23:34,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:23:34,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (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 00:23:34,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:23:34,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:23:34,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:23:34,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:23:35,213 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:23:35,213 INFO L297 CfgBuilder]: Removed 116 assume(true) statements. [2019-11-28 00:23:35,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:35 BoogieIcfgContainer [2019-11-28 00:23:35,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:23:35,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:23:35,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:23:35,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:23:35,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:23:33" (1/3) ... [2019-11-28 00:23:35,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2740308b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:35, skipping insertion in model container [2019-11-28 00:23:35,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34" (2/3) ... [2019-11-28 00:23:35,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2740308b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:35, skipping insertion in model container [2019-11-28 00:23:35,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:35" (3/3) ... [2019-11-28 00:23:35,223 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2019-11-28 00:23:35,234 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:23:35,242 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:23:35,255 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:23:35,283 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:23:35,283 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:23:35,283 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:23:35,283 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:23:35,284 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:23:35,284 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:23:35,284 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:23:35,284 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:23:35,304 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2019-11-28 00:23:35,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:23:35,312 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:35,314 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 00:23:35,314 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:35,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:35,321 INFO L82 PathProgramCache]: Analyzing trace with hash 795545809, now seen corresponding path program 1 times [2019-11-28 00:23:35,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:35,329 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46374370] [2019-11-28 00:23:35,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:35,590 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 00:23:35,591 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46374370] [2019-11-28 00:23:35,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:35,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:35,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340596060] [2019-11-28 00:23:35,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:23:35,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:35,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:23:35,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:23:35,611 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2019-11-28 00:23:35,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:35,641 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2019-11-28 00:23:35,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:23:35,643 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-28 00:23:35,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:35,657 INFO L225 Difference]: With dead ends: 171 [2019-11-28 00:23:35,657 INFO L226 Difference]: Without dead ends: 85 [2019-11-28 00:23:35,660 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 00:23:35,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-11-28 00:23:35,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-11-28 00:23:35,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-28 00:23:35,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2019-11-28 00:23:35,709 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2019-11-28 00:23:35,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:35,709 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2019-11-28 00:23:35,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:23:35,710 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2019-11-28 00:23:35,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 00:23:35,711 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:35,712 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] [2019-11-28 00:23:35,712 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:35,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:35,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1693401934, now seen corresponding path program 1 times [2019-11-28 00:23:35,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:35,713 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740603178] [2019-11-28 00:23:35,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:35,861 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 00:23:35,862 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740603178] [2019-11-28 00:23:35,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:35,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:23:35,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360854542] [2019-11-28 00:23:35,864 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:35,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:35,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:35,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:35,865 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2019-11-28 00:23:35,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:35,878 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2019-11-28 00:23:35,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:35,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 00:23:35,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:35,880 INFO L225 Difference]: With dead ends: 85 [2019-11-28 00:23:35,881 INFO L226 Difference]: Without dead ends: 40 [2019-11-28 00:23:35,882 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 00:23:35,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-28 00:23:35,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-28 00:23:35,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-28 00:23:35,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2019-11-28 00:23:35,889 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2019-11-28 00:23:35,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:35,889 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2019-11-28 00:23:35,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:35,890 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2019-11-28 00:23:35,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:23:35,892 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:35,893 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 00:23:35,893 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:35,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:35,894 INFO L82 PathProgramCache]: Analyzing trace with hash -657926814, now seen corresponding path program 1 times [2019-11-28 00:23:35,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:35,895 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740669181] [2019-11-28 00:23:35,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:36,045 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 00:23:36,045 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740669181] [2019-11-28 00:23:36,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:36,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:23:36,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533799023] [2019-11-28 00:23:36,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:36,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:36,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:36,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:36,049 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 3 states. [2019-11-28 00:23:36,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:36,110 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2019-11-28 00:23:36,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:36,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:23:36,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:36,116 INFO L225 Difference]: With dead ends: 106 [2019-11-28 00:23:36,118 INFO L226 Difference]: Without dead ends: 73 [2019-11-28 00:23:36,119 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 00:23:36,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-11-28 00:23:36,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2019-11-28 00:23:36,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-11-28 00:23:36,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2019-11-28 00:23:36,145 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 26 [2019-11-28 00:23:36,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:36,147 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2019-11-28 00:23:36,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:36,148 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2019-11-28 00:23:36,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 00:23:36,150 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:36,151 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:36,151 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:36,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:36,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1225410363, now seen corresponding path program 1 times [2019-11-28 00:23:36,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:36,153 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693973504] [2019-11-28 00:23:36,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:36,266 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 00:23:36,267 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693973504] [2019-11-28 00:23:36,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:36,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:36,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796989844] [2019-11-28 00:23:36,268 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:36,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:36,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:36,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:36,271 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand 3 states. [2019-11-28 00:23:36,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:36,329 INFO L93 Difference]: Finished difference Result 178 states and 263 transitions. [2019-11-28 00:23:36,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:36,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-28 00:23:36,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:36,332 INFO L225 Difference]: With dead ends: 178 [2019-11-28 00:23:36,332 INFO L226 Difference]: Without dead ends: 116 [2019-11-28 00:23:36,333 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 00:23:36,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-28 00:23:36,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2019-11-28 00:23:36,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-28 00:23:36,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2019-11-28 00:23:36,349 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 27 [2019-11-28 00:23:36,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:36,349 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2019-11-28 00:23:36,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:36,350 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2019-11-28 00:23:36,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 00:23:36,351 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:36,352 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] [2019-11-28 00:23:36,352 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:36,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:36,353 INFO L82 PathProgramCache]: Analyzing trace with hash -88733333, now seen corresponding path program 1 times [2019-11-28 00:23:36,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:36,353 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390939504] [2019-11-28 00:23:36,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:36,441 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 00:23:36,442 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390939504] [2019-11-28 00:23:36,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:36,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:23:36,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505048994] [2019-11-28 00:23:36,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:36,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:36,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:36,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:36,444 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand 5 states. [2019-11-28 00:23:36,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:36,687 INFO L93 Difference]: Finished difference Result 405 states and 585 transitions. [2019-11-28 00:23:36,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:36,688 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-28 00:23:36,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:36,695 INFO L225 Difference]: With dead ends: 405 [2019-11-28 00:23:36,698 INFO L226 Difference]: Without dead ends: 298 [2019-11-28 00:23:36,699 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:23:36,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2019-11-28 00:23:36,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 112. [2019-11-28 00:23:36,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-11-28 00:23:36,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2019-11-28 00:23:36,741 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 29 [2019-11-28 00:23:36,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:36,741 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2019-11-28 00:23:36,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:36,742 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2019-11-28 00:23:36,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:23:36,744 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:36,744 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:36,744 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:36,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:36,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1397643050, now seen corresponding path program 1 times [2019-11-28 00:23:36,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:36,746 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502225409] [2019-11-28 00:23:36,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:36,826 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 00:23:36,826 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502225409] [2019-11-28 00:23:36,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:36,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:36,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408472060] [2019-11-28 00:23:36,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:36,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:36,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:36,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:36,829 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand 5 states. [2019-11-28 00:23:36,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:36,910 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2019-11-28 00:23:36,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:23:36,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 00:23:36,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:36,913 INFO L225 Difference]: With dead ends: 304 [2019-11-28 00:23:36,914 INFO L226 Difference]: Without dead ends: 199 [2019-11-28 00:23:36,916 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 00:23:36,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2019-11-28 00:23:36,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 118. [2019-11-28 00:23:36,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-28 00:23:36,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2019-11-28 00:23:36,944 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 33 [2019-11-28 00:23:36,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:36,945 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2019-11-28 00:23:36,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:36,945 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2019-11-28 00:23:36,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:23:36,946 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:36,947 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 00:23:36,947 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:36,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:36,948 INFO L82 PathProgramCache]: Analyzing trace with hash 2098707628, now seen corresponding path program 1 times [2019-11-28 00:23:36,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:36,948 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983528983] [2019-11-28 00:23:36,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:37,002 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 00:23:37,002 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983528983] [2019-11-28 00:23:37,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:37,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:23:37,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826166825] [2019-11-28 00:23:37,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 00:23:37,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:37,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 00:23:37,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 00:23:37,005 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 4 states. [2019-11-28 00:23:37,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:37,055 INFO L93 Difference]: Finished difference Result 283 states and 392 transitions. [2019-11-28 00:23:37,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 00:23:37,057 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-28 00:23:37,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:37,058 INFO L225 Difference]: With dead ends: 283 [2019-11-28 00:23:37,058 INFO L226 Difference]: Without dead ends: 172 [2019-11-28 00:23:37,059 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 00:23:37,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-11-28 00:23:37,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 122. [2019-11-28 00:23:37,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-11-28 00:23:37,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2019-11-28 00:23:37,095 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 33 [2019-11-28 00:23:37,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:37,098 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2019-11-28 00:23:37,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 00:23:37,098 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2019-11-28 00:23:37,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:23:37,103 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:37,104 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 00:23:37,104 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:37,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:37,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1511901614, now seen corresponding path program 1 times [2019-11-28 00:23:37,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:37,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274699877] [2019-11-28 00:23:37,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:37,161 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 00:23:37,162 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274699877] [2019-11-28 00:23:37,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:37,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:37,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668168006] [2019-11-28 00:23:37,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:37,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:37,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:37,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:37,164 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2019-11-28 00:23:37,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:37,205 INFO L93 Difference]: Finished difference Result 293 states and 402 transitions. [2019-11-28 00:23:37,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:37,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-28 00:23:37,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:37,207 INFO L225 Difference]: With dead ends: 293 [2019-11-28 00:23:37,207 INFO L226 Difference]: Without dead ends: 178 [2019-11-28 00:23:37,208 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 00:23:37,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2019-11-28 00:23:37,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2019-11-28 00:23:37,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-11-28 00:23:37,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 237 transitions. [2019-11-28 00:23:37,229 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 237 transitions. Word has length 33 [2019-11-28 00:23:37,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:37,230 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 237 transitions. [2019-11-28 00:23:37,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:37,230 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2019-11-28 00:23:37,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:23:37,232 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:37,232 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:37,233 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:37,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:37,233 INFO L82 PathProgramCache]: Analyzing trace with hash -888433554, now seen corresponding path program 1 times [2019-11-28 00:23:37,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:37,234 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479275246] [2019-11-28 00:23:37,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:37,410 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 00:23:37,410 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479275246] [2019-11-28 00:23:37,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:37,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:23:37,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967913073] [2019-11-28 00:23:37,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:23:37,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:37,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:23:37,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:23:37,412 INFO L87 Difference]: Start difference. First operand 178 states and 237 transitions. Second operand 6 states. [2019-11-28 00:23:37,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:37,639 INFO L93 Difference]: Finished difference Result 665 states and 913 transitions. [2019-11-28 00:23:37,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:37,640 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-11-28 00:23:37,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:37,644 INFO L225 Difference]: With dead ends: 665 [2019-11-28 00:23:37,645 INFO L226 Difference]: Without dead ends: 550 [2019-11-28 00:23:37,646 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:23:37,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2019-11-28 00:23:37,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 263. [2019-11-28 00:23:37,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2019-11-28 00:23:37,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 346 transitions. [2019-11-28 00:23:37,677 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 346 transitions. Word has length 34 [2019-11-28 00:23:37,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:37,678 INFO L462 AbstractCegarLoop]: Abstraction has 263 states and 346 transitions. [2019-11-28 00:23:37,678 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:23:37,678 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 346 transitions. [2019-11-28 00:23:37,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-28 00:23:37,680 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:37,681 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] [2019-11-28 00:23:37,681 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:37,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:37,682 INFO L82 PathProgramCache]: Analyzing trace with hash -513094318, now seen corresponding path program 1 times [2019-11-28 00:23:37,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:37,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286157072] [2019-11-28 00:23:37,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:37,760 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286157072] [2019-11-28 00:23:37,761 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581427681] [2019-11-28 00:23:37,762 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 00:23:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:37,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 00:23:37,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:23:38,020 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:38,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:23:38,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-28 00:23:38,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997918789] [2019-11-28 00:23:38,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 00:23:38,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:38,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 00:23:38,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:23:38,022 INFO L87 Difference]: Start difference. First operand 263 states and 346 transitions. Second operand 8 states. [2019-11-28 00:23:38,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:38,218 INFO L93 Difference]: Finished difference Result 484 states and 647 transitions. [2019-11-28 00:23:38,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:23:38,219 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-11-28 00:23:38,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:38,219 INFO L225 Difference]: With dead ends: 484 [2019-11-28 00:23:38,219 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:23:38,222 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:23:38,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:23:38,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:23:38,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:23:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:23:38,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2019-11-28 00:23:38,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:38,223 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:23:38,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 00:23:38,224 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:23:38,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:23:38,430 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:38,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:23:39,256 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 18 [2019-11-28 00:23:39,423 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2019-11-28 00:23:39,751 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 21 [2019-11-28 00:23:39,944 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 21 [2019-11-28 00:23:40,125 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 21 [2019-11-28 00:23:40,358 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2019-11-28 00:23:40,595 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 25 [2019-11-28 00:23:40,789 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 21 [2019-11-28 00:23:40,968 INFO L246 CegarLoopResult]: For program point L894(lines 894 898) no Hoare annotation was computed. [2019-11-28 00:23:40,968 INFO L242 CegarLoopResult]: At program point L250(lines 235 253) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (<= ~waterLevel~0 1) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse0 .cse1))) [2019-11-28 00:23:40,968 INFO L242 CegarLoopResult]: At program point L250-1(lines 235 253) the Hoare annotation is: false [2019-11-28 00:23:40,969 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-28 00:23:40,969 INFO L242 CegarLoopResult]: At program point L250-2(lines 235 253) the Hoare annotation is: false [2019-11-28 00:23:40,969 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:23:40,969 INFO L246 CegarLoopResult]: For program point L846(lines 846 856) no Hoare annotation was computed. [2019-11-28 00:23:40,969 INFO L246 CegarLoopResult]: For program point L846-2(lines 846 856) no Hoare annotation was computed. [2019-11-28 00:23:40,969 INFO L246 CegarLoopResult]: For program point L846-4(lines 846 856) no Hoare annotation was computed. [2019-11-28 00:23:40,969 INFO L246 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2019-11-28 00:23:40,969 INFO L246 CegarLoopResult]: For program point L731-1(lines 731 735) no Hoare annotation was computed. [2019-11-28 00:23:40,970 INFO L246 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2019-11-28 00:23:40,970 INFO L246 CegarLoopResult]: For program point L847-2(lines 847 853) no Hoare annotation was computed. [2019-11-28 00:23:40,970 INFO L246 CegarLoopResult]: For program point L847-4(lines 847 853) no Hoare annotation was computed. [2019-11-28 00:23:40,970 INFO L242 CegarLoopResult]: At program point L831(lines 110 116) the Hoare annotation is: (let ((.cse0 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse0 .cse1) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-11-28 00:23:40,970 INFO L242 CegarLoopResult]: At program point L831-1(lines 110 116) the Hoare annotation is: false [2019-11-28 00:23:40,970 INFO L242 CegarLoopResult]: At program point L831-2(lines 110 116) the Hoare annotation is: false [2019-11-28 00:23:40,971 INFO L246 CegarLoopResult]: For program point L947(lines 947 953) no Hoare annotation was computed. [2019-11-28 00:23:40,971 INFO L246 CegarLoopResult]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2019-11-28 00:23:40,971 INFO L246 CegarLoopResult]: For program point L947-2(lines 947 953) no Hoare annotation was computed. [2019-11-28 00:23:40,971 INFO L246 CegarLoopResult]: For program point L667(lines 667 673) no Hoare annotation was computed. [2019-11-28 00:23:40,971 INFO L242 CegarLoopResult]: At program point L667-1(lines 667 673) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse2)))) [2019-11-28 00:23:40,971 INFO L246 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2019-11-28 00:23:40,971 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:40,971 INFO L246 CegarLoopResult]: For program point L800(lines 800 807) no Hoare annotation was computed. [2019-11-28 00:23:40,972 INFO L249 CegarLoopResult]: At program point L800-1(lines 800 807) the Hoare annotation is: true [2019-11-28 00:23:40,972 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:23:40,972 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-28 00:23:40,972 INFO L246 CegarLoopResult]: For program point L687(lines 687 702) no Hoare annotation was computed. [2019-11-28 00:23:40,972 INFO L246 CegarLoopResult]: For program point L142(lines 142 159) no Hoare annotation was computed. [2019-11-28 00:23:40,972 INFO L246 CegarLoopResult]: For program point L142-1(lines 142 159) no Hoare annotation was computed. [2019-11-28 00:23:40,972 INFO L246 CegarLoopResult]: For program point L142-2(lines 142 159) no Hoare annotation was computed. [2019-11-28 00:23:40,972 INFO L246 CegarLoopResult]: For program point L258(lines 258 264) no Hoare annotation was computed. [2019-11-28 00:23:40,973 INFO L242 CegarLoopResult]: At program point L258-1(lines 258 264) the Hoare annotation is: (and (= ~pumpRunning~0 0) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:40,973 INFO L242 CegarLoopResult]: At program point L952(lines 943 956) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (<= ~waterLevel~0 1) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1))) [2019-11-28 00:23:40,973 INFO L242 CegarLoopResult]: At program point L952-1(lines 943 956) the Hoare annotation is: false [2019-11-28 00:23:40,973 INFO L242 CegarLoopResult]: At program point L952-2(lines 943 956) the Hoare annotation is: false [2019-11-28 00:23:40,973 INFO L242 CegarLoopResult]: At program point L110(lines 106 128) the Hoare annotation is: (let ((.cse0 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-11-28 00:23:40,973 INFO L242 CegarLoopResult]: At program point L110-1(lines 106 128) the Hoare annotation is: false [2019-11-28 00:23:40,974 INFO L242 CegarLoopResult]: At program point L110-2(lines 106 128) the Hoare annotation is: false [2019-11-28 00:23:40,974 INFO L246 CegarLoopResult]: For program point L870(lines 870 874) no Hoare annotation was computed. [2019-11-28 00:23:40,974 INFO L246 CegarLoopResult]: For program point L870-3(lines 870 874) no Hoare annotation was computed. [2019-11-28 00:23:40,974 INFO L246 CegarLoopResult]: For program point L870-6(lines 870 874) no Hoare annotation was computed. [2019-11-28 00:23:40,974 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:23:40,974 INFO L242 CegarLoopResult]: At program point L821(lines 816 823) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:40,974 INFO L246 CegarLoopResult]: For program point L244(lines 244 248) no Hoare annotation was computed. [2019-11-28 00:23:40,974 INFO L246 CegarLoopResult]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2019-11-28 00:23:40,975 INFO L246 CegarLoopResult]: For program point L244-3(lines 244 248) no Hoare annotation was computed. [2019-11-28 00:23:40,975 INFO L246 CegarLoopResult]: For program point L244-5(lines 244 248) no Hoare annotation was computed. [2019-11-28 00:23:40,975 INFO L246 CegarLoopResult]: For program point L244-6(lines 244 248) no Hoare annotation was computed. [2019-11-28 00:23:40,975 INFO L246 CegarLoopResult]: For program point L244-8(lines 244 248) no Hoare annotation was computed. [2019-11-28 00:23:40,975 INFO L242 CegarLoopResult]: At program point L195(lines 190 198) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse4 (or .cse0 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 .cse4 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse4 .cse3)))) [2019-11-28 00:23:40,975 INFO L242 CegarLoopResult]: At program point L707(lines 656 708) the Hoare annotation is: false [2019-11-28 00:23:40,975 INFO L242 CegarLoopResult]: At program point L195-1(lines 190 198) the Hoare annotation is: (let ((.cse0 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse0 .cse1) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-11-28 00:23:40,976 INFO L242 CegarLoopResult]: At program point L195-2(lines 190 198) the Hoare annotation is: false [2019-11-28 00:23:40,976 INFO L242 CegarLoopResult]: At program point L195-3(lines 190 198) the Hoare annotation is: false [2019-11-28 00:23:40,976 INFO L242 CegarLoopResult]: At program point L195-4(lines 190 198) the Hoare annotation is: false [2019-11-28 00:23:40,976 INFO L242 CegarLoopResult]: At program point L195-5(lines 190 198) the Hoare annotation is: false [2019-11-28 00:23:40,976 INFO L246 CegarLoopResult]: For program point L658(lines 657 706) no Hoare annotation was computed. [2019-11-28 00:23:40,976 INFO L246 CegarLoopResult]: For program point L146(lines 146 154) no Hoare annotation was computed. [2019-11-28 00:23:40,976 INFO L246 CegarLoopResult]: For program point L146-1(lines 146 154) no Hoare annotation was computed. [2019-11-28 00:23:40,976 INFO L246 CegarLoopResult]: For program point L146-2(lines 146 154) no Hoare annotation was computed. [2019-11-28 00:23:40,977 INFO L242 CegarLoopResult]: At program point L939(lines 934 942) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse3 (or .cse0 (<= ~waterLevel~0 1))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse0 .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse2) (and (= ~pumpRunning~0 0) .cse3 .cse2)))) [2019-11-28 00:23:40,977 INFO L242 CegarLoopResult]: At program point L939-1(lines 934 942) the Hoare annotation is: false [2019-11-28 00:23:40,977 INFO L242 CegarLoopResult]: At program point L939-2(lines 934 942) the Hoare annotation is: false [2019-11-28 00:23:40,977 INFO L246 CegarLoopResult]: For program point L659(lines 659 663) no Hoare annotation was computed. [2019-11-28 00:23:40,977 INFO L242 CegarLoopResult]: At program point L775(lines 771 777) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:40,977 INFO L242 CegarLoopResult]: At program point L65(lines 1 956) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:40,977 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:23:40,978 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-28 00:23:40,978 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-28 00:23:40,978 INFO L246 CegarLoopResult]: For program point L82-1(line 82) no Hoare annotation was computed. [2019-11-28 00:23:40,978 INFO L246 CegarLoopResult]: For program point L82-2(line 82) no Hoare annotation was computed. [2019-11-28 00:23:40,978 INFO L246 CegarLoopResult]: For program point L842(lines 842 859) no Hoare annotation was computed. [2019-11-28 00:23:40,978 INFO L242 CegarLoopResult]: At program point L842-1(lines 1 956) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse3 (or .cse0 (<= ~waterLevel~0 1))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse0 .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse2) (and (= ~pumpRunning~0 0) .cse3 .cse2)))) [2019-11-28 00:23:40,978 INFO L249 CegarLoopResult]: At program point L809(lines 790 812) the Hoare annotation is: true [2019-11-28 00:23:40,979 INFO L246 CegarLoopResult]: For program point L842-2(lines 842 859) no Hoare annotation was computed. [2019-11-28 00:23:40,979 INFO L242 CegarLoopResult]: At program point L842-3(lines 1 956) the Hoare annotation is: false [2019-11-28 00:23:40,979 INFO L246 CegarLoopResult]: For program point L842-4(lines 842 859) no Hoare annotation was computed. [2019-11-28 00:23:40,979 INFO L246 CegarLoopResult]: For program point L677(lines 677 683) no Hoare annotation was computed. [2019-11-28 00:23:40,979 INFO L242 CegarLoopResult]: At program point L842-5(lines 1 956) the Hoare annotation is: false [2019-11-28 00:23:40,979 INFO L242 CegarLoopResult]: At program point L677-1(lines 677 683) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse2)))) [2019-11-28 00:23:40,979 INFO L242 CegarLoopResult]: At program point L727-2(lines 727 741) the Hoare annotation is: false [2019-11-28 00:23:40,979 INFO L246 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2019-11-28 00:23:40,980 INFO L246 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2019-11-28 00:23:40,980 INFO L242 CegarLoopResult]: At program point L695-1(lines 1 956) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse2)))) [2019-11-28 00:23:40,980 INFO L242 CegarLoopResult]: At program point L117(lines 117 123) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse2)))) [2019-11-28 00:23:40,980 INFO L242 CegarLoopResult]: At program point L117-1(lines 117 123) the Hoare annotation is: false [2019-11-28 00:23:40,980 INFO L242 CegarLoopResult]: At program point L117-2(lines 117 123) the Hoare annotation is: false [2019-11-28 00:23:41,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:23:41 BoogieIcfgContainer [2019-11-28 00:23:41,008 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:23:41,009 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:23:41,009 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:23:41,009 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:23:41,010 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:35" (3/4) ... [2019-11-28 00:23:41,014 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:23:41,042 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:23:41,043 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:23:41,044 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:23:41,045 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:23:41,046 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:23:41,047 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:41,047 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:41,084 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 2 && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 00:23:41,085 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-28 00:23:41,085 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-28 00:23:41,087 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-28 00:23:41,089 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 == waterLevel && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 00:23:41,089 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 00:23:41,090 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 00:23:41,090 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-28 00:23:41,092 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 2 && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 00:23:41,093 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:41,094 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 00:23:41,094 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((((0 == \result && waterLevel <= 1) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:41,198 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:23:41,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:23:41,200 INFO L168 Benchmark]: Toolchain (without parser) took 7607.78 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.3 MB). Free memory was 959.0 MB in the beginning and 1.2 GB in the end (delta: -283.8 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:41,201 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:23:41,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:41,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:41,202 INFO L168 Benchmark]: Boogie Preprocessor took 40.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:23:41,202 INFO L168 Benchmark]: RCFGBuilder took 832.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:41,203 INFO L168 Benchmark]: TraceAbstraction took 5792.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -203.0 MB). Peak memory consumption was 319.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:41,203 INFO L168 Benchmark]: Witness Printer took 190.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:41,205 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 661.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 832.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5792.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -203.0 MB). Peak memory consumption was 319.8 MB. Max. memory is 11.5 GB. * Witness Printer took 190.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: 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: 235]: Loop Invariant Derived loop invariant: ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((((0 == \result && waterLevel <= 1) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (((\result == 1 && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: ((((\result == 2 && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((2 == waterLevel && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((tmp == 2 && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, HoareTripleCheckerStatistics: 839 SDtfs, 801 SDslu, 1207 SDs, 0 SdLazy, 206 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=263occurred 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 610 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 166 NumberOfFragments, 568 HoareAnnotationTreeSize, 39 FomulaSimplifications, 35239 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 39 FomulaSimplificationsInter, 9014 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 23359 SizeOfPredicates, 4 NumberOfNonLiveVariables, 401 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...