./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product27.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 9c8016f452608c4941fa660b03ce7c0101dbbdf8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:20:55,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:20:55,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:20:55,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:20:55,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:20:55,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:20:55,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:20:55,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:20:55,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:20:55,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:20:55,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:20:55,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:20:55,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:20:55,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:20:55,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:20:55,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:20:55,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:20:55,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:20:55,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:20:55,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:20:55,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:20:55,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:20:55,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:20:55,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:20:55,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:20:55,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:20:55,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:20:55,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:20:55,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:20:55,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:20:55,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:20:55,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:20:55,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:20:55,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:20:55,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:20:55,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:20:55,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:20:55,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:20:55,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:20:55,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:20:55,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:20:55,276 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:20:55,291 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:20:55,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:20:55,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:20:55,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:20:55,293 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:20:55,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:20:55,294 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:20:55,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:20:55,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:20:55,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:20:55,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:20:55,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:20:55,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:20:55,296 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:20:55,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:20:55,296 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:20:55,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:20:55,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:20:55,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:20:55,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:20:55,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:20:55,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:20:55,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:20:55,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:20:55,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:20:55,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:20:55,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:20:55,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:20:55,302 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 -> 9c8016f452608c4941fa660b03ce7c0101dbbdf8 [2019-11-28 00:20:55,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:20:55,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:20:55,689 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:20:55,691 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:20:55,691 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:20:55,693 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2019-11-28 00:20:55,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1234cacb/f84f50b68da44c4bb89555513898fffb/FLAG24fea4f24 [2019-11-28 00:20:56,232 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:20:56,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2019-11-28 00:20:56,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1234cacb/f84f50b68da44c4bb89555513898fffb/FLAG24fea4f24 [2019-11-28 00:20:56,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1234cacb/f84f50b68da44c4bb89555513898fffb [2019-11-28 00:20:56,581 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:20:56,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:20:56,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:20:56,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:20:56,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:20:56,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:56" (1/1) ... [2019-11-28 00:20:56,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67981a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:56, skipping insertion in model container [2019-11-28 00:20:56,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:56" (1/1) ... [2019-11-28 00:20:56,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:20:56,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:20:57,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:20:57,140 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:20:57,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:20:57,297 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:20:57,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:57 WrapperNode [2019-11-28 00:20:57,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:20:57,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:20:57,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:20:57,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:20:57,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:57" (1/1) ... [2019-11-28 00:20:57,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:57" (1/1) ... [2019-11-28 00:20:57,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:20:57,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:20:57,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:20:57,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:20:57,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:57" (1/1) ... [2019-11-28 00:20:57,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:57" (1/1) ... [2019-11-28 00:20:57,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:57" (1/1) ... [2019-11-28 00:20:57,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:57" (1/1) ... [2019-11-28 00:20:57,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:57" (1/1) ... [2019-11-28 00:20:57,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:57" (1/1) ... [2019-11-28 00:20:57,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:57" (1/1) ... [2019-11-28 00:20:57,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:20:57,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:20:57,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:20:57,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:20:57,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:57" (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 00:20:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:20:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:20:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:20:57,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:20:58,266 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:20:58,267 INFO L297 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-28 00:20:58,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:58 BoogieIcfgContainer [2019-11-28 00:20:58,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:20:58,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:20:58,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:20:58,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:20:58,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:20:56" (1/3) ... [2019-11-28 00:20:58,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4948ea41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:20:58, skipping insertion in model container [2019-11-28 00:20:58,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:57" (2/3) ... [2019-11-28 00:20:58,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4948ea41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:20:58, skipping insertion in model container [2019-11-28 00:20:58,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:58" (3/3) ... [2019-11-28 00:20:58,278 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2019-11-28 00:20:58,288 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:20:58,295 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:20:58,305 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:20:58,328 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:20:58,328 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:20:58,328 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:20:58,328 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:20:58,329 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:20:58,329 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:20:58,329 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:20:58,329 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:20:58,347 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2019-11-28 00:20:58,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:20:58,354 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:58,355 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:20:58,356 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:58,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:58,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1392435012, now seen corresponding path program 1 times [2019-11-28 00:20:58,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:58,368 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263026713] [2019-11-28 00:20:58,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:58,676 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 00:20:58,677 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263026713] [2019-11-28 00:20:58,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:58,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:20:58,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593688180] [2019-11-28 00:20:58,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:20:58,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:58,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:20:58,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:20:58,699 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2019-11-28 00:20:58,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:58,728 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2019-11-28 00:20:58,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:20:58,730 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:20:58,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:58,742 INFO L225 Difference]: With dead ends: 155 [2019-11-28 00:20:58,742 INFO L226 Difference]: Without dead ends: 77 [2019-11-28 00:20:58,746 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 00:20:58,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-28 00:20:58,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-11-28 00:20:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-28 00:20:58,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2019-11-28 00:20:58,790 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2019-11-28 00:20:58,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:58,791 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2019-11-28 00:20:58,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:20:58,791 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2019-11-28 00:20:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:20:58,793 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:58,793 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 00:20:58,793 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:58,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:58,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1173599043, now seen corresponding path program 1 times [2019-11-28 00:20:58,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:58,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928632439] [2019-11-28 00:20:58,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:58,930 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 00:20:58,931 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928632439] [2019-11-28 00:20:58,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:58,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:20:58,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870385072] [2019-11-28 00:20:58,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:20:58,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:58,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:20:58,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:20:58,934 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2019-11-28 00:20:58,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:58,946 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2019-11-28 00:20:58,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:20:58,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:20:58,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:58,948 INFO L225 Difference]: With dead ends: 77 [2019-11-28 00:20:58,948 INFO L226 Difference]: Without dead ends: 37 [2019-11-28 00:20:58,949 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 00:20:58,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-28 00:20:58,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-11-28 00:20:58,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-28 00:20:58,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2019-11-28 00:20:58,956 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2019-11-28 00:20:58,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:58,956 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2019-11-28 00:20:58,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:20:58,957 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2019-11-28 00:20:58,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:20:58,958 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:58,958 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:20:58,959 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:58,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:58,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2019-11-28 00:20:58,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:58,960 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607519134] [2019-11-28 00:20:58,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:59,044 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 00:20:59,044 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607519134] [2019-11-28 00:20:59,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:59,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:20:59,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661766064] [2019-11-28 00:20:59,045 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:20:59,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:59,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:20:59,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:20:59,048 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2019-11-28 00:20:59,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:59,084 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2019-11-28 00:20:59,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:20:59,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:20:59,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:59,086 INFO L225 Difference]: With dead ends: 97 [2019-11-28 00:20:59,086 INFO L226 Difference]: Without dead ends: 67 [2019-11-28 00:20:59,087 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 00:20:59,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-11-28 00:20:59,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2019-11-28 00:20:59,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-28 00:20:59,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2019-11-28 00:20:59,101 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2019-11-28 00:20:59,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:59,102 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2019-11-28 00:20:59,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:20:59,102 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2019-11-28 00:20:59,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 00:20:59,105 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:59,105 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] [2019-11-28 00:20:59,106 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:59,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:59,106 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2019-11-28 00:20:59,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:59,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051675160] [2019-11-28 00:20:59,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:59,254 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 00:20:59,254 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051675160] [2019-11-28 00:20:59,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:59,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:20:59,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161653358] [2019-11-28 00:20:59,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:20:59,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:59,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:20:59,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:20:59,257 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2019-11-28 00:20:59,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:59,414 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2019-11-28 00:20:59,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:20:59,415 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-28 00:20:59,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:59,418 INFO L225 Difference]: With dead ends: 303 [2019-11-28 00:20:59,418 INFO L226 Difference]: Without dead ends: 247 [2019-11-28 00:20:59,419 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 00:20:59,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-11-28 00:20:59,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2019-11-28 00:20:59,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-28 00:20:59,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2019-11-28 00:20:59,451 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2019-11-28 00:20:59,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:59,452 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2019-11-28 00:20:59,452 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:20:59,453 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2019-11-28 00:20:59,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:20:59,456 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:59,456 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 00:20:59,457 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:59,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:59,457 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2019-11-28 00:20:59,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:59,458 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658656014] [2019-11-28 00:20:59,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:59,566 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 00:20:59,566 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658656014] [2019-11-28 00:20:59,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:59,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:20:59,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034108644] [2019-11-28 00:20:59,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:20:59,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:59,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:20:59,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:20:59,569 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2019-11-28 00:20:59,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:59,647 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2019-11-28 00:20:59,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:20:59,648 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-28 00:20:59,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:59,648 INFO L225 Difference]: With dead ends: 307 [2019-11-28 00:20:59,648 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:20:59,650 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 00:20:59,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:20:59,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:20:59,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:20:59,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:20:59,652 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-11-28 00:20:59,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:59,653 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:20:59,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:20:59,653 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:20:59,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:20:59,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:20:59,889 INFO L242 CegarLoopResult]: At program point L415(lines 410 417) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:20:59,889 INFO L242 CegarLoopResult]: At program point L861(lines 856 864) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:59,890 INFO L242 CegarLoopResult]: At program point L861-1(lines 856 864) the Hoare annotation is: false [2019-11-28 00:20:59,890 INFO L242 CegarLoopResult]: At program point L861-2(lines 856 864) the Hoare annotation is: false [2019-11-28 00:20:59,890 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-11-28 00:20:59,890 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:20:59,890 INFO L246 CegarLoopResult]: For program point L632(lines 632 639) no Hoare annotation was computed. [2019-11-28 00:20:59,891 INFO L249 CegarLoopResult]: At program point L632-1(lines 632 639) the Hoare annotation is: true [2019-11-28 00:20:59,891 INFO L246 CegarLoopResult]: For program point L484(lines 484 488) no Hoare annotation was computed. [2019-11-28 00:20:59,891 INFO L242 CegarLoopResult]: At program point L765(lines 765 771) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:59,891 INFO L242 CegarLoopResult]: At program point L765-1(lines 765 771) the Hoare annotation is: false [2019-11-28 00:20:59,891 INFO L242 CegarLoopResult]: At program point L765-2(lines 765 771) the Hoare annotation is: false [2019-11-28 00:20:59,891 INFO L246 CegarLoopResult]: For program point L667(lines 667 673) no Hoare annotation was computed. [2019-11-28 00:20:59,892 INFO L242 CegarLoopResult]: At program point L667-1(lines 667 673) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:59,892 INFO L242 CegarLoopResult]: At program point L916(lines 901 919) the Hoare annotation is: false [2019-11-28 00:20:59,892 INFO L242 CegarLoopResult]: At program point L916-1(lines 901 919) the Hoare annotation is: false [2019-11-28 00:20:59,892 INFO L242 CegarLoopResult]: At program point L916-2(lines 901 919) the Hoare annotation is: false [2019-11-28 00:20:59,892 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:20:59,893 INFO L242 CegarLoopResult]: At program point L736(lines 1 943) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:20:59,893 INFO L242 CegarLoopResult]: At program point L604(lines 600 606) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:20:59,893 INFO L242 CegarLoopResult]: At program point L538(lines 533 541) the Hoare annotation is: false [2019-11-28 00:20:59,893 INFO L242 CegarLoopResult]: At program point L538-1(lines 533 541) the Hoare annotation is: false [2019-11-28 00:20:59,893 INFO L246 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2019-11-28 00:20:59,894 INFO L242 CegarLoopResult]: At program point L538-2(lines 533 541) the Hoare annotation is: false [2019-11-28 00:20:59,894 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-11-28 00:20:59,894 INFO L246 CegarLoopResult]: For program point L687(lines 687 700) no Hoare annotation was computed. [2019-11-28 00:20:59,894 INFO L242 CegarLoopResult]: At program point L555-2(lines 555 569) the Hoare annotation is: false [2019-11-28 00:20:59,894 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-28 00:20:59,895 INFO L242 CegarLoopResult]: At program point L705(lines 656 706) the Hoare annotation is: false [2019-11-28 00:20:59,895 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:20:59,895 INFO L246 CegarLoopResult]: For program point L426(lines 426 443) no Hoare annotation was computed. [2019-11-28 00:20:59,895 INFO L242 CegarLoopResult]: At program point L426-1(lines 1 943) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:59,896 INFO L246 CegarLoopResult]: For program point L426-2(lines 426 443) no Hoare annotation was computed. [2019-11-28 00:20:59,896 INFO L242 CegarLoopResult]: At program point L426-3(lines 1 943) the Hoare annotation is: false [2019-11-28 00:20:59,896 INFO L246 CegarLoopResult]: For program point L426-4(lines 426 443) no Hoare annotation was computed. [2019-11-28 00:20:59,897 INFO L242 CegarLoopResult]: At program point L426-5(lines 1 943) the Hoare annotation is: false [2019-11-28 00:20:59,897 INFO L249 CegarLoopResult]: At program point L641(lines 622 644) the Hoare annotation is: true [2019-11-28 00:20:59,897 INFO L246 CegarLoopResult]: For program point L790(lines 790 807) no Hoare annotation was computed. [2019-11-28 00:20:59,897 INFO L246 CegarLoopResult]: For program point L790-1(lines 790 807) no Hoare annotation was computed. [2019-11-28 00:20:59,898 INFO L246 CegarLoopResult]: For program point L790-2(lines 790 807) no Hoare annotation was computed. [2019-11-28 00:20:59,898 INFO L246 CegarLoopResult]: For program point L658(lines 657 704) no Hoare annotation was computed. [2019-11-28 00:20:59,898 INFO L246 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2019-11-28 00:20:59,898 INFO L246 CegarLoopResult]: For program point L559-1(lines 758 764) no Hoare annotation was computed. [2019-11-28 00:20:59,899 INFO L246 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2019-11-28 00:20:59,899 INFO L246 CegarLoopResult]: For program point L460-3(lines 460 464) no Hoare annotation was computed. [2019-11-28 00:20:59,899 INFO L246 CegarLoopResult]: For program point L460-6(lines 460 464) no Hoare annotation was computed. [2019-11-28 00:20:59,899 INFO L242 CegarLoopResult]: At program point L758(lines 757 776) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:59,900 INFO L246 CegarLoopResult]: For program point L758-1(lines 758 764) no Hoare annotation was computed. [2019-11-28 00:20:59,900 INFO L242 CegarLoopResult]: At program point L758-2(lines 757 776) the Hoare annotation is: false [2019-11-28 00:20:59,900 INFO L246 CegarLoopResult]: For program point L659(lines 659 663) no Hoare annotation was computed. [2019-11-28 00:20:59,900 INFO L242 CegarLoopResult]: At program point L758-3(lines 757 776) the Hoare annotation is: false [2019-11-28 00:20:59,901 INFO L246 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2019-11-28 00:20:59,901 INFO L246 CegarLoopResult]: For program point L940-1(line 940) no Hoare annotation was computed. [2019-11-28 00:20:59,901 INFO L246 CegarLoopResult]: For program point L940-2(line 940) no Hoare annotation was computed. [2019-11-28 00:20:59,901 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:20:59,901 INFO L246 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2019-11-28 00:20:59,902 INFO L242 CegarLoopResult]: At program point L924-1(lines 924 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:59,902 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-11-28 00:20:59,902 INFO L246 CegarLoopResult]: For program point L693(lines 693 699) no Hoare annotation was computed. [2019-11-28 00:20:59,903 INFO L242 CegarLoopResult]: At program point L693-1(lines 758 764) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:59,903 INFO L246 CegarLoopResult]: For program point L677(lines 677 683) no Hoare annotation was computed. [2019-11-28 00:20:59,903 INFO L242 CegarLoopResult]: At program point L677-1(lines 677 683) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:59,903 INFO L246 CegarLoopResult]: For program point L430(lines 430 440) no Hoare annotation was computed. [2019-11-28 00:20:59,903 INFO L246 CegarLoopResult]: For program point L430-2(lines 430 440) no Hoare annotation was computed. [2019-11-28 00:20:59,904 INFO L246 CegarLoopResult]: For program point L430-4(lines 430 440) no Hoare annotation was computed. [2019-11-28 00:20:59,904 INFO L242 CegarLoopResult]: At program point L744(lines 739 747) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:20:59,904 INFO L246 CegarLoopResult]: For program point L794(lines 794 802) no Hoare annotation was computed. [2019-11-28 00:20:59,904 INFO L246 CegarLoopResult]: For program point L794-1(lines 794 802) no Hoare annotation was computed. [2019-11-28 00:20:59,905 INFO L246 CegarLoopResult]: For program point L794-2(lines 794 802) no Hoare annotation was computed. [2019-11-28 00:20:59,905 INFO L242 CegarLoopResult]: At program point L497(lines 492 500) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:59,905 INFO L242 CegarLoopResult]: At program point L497-1(lines 492 500) the Hoare annotation is: false [2019-11-28 00:20:59,905 INFO L246 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2019-11-28 00:20:59,906 INFO L242 CegarLoopResult]: At program point L497-2(lines 492 500) the Hoare annotation is: false [2019-11-28 00:20:59,906 INFO L246 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2019-11-28 00:20:59,906 INFO L246 CegarLoopResult]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2019-11-28 00:20:59,906 INFO L246 CegarLoopResult]: For program point L910-2(lines 910 914) no Hoare annotation was computed. [2019-11-28 00:20:59,907 INFO L246 CegarLoopResult]: For program point L910-3(lines 910 914) no Hoare annotation was computed. [2019-11-28 00:20:59,907 INFO L246 CegarLoopResult]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2019-11-28 00:20:59,907 INFO L246 CegarLoopResult]: For program point L910-5(lines 910 914) no Hoare annotation was computed. [2019-11-28 00:20:59,907 INFO L246 CegarLoopResult]: For program point L910-6(lines 910 914) no Hoare annotation was computed. [2019-11-28 00:20:59,907 INFO L246 CegarLoopResult]: For program point L910-8(lines 910 914) no Hoare annotation was computed. [2019-11-28 00:20:59,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:20:59 BoogieIcfgContainer [2019-11-28 00:20:59,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:20:59,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:20:59,933 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:20:59,934 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:20:59,934 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:58" (3/4) ... [2019-11-28 00:20:59,940 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:20:59,977 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:20:59,982 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:20:59,983 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:20:59,983 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:20:59,985 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:20:59,986 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:20:59,987 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:00,032 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:21:00,137 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:21:00,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:21:00,140 INFO L168 Benchmark]: Toolchain (without parser) took 3555.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 960.4 MB in the beginning and 902.7 MB in the end (delta: 57.7 MB). Peak memory consumption was 188.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:00,143 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:21:00,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -140.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:00,144 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.12 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:00,145 INFO L168 Benchmark]: Boogie Preprocessor took 44.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:21:00,145 INFO L168 Benchmark]: RCFGBuilder took 849.99 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:00,145 INFO L168 Benchmark]: TraceAbstraction took 1663.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 916.0 MB in the end (delta: 126.3 MB). Peak memory consumption was 126.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:00,146 INFO L168 Benchmark]: Witness Printer took 203.77 ms. Allocated memory is still 1.2 GB. Free memory was 916.0 MB in the beginning and 902.7 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:00,147 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 713.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -140.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.12 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.60 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 849.99 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1663.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 916.0 MB in the end (delta: 126.3 MB). Peak memory consumption was 126.3 MB. Max. memory is 11.5 GB. * Witness Printer took 203.77 ms. Allocated memory is still 1.2 GB. Free memory was 916.0 MB in the beginning and 902.7 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: 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: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 350 SDtfs, 321 SDslu, 370 SDs, 0 SdLazy, 49 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...