./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_df89d022-19df-4e06-aae5-76aae69d60f9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_df89d022-19df-4e06-aae5-76aae69d60f9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_df89d022-19df-4e06-aae5-76aae69d60f9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_df89d022-19df-4e06-aae5-76aae69d60f9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_df89d022-19df-4e06-aae5-76aae69d60f9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_df89d022-19df-4e06-aae5-76aae69d60f9/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d733dbb906adb6defb82ddd5acbd52a79b17963e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:19:57,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:19:57,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:19:57,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:19:57,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:19:57,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:19:57,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:19:57,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:19:57,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:19:57,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:19:57,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:19:57,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:19:57,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:19:57,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:19:57,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:19:57,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:19:57,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:19:57,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:19:57,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:19:57,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:19:57,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:19:57,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:19:57,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:19:57,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:19:57,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:19:57,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:19:57,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:19:57,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:19:57,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:19:57,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:19:57,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:19:57,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:19:57,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:19:57,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:19:57,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:19:57,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:19:57,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:19:57,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:19:57,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:19:57,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:19:57,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:19:57,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_df89d022-19df-4e06-aae5-76aae69d60f9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 22:19:57,318 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:19:57,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:19:57,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 22:19:57,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 22:19:57,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:19:57,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:19:57,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:19:57,331 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:19:57,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:19:57,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:19:57,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:19:57,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:19:57,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:19:57,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:19:57,332 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:19:57,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:19:57,333 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:19:57,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:19:57,333 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 22:19:57,333 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 22:19:57,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:19:57,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:19:57,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:19:57,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:19:57,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:19:57,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:19:57,336 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 22:19:57,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:19:57,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:19:57,337 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_df89d022-19df-4e06-aae5-76aae69d60f9/bin/ukojak 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 -> Kojak 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 -> d733dbb906adb6defb82ddd5acbd52a79b17963e [2019-11-19 22:19:57,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:19:57,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:19:57,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:19:57,530 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:19:57,531 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:19:57,532 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_df89d022-19df-4e06-aae5-76aae69d60f9/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2019-11-19 22:19:57,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df89d022-19df-4e06-aae5-76aae69d60f9/bin/ukojak/data/905c256c3/c484ba3701cf46ad8371ba29dad34d8c/FLAG38c662867 [2019-11-19 22:19:58,056 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:19:58,059 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_df89d022-19df-4e06-aae5-76aae69d60f9/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2019-11-19 22:19:58,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df89d022-19df-4e06-aae5-76aae69d60f9/bin/ukojak/data/905c256c3/c484ba3701cf46ad8371ba29dad34d8c/FLAG38c662867 [2019-11-19 22:19:58,391 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_df89d022-19df-4e06-aae5-76aae69d60f9/bin/ukojak/data/905c256c3/c484ba3701cf46ad8371ba29dad34d8c [2019-11-19 22:19:58,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:19:58,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:19:58,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:19:58,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:19:58,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:19:58,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:19:58" (1/1) ... [2019-11-19 22:19:58,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182f8492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:19:58, skipping insertion in model container [2019-11-19 22:19:58,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:19:58" (1/1) ... [2019-11-19 22:19:58,459 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:19:58,539 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:19:58,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:19:58,956 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:19:59,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:19:59,093 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:19:59,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:19:59 WrapperNode [2019-11-19 22:19:59,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:19:59,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:19:59,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:19:59,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:19:59,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:19:59" (1/1) ... [2019-11-19 22:19:59,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:19:59" (1/1) ... [2019-11-19 22:19:59,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:19:59,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:19:59,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:19:59,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:19:59,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:19:59" (1/1) ... [2019-11-19 22:19:59,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:19:59" (1/1) ... [2019-11-19 22:19:59,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:19:59" (1/1) ... [2019-11-19 22:19:59,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:19:59" (1/1) ... [2019-11-19 22:19:59,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:19:59" (1/1) ... [2019-11-19 22:19:59,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:19:59" (1/1) ... [2019-11-19 22:19:59,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:19:59" (1/1) ... [2019-11-19 22:19:59,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:19:59,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:19:59,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:19:59,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:19:59,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:19:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df89d022-19df-4e06-aae5-76aae69d60f9/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-11-19 22:19:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:19:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-19 22:19:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-19 22:19:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-19 22:19:59,255 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-19 22:19:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-19 22:19:59,255 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-19 22:19:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-19 22:19:59,256 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-19 22:19:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-19 22:19:59,256 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-19 22:19:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-19 22:19:59,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-19 22:19:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-19 22:19:59,257 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-19 22:19:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:19:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-19 22:19:59,257 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-19 22:19:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:19:59,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:20:00,098 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:20:00,099 INFO L285 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-19 22:20:00,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:20:00 BoogieIcfgContainer [2019-11-19 22:20:00,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:20:00,101 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 22:20:00,101 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 22:20:00,113 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 22:20:00,113 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:20:00" (1/1) ... [2019-11-19 22:20:00,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:20:00,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:00,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-11-19 22:20:00,172 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-19 22:20:00,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 22:20:00,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:00,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:00,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2019-11-19 22:20:00,463 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2019-11-19 22:20:00,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 22:20:00,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:00,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:00,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:00,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2019-11-19 22:20:00,603 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2019-11-19 22:20:00,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 22:20:00,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:00,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:00,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2019-11-19 22:20:00,932 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2019-11-19 22:20:00,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 22:20:00,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:00,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:00,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 95 transitions. [2019-11-19 22:20:00,988 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2019-11-19 22:20:00,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 22:20:00,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:01,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:01,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:01,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 70 states and 96 transitions. [2019-11-19 22:20:01,049 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2019-11-19 22:20:01,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 22:20:01,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:01,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:01,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:01,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2019-11-19 22:20:01,628 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2019-11-19 22:20:01,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-19 22:20:01,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:01,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:02,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:02,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 96 states and 159 transitions. [2019-11-19 22:20:02,687 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 159 transitions. [2019-11-19 22:20:02,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-19 22:20:02,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:02,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:02,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:02,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 99 states and 162 transitions. [2019-11-19 22:20:02,902 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 162 transitions. [2019-11-19 22:20:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-19 22:20:02,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:02,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:03,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:03,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 101 states and 167 transitions. [2019-11-19 22:20:03,229 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2019-11-19 22:20:03,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-19 22:20:03,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:03,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:03,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 99 states and 161 transitions. [2019-11-19 22:20:03,301 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 161 transitions. [2019-11-19 22:20:03,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 22:20:03,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:03,371 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:03,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:03,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 105 states and 173 transitions. [2019-11-19 22:20:03,689 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 173 transitions. [2019-11-19 22:20:03,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 22:20:03,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:03,720 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:03,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:03,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 106 states and 176 transitions. [2019-11-19 22:20:03,892 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 176 transitions. [2019-11-19 22:20:03,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 22:20:03,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:03,923 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:03,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:03,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 107 states and 179 transitions. [2019-11-19 22:20:03,956 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 179 transitions. [2019-11-19 22:20:03,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 22:20:03,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:03,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:04,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 109 states and 182 transitions. [2019-11-19 22:20:04,155 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 182 transitions. [2019-11-19 22:20:04,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 22:20:04,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:04,183 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:04,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:04,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 111 states and 184 transitions. [2019-11-19 22:20:04,220 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 184 transitions. [2019-11-19 22:20:04,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 22:20:04,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:04,301 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:05,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:05,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 124 states and 213 transitions. [2019-11-19 22:20:05,231 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 213 transitions. [2019-11-19 22:20:05,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-19 22:20:05,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:05,263 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 22:20:05,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:05,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 127 states and 219 transitions. [2019-11-19 22:20:05,664 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 219 transitions. [2019-11-19 22:20:05,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-19 22:20:05,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:05,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:05,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 128 states and 220 transitions. [2019-11-19 22:20:05,731 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 220 transitions. [2019-11-19 22:20:05,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 22:20:05,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 22:20:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 143 states and 272 transitions. [2019-11-19 22:20:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 272 transitions. [2019-11-19 22:20:06,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 22:20:06,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:07,006 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 22:20:08,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:08,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 147 states and 282 transitions. [2019-11-19 22:20:08,052 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 282 transitions. [2019-11-19 22:20:08,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 22:20:08,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:08,101 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 22:20:08,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:08,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 148 states and 281 transitions. [2019-11-19 22:20:08,351 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 281 transitions. [2019-11-19 22:20:08,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 22:20:08,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:08,394 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:09,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:09,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 152 states and 290 transitions. [2019-11-19 22:20:09,356 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 290 transitions. [2019-11-19 22:20:09,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 22:20:09,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:09,405 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 22:20:09,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:09,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 153 states and 291 transitions. [2019-11-19 22:20:09,426 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 291 transitions. [2019-11-19 22:20:09,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 22:20:09,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:09,465 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 22:20:09,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:09,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 154 states and 292 transitions. [2019-11-19 22:20:09,485 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 292 transitions. [2019-11-19 22:20:09,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 22:20:09,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 22:20:09,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:09,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 157 states and 295 transitions. [2019-11-19 22:20:09,860 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 295 transitions. [2019-11-19 22:20:09,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-19 22:20:09,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:09,906 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-19 22:20:09,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:09,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 147 states and 275 transitions. [2019-11-19 22:20:09,930 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 275 transitions. [2019-11-19 22:20:09,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-19 22:20:09,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-19 22:20:10,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:10,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 151 states and 282 transitions. [2019-11-19 22:20:10,261 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 282 transitions. [2019-11-19 22:20:10,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-19 22:20:10,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:10,292 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-19 22:20:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:10,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 149 states and 278 transitions. [2019-11-19 22:20:10,325 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 278 transitions. [2019-11-19 22:20:10,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-19 22:20:10,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:10,355 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-19 22:20:10,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:10,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 147 states and 273 transitions. [2019-11-19 22:20:10,388 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 273 transitions. [2019-11-19 22:20:10,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-19 22:20:10,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:10,419 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-19 22:20:10,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:10,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 138 states and 256 transitions. [2019-11-19 22:20:10,653 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 256 transitions. [2019-11-19 22:20:10,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-19 22:20:10,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:20:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:10,725 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-19 22:20:11,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:20:11,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 72 states and 98 transitions. [2019-11-19 22:20:11,209 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2019-11-19 22:20:11,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:20:11,209 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2019-11-19 22:20:11,223 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-19 22:20:11,551 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:20:11,561 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:20:11,562 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:20:11,562 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:20:11,562 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:20:11,562 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:20:11,562 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:20:11,563 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:20:11,564 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-19 22:20:11,568 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:20:11,569 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-19 22:20:11,571 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-19 22:20:11,574 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:20:11,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 10:20:11 ImpRootNode [2019-11-19 22:20:11,584 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 22:20:11,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:20:11,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:20:11,584 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:20:11,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:20:00" (3/4) ... [2019-11-19 22:20:11,588 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:20:11,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-19 22:20:11,605 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-19 22:20:11,606 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-19 22:20:11,606 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-19 22:20:11,606 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-19 22:20:11,607 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-19 22:20:11,607 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-11-19 22:20:11,607 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-11-19 22:20:11,615 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2019-11-19 22:20:11,619 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-11-19 22:20:11,620 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-19 22:20:11,621 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 22:20:11,621 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 22:20:11,622 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 22:20:11,662 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2019-11-19 22:20:11,664 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-11-19 22:20:11,733 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_df89d022-19df-4e06-aae5-76aae69d60f9/bin/ukojak/witness.graphml [2019-11-19 22:20:11,733 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:20:11,735 INFO L168 Benchmark]: Toolchain (without parser) took 13338.67 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 383.3 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -266.9 MB). Peak memory consumption was 116.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:20:11,736 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:20:11,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:20:11,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.45 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. [2019-11-19 22:20:11,737 INFO L168 Benchmark]: Boogie Preprocessor took 40.26 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. [2019-11-19 22:20:11,737 INFO L168 Benchmark]: RCFGBuilder took 911.31 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: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:20:11,738 INFO L168 Benchmark]: CodeCheck took 11483.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 230.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -178.6 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:20:11,738 INFO L168 Benchmark]: Witness Printer took 149.13 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:20:11,740 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 57 locations, 1 error locations. Result: SAFE, OverallTime: 11.0s, OverallIterations: 32, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1023928784 SDtfs, 1752009496 SDslu, 1527252680 SDs, 0 SdLazy, -693141438 SolverSat, 1332747666 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12978 GetRequests, 12717 SyntacticMatches, 83 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13507 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1226 NumberOfCodeBlocks, 1226 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1195 ConstructedInterpolants, 0 QuantifiedInterpolants, 106729 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 23 PerfectInterpolantSequences, 350/380 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 687.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.45 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. * Boogie Preprocessor took 40.26 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 911.31 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: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. * CodeCheck took 11483.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 230.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -178.6 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * Witness Printer took 149.13 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...