./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_44a1a695-8cfe-4d6e-83a9-a143e4289ed1/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_44a1a695-8cfe-4d6e-83a9-a143e4289ed1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_44a1a695-8cfe-4d6e-83a9-a143e4289ed1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_44a1a695-8cfe-4d6e-83a9-a143e4289ed1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_44a1a695-8cfe-4d6e-83a9-a143e4289ed1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_44a1a695-8cfe-4d6e-83a9-a143e4289ed1/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 9b7549a4c392cf253bbff25b83e97c5c89bfd389 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 05:13:54,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 05:13:54,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 05:13:54,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 05:13:54,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 05:13:54,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 05:13:54,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 05:13:54,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 05:13:54,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 05:13:54,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 05:13:54,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 05:13:54,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 05:13:54,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 05:13:54,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 05:13:54,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 05:13:54,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 05:13:54,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 05:13:54,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 05:13:54,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 05:13:54,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 05:13:54,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 05:13:54,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 05:13:54,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 05:13:54,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 05:13:54,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 05:13:54,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 05:13:54,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 05:13:54,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 05:13:54,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 05:13:54,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 05:13:54,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 05:13:54,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 05:13:54,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 05:13:54,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 05:13:54,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 05:13:54,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 05:13:54,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 05:13:54,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 05:13:54,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 05:13:54,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 05:13:54,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 05:13:54,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_44a1a695-8cfe-4d6e-83a9-a143e4289ed1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 05:13:54,369 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 05:13:54,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 05:13:54,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 05:13:54,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 05:13:54,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 05:13:54,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 05:13:54,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 05:13:54,370 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 05:13:54,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 05:13:54,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 05:13:54,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 05:13:54,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 05:13:54,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 05:13:54,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 05:13:54,371 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 05:13:54,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 05:13:54,372 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 05:13:54,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 05:13:54,372 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 05:13:54,372 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 05:13:54,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 05:13:54,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 05:13:54,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 05:13:54,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 05:13:54,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 05:13:54,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 05:13:54,373 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 05:13:54,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 05:13:54,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 05:13:54,373 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_44a1a695-8cfe-4d6e-83a9-a143e4289ed1/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 -> 9b7549a4c392cf253bbff25b83e97c5c89bfd389 [2019-12-02 05:13:54,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 05:13:54,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 05:13:54,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 05:13:54,497 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 05:13:54,497 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 05:13:54,498 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_44a1a695-8cfe-4d6e-83a9-a143e4289ed1/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2019-12-02 05:13:54,543 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_44a1a695-8cfe-4d6e-83a9-a143e4289ed1/bin/ukojak/data/fdb4a4663/742b40bd88ff4ebebf86dcdf490d93b1/FLAG83e9b0b4d [2019-12-02 05:13:55,026 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 05:13:55,027 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_44a1a695-8cfe-4d6e-83a9-a143e4289ed1/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2019-12-02 05:13:55,035 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_44a1a695-8cfe-4d6e-83a9-a143e4289ed1/bin/ukojak/data/fdb4a4663/742b40bd88ff4ebebf86dcdf490d93b1/FLAG83e9b0b4d [2019-12-02 05:13:55,044 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_44a1a695-8cfe-4d6e-83a9-a143e4289ed1/bin/ukojak/data/fdb4a4663/742b40bd88ff4ebebf86dcdf490d93b1 [2019-12-02 05:13:55,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 05:13:55,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 05:13:55,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 05:13:55,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 05:13:55,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 05:13:55,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:13:55" (1/1) ... [2019-12-02 05:13:55,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed7335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:55, skipping insertion in model container [2019-12-02 05:13:55,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:13:55" (1/1) ... [2019-12-02 05:13:55,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 05:13:55,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 05:13:55,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 05:13:55,297 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 05:13:55,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 05:13:55,364 INFO L208 MainTranslator]: Completed translation [2019-12-02 05:13:55,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:55 WrapperNode [2019-12-02 05:13:55,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 05:13:55,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 05:13:55,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 05:13:55,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 05:13:55,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:55" (1/1) ... [2019-12-02 05:13:55,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:55" (1/1) ... [2019-12-02 05:13:55,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 05:13:55,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 05:13:55,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 05:13:55,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 05:13:55,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:55" (1/1) ... [2019-12-02 05:13:55,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:55" (1/1) ... [2019-12-02 05:13:55,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:55" (1/1) ... [2019-12-02 05:13:55,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:55" (1/1) ... [2019-12-02 05:13:55,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:55" (1/1) ... [2019-12-02 05:13:55,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:55" (1/1) ... [2019-12-02 05:13:55,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:55" (1/1) ... [2019-12-02 05:13:55,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 05:13:55,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 05:13:55,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 05:13:55,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 05:13:55,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_44a1a695-8cfe-4d6e-83a9-a143e4289ed1/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 [2019-12-02 05:13:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-02 05:13:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-02 05:13:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-02 05:13:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-02 05:13:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-02 05:13:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-02 05:13:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-02 05:13:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-02 05:13:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-02 05:13:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-02 05:13:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-02 05:13:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-12-02 05:13:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-12-02 05:13:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-12-02 05:13:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-12-02 05:13:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-02 05:13:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-02 05:13:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-02 05:13:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 05:13:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 05:13:56,006 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 05:13:56,006 INFO L287 CfgBuilder]: Removed 40 assume(true) statements. [2019-12-02 05:13:56,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:56 BoogieIcfgContainer [2019-12-02 05:13:56,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 05:13:56,007 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 05:13:56,007 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 05:13:56,014 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 05:13:56,014 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:56" (1/1) ... [2019-12-02 05:13:56,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 05:13:56,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:13:56,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2019-12-02 05:13:56,046 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2019-12-02 05:13:56,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 05:13:56,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:13:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:13:56,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:13:56,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:13:56,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 80 transitions. [2019-12-02 05:13:56,231 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2019-12-02 05:13:56,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 05:13:56,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:13:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:13:56,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:13:56,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:13:56,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 64 states and 83 transitions. [2019-12-02 05:13:56,326 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2019-12-02 05:13:56,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 05:13:56,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:13:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:13:56,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:13:56,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:13:56,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2019-12-02 05:13:56,488 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2019-12-02 05:13:56,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-02 05:13:56,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:13:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:13:56,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:13:56,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:13:56,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 74 states and 101 transitions. [2019-12-02 05:13:56,547 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2019-12-02 05:13:56,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-02 05:13:56,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:13:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:13:56,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:13:56,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:13:56,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 75 states and 102 transitions. [2019-12-02 05:13:56,591 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2019-12-02 05:13:56,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-02 05:13:56,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:13:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:13:56,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:13:56,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:13:56,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 87 states and 126 transitions. [2019-12-02 05:13:56,946 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2019-12-02 05:13:56,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-02 05:13:56,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:13:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:13:57,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:13:57,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:13:57,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 157 transitions. [2019-12-02 05:13:57,520 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2019-12-02 05:13:57,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-02 05:13:57,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:13:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:13:57,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 05:13:57,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:13:57,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 103 states and 158 transitions. [2019-12-02 05:13:57,552 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 158 transitions. [2019-12-02 05:13:57,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-02 05:13:57,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:13:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:13:57,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 05:13:57,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:13:57,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 104 states and 159 transitions. [2019-12-02 05:13:57,583 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 159 transitions. [2019-12-02 05:13:57,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-02 05:13:57,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:13:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:13:57,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:13:57,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:13:57,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 105 states and 160 transitions. [2019-12-02 05:13:57,616 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 160 transitions. [2019-12-02 05:13:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-02 05:13:57,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:13:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:13:57,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:13:58,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:13:58,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 112 states and 173 transitions. [2019-12-02 05:13:58,010 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 173 transitions. [2019-12-02 05:13:58,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-02 05:13:58,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:13:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:13:58,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 05:13:59,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:13:59,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 124 states and 201 transitions. [2019-12-02 05:13:59,222 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 201 transitions. [2019-12-02 05:13:59,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-02 05:13:59,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:13:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:13:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 05:14:00,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:00,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 143 states and 243 transitions. [2019-12-02 05:14:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 243 transitions. [2019-12-02 05:14:00,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-02 05:14:00,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:00,875 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 05:14:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:01,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 149 states and 263 transitions. [2019-12-02 05:14:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 263 transitions. [2019-12-02 05:14:01,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-02 05:14:01,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:01,488 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 05:14:01,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:01,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 150 states and 266 transitions. [2019-12-02 05:14:01,675 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 266 transitions. [2019-12-02 05:14:01,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-02 05:14:01,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:01,696 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 05:14:01,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:01,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 152 states and 269 transitions. [2019-12-02 05:14:01,902 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 269 transitions. [2019-12-02 05:14:01,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-02 05:14:01,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:02,208 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 05:14:03,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:03,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 155 states and 281 transitions. [2019-12-02 05:14:03,101 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 281 transitions. [2019-12-02 05:14:03,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-02 05:14:03,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:03,132 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 05:14:03,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:03,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 156 states and 283 transitions. [2019-12-02 05:14:03,156 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 283 transitions. [2019-12-02 05:14:03,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-02 05:14:03,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:03,175 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 05:14:03,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:03,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 159 states and 289 transitions. [2019-12-02 05:14:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 289 transitions. [2019-12-02 05:14:03,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-02 05:14:03,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:03,416 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 05:14:03,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:03,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 162 states and 295 transitions. [2019-12-02 05:14:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 295 transitions. [2019-12-02 05:14:03,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-02 05:14:03,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 05:14:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:03,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 153 states and 275 transitions. [2019-12-02 05:14:03,872 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 275 transitions. [2019-12-02 05:14:03,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-02 05:14:03,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:04,132 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-02 05:14:06,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:06,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 166 states and 315 transitions. [2019-12-02 05:14:06,369 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 315 transitions. [2019-12-02 05:14:06,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-02 05:14:06,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:06,394 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-02 05:14:06,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:06,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 168 states and 317 transitions. [2019-12-02 05:14:06,727 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 317 transitions. [2019-12-02 05:14:06,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-02 05:14:06,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:06,771 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-02 05:14:09,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:09,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 177 states and 341 transitions. [2019-12-02 05:14:09,142 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 341 transitions. [2019-12-02 05:14:09,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-02 05:14:09,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-02 05:14:09,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:09,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 179 states and 342 transitions. [2019-12-02 05:14:09,450 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 342 transitions. [2019-12-02 05:14:09,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-02 05:14:09,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:09,469 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 05:14:10,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:10,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 184 states and 354 transitions. [2019-12-02 05:14:10,215 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 354 transitions. [2019-12-02 05:14:10,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-02 05:14:10,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:10,252 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 05:14:10,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:10,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 186 states and 358 transitions. [2019-12-02 05:14:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 358 transitions. [2019-12-02 05:14:10,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-02 05:14:10,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:10,602 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-02 05:14:12,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:12,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 194 states and 378 transitions. [2019-12-02 05:14:12,559 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 378 transitions. [2019-12-02 05:14:12,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-02 05:14:12,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:12,580 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 05:14:13,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 201 states and 399 transitions. [2019-12-02 05:14:13,186 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 399 transitions. [2019-12-02 05:14:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-02 05:14:13,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:13,205 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 05:14:13,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:13,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 203 states and 403 transitions. [2019-12-02 05:14:13,554 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 403 transitions. [2019-12-02 05:14:13,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-02 05:14:13,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:13,581 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 05:14:14,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:14,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 207 states and 412 transitions. [2019-12-02 05:14:14,361 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 412 transitions. [2019-12-02 05:14:14,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-02 05:14:14,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:14,380 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 05:14:14,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:14,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 209 states and 415 transitions. [2019-12-02 05:14:14,675 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 415 transitions. [2019-12-02 05:14:14,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-02 05:14:14,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:14,699 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 05:14:15,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:15,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 211 states and 416 transitions. [2019-12-02 05:14:15,068 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 416 transitions. [2019-12-02 05:14:15,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-02 05:14:15,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 05:14:15,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:15,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 213 states and 418 transitions. [2019-12-02 05:14:15,428 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 418 transitions. [2019-12-02 05:14:15,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-02 05:14:15,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:16,886 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 05:14:21,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:21,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 219 states and 415 transitions. [2019-12-02 05:14:21,325 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 415 transitions. [2019-12-02 05:14:21,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-02 05:14:21,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:21,353 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-02 05:14:23,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 228 states and 437 transitions. [2019-12-02 05:14:23,895 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 437 transitions. [2019-12-02 05:14:23,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-02 05:14:23,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:23,919 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-02 05:14:23,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:23,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 224 states and 427 transitions. [2019-12-02 05:14:23,942 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 427 transitions. [2019-12-02 05:14:23,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-02 05:14:23,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-02 05:14:24,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:24,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 226 states and 432 transitions. [2019-12-02 05:14:24,315 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 432 transitions. [2019-12-02 05:14:24,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-12-02 05:14:24,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:24,332 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-12-02 05:14:24,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:24,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 227 states and 433 transitions. [2019-12-02 05:14:24,366 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 433 transitions. [2019-12-02 05:14:24,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-02 05:14:24,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:24,383 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-02 05:14:25,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:25,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 227 states and 429 transitions. [2019-12-02 05:14:25,132 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 429 transitions. [2019-12-02 05:14:25,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-02 05:14:25,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:25,152 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 05:14:25,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:25,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 239 states and 443 transitions. [2019-12-02 05:14:25,757 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 443 transitions. [2019-12-02 05:14:25,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-02 05:14:25,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:25,774 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 05:14:26,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:26,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 241 states and 444 transitions. [2019-12-02 05:14:26,102 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 444 transitions. [2019-12-02 05:14:26,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-02 05:14:26,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:26,120 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-02 05:14:26,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:26,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 242 states and 445 transitions. [2019-12-02 05:14:26,138 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 445 transitions. [2019-12-02 05:14:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-02 05:14:26,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-02 05:14:27,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:27,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 229 states and 409 transitions. [2019-12-02 05:14:27,452 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 409 transitions. [2019-12-02 05:14:27,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-02 05:14:27,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:27,469 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-02 05:14:27,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:27,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 231 states and 412 transitions. [2019-12-02 05:14:27,492 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 412 transitions. [2019-12-02 05:14:27,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-02 05:14:27,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:27,511 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-02 05:14:27,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:27,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 226 states and 401 transitions. [2019-12-02 05:14:27,873 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 401 transitions. [2019-12-02 05:14:27,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-02 05:14:27,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:28,278 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-02 05:14:31,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:31,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 231 states and 404 transitions. [2019-12-02 05:14:31,565 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 404 transitions. [2019-12-02 05:14:31,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-02 05:14:31,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:31,588 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-02 05:14:32,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:32,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 219 states and 371 transitions. [2019-12-02 05:14:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 371 transitions. [2019-12-02 05:14:32,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-12-02 05:14:32,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:32,057 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-12-02 05:14:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:32,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 215 states and 361 transitions. [2019-12-02 05:14:32,083 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 361 transitions. [2019-12-02 05:14:32,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-02 05:14:32,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:32,586 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-02 05:14:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 221 states and 370 transitions. [2019-12-02 05:14:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 370 transitions. [2019-12-02 05:14:36,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-02 05:14:36,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:37,209 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-02 05:14:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:38,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 221 states and 367 transitions. [2019-12-02 05:14:38,397 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 367 transitions. [2019-12-02 05:14:38,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-02 05:14:38,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-02 05:14:39,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:39,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 226 states and 377 transitions. [2019-12-02 05:14:39,264 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 377 transitions. [2019-12-02 05:14:39,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-12-02 05:14:39,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:39,284 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-12-02 05:14:39,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:39,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 223 states and 371 transitions. [2019-12-02 05:14:39,310 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 371 transitions. [2019-12-02 05:14:39,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-12-02 05:14:39,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:39,327 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-12-02 05:14:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:39,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 225 states and 374 transitions. [2019-12-02 05:14:39,375 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 374 transitions. [2019-12-02 05:14:39,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-12-02 05:14:39,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-02 05:14:42,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:42,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 225 states and 372 transitions. [2019-12-02 05:14:42,516 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 372 transitions. [2019-12-02 05:14:42,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-12-02 05:14:42,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:14:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:14:42,540 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-02 05:14:43,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:14:43,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 166 states and 242 transitions. [2019-12-02 05:14:43,649 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 242 transitions. [2019-12-02 05:14:43,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 05:14:43,650 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 57 iterations. [2019-12-02 05:14:43,656 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 05:14:44,217 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2019-12-02 05:14:44,224 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 05:14:44,224 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 05:14:44,224 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-02 05:14:44,225 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 05:14:44,225 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 05:14:44,225 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 05:14:44,225 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-12-02 05:14:44,226 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-12-02 05:14:44,226 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-02 05:14:44,226 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 05:14:44,227 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2019-12-02 05:14:44,227 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 05:14:44,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:14:44 ImpRootNode [2019-12-02 05:14:44,228 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 05:14:44,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 05:14:44,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 05:14:44,228 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 05:14:44,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:56" (3/4) ... [2019-12-02 05:14:44,231 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 05:14:44,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-02 05:14:44,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-02 05:14:44,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-12-02 05:14:44,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-02 05:14:44,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-02 05:14:44,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-02 05:14:44,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-12-02 05:14:44,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-12-02 05:14:44,240 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2019-12-02 05:14:44,241 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-12-02 05:14:44,242 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-12-02 05:14:44,242 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-02 05:14:44,243 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 05:14:44,243 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 05:14:44,244 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 05:14:44,263 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == methAndRunningLastTime) && !(1 == waterLevel)) && !(0 == methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || ((pumpRunning == \old(pumpRunning) && !(1 == waterLevel)) && !(0 == methaneLevelCritical))) || !(pumpRunning == 0)) || 0 == systemActive [2019-12-02 05:14:44,264 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-12-02 05:14:44,296 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_44a1a695-8cfe-4d6e-83a9-a143e4289ed1/bin/ukojak/witness.graphml [2019-12-02 05:14:44,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 05:14:44,297 INFO L168 Benchmark]: Toolchain (without parser) took 49250.32 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 615.5 MB). Free memory was 943.5 MB in the beginning and 1.2 GB in the end (delta: -290.7 MB). Peak memory consumption was 324.9 MB. Max. memory is 11.5 GB. [2019-12-02 05:14:44,297 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 05:14:44,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -130.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-02 05:14:44,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 05:14:44,298 INFO L168 Benchmark]: Boogie Preprocessor took 23.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 05:14:44,298 INFO L168 Benchmark]: RCFGBuilder took 578.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 985.7 MB in the end (delta: 77.7 MB). Peak memory consumption was 77.7 MB. Max. memory is 11.5 GB. [2019-12-02 05:14:44,299 INFO L168 Benchmark]: CodeCheck took 48220.58 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 528.0 MB). Free memory was 985.7 MB in the beginning and 1.3 GB in the end (delta: -269.6 MB). Peak memory consumption was 258.4 MB. Max. memory is 11.5 GB. [2019-12-02 05:14:44,299 INFO L168 Benchmark]: Witness Printer took 67.99 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-02 05:14:44,300 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, 62 locations, 1 error locations. Result: SAFE, OverallTime: 47.6s, OverallIterations: 57, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 240042808 SDtfs, -1051612478 SDslu, -172740044 SDs, 0 SdLazy, -440108034 SolverSat, 798407144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39515 GetRequests, 38696 SyntacticMatches, 240 SemanticMatches, 579 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160760 ImplicationChecksByTransitivity, 43.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 3434 NumberOfCodeBlocks, 3434 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 3378 ConstructedInterpolants, 0 QuantifiedInterpolants, 439068 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 56 InterpolantComputations, 41 PerfectInterpolantSequences, 1520/1641 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: 410]: 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: 535]: Loop Invariant Derived loop invariant: (((((!(0 == methAndRunningLastTime) && !(1 == waterLevel)) && !(0 == methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || ((pumpRunning == \old(pumpRunning) && !(1 == waterLevel)) && !(0 == methaneLevelCritical))) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: ((((!(0 == methAndRunningLastTime) || 0 == methaneLevelCritical) || pumpRunning == 0) || 3 < splverifierCounter) || 0 == systemActive) || 0 == splverifierCounter - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (!(0 == methAndRunningLastTime) || 0 == methaneLevelCritical) || pumpRunning == 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -130.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 578.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 985.7 MB in the end (delta: 77.7 MB). Peak memory consumption was 77.7 MB. Max. memory is 11.5 GB. * CodeCheck took 48220.58 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 528.0 MB). Free memory was 985.7 MB in the beginning and 1.3 GB in the end (delta: -269.6 MB). Peak memory consumption was 258.4 MB. Max. memory is 11.5 GB. * Witness Printer took 67.99 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...