./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c6b010e1-5a18-4d71-9a47-b92bd8e3d735/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c6b010e1-5a18-4d71-9a47-b92bd8e3d735/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c6b010e1-5a18-4d71-9a47-b92bd8e3d735/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c6b010e1-5a18-4d71-9a47-b92bd8e3d735/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c6b010e1-5a18-4d71-9a47-b92bd8e3d735/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c6b010e1-5a18-4d71-9a47-b92bd8e3d735/bin-2019/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 f0335c6392c59c467837b14da92286fa43b99dfc .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 13:28:39,967 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:28:39,968 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:28:39,974 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:28:39,975 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:28:39,975 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:28:39,976 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:28:39,977 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:28:39,977 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:28:39,978 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:28:39,978 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:28:39,978 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:28:39,979 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:28:39,979 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:28:39,980 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:28:39,980 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:28:39,981 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:28:39,981 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:28:39,982 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:28:39,983 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:28:39,983 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:28:39,984 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:28:39,985 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:28:39,985 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:28:39,985 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:28:39,986 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:28:39,986 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:28:39,987 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:28:39,987 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:28:39,988 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:28:39,988 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:28:39,988 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:28:39,988 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:28:39,988 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:28:39,989 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:28:39,989 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:28:39,989 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c6b010e1-5a18-4d71-9a47-b92bd8e3d735/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 13:28:39,996 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:28:39,996 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:28:39,997 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:28:39,997 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 13:28:39,997 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 13:28:39,997 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 13:28:39,997 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:28:39,997 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:28:39,998 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:28:39,998 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:28:39,998 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:28:39,998 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:28:39,998 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:28:39,998 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:28:39,998 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:28:39,998 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:28:39,998 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 13:28:39,998 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:28:39,998 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 13:28:39,999 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 13:28:39,999 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:28:39,999 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:28:39,999 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 13:28:39,999 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:28:39,999 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:28:39,999 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:28:39,999 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 13:28:39,999 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:28:39,999 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 13:28:39,999 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_c6b010e1-5a18-4d71-9a47-b92bd8e3d735/bin-2019/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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2018-12-02 13:28:40,017 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:28:40,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:28:40,026 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:28:40,027 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:28:40,027 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:28:40,028 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c6b010e1-5a18-4d71-9a47-b92bd8e3d735/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-12-02 13:28:40,064 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6b010e1-5a18-4d71-9a47-b92bd8e3d735/bin-2019/ukojak/data/792de4152/6ce41afdcced4d2a812f8e60e8d73ca6/FLAGd1791e317 [2018-12-02 13:28:40,487 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:28:40,487 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c6b010e1-5a18-4d71-9a47-b92bd8e3d735/sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-12-02 13:28:40,493 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6b010e1-5a18-4d71-9a47-b92bd8e3d735/bin-2019/ukojak/data/792de4152/6ce41afdcced4d2a812f8e60e8d73ca6/FLAGd1791e317 [2018-12-02 13:28:40,501 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c6b010e1-5a18-4d71-9a47-b92bd8e3d735/bin-2019/ukojak/data/792de4152/6ce41afdcced4d2a812f8e60e8d73ca6 [2018-12-02 13:28:40,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:28:40,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:28:40,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:28:40,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:28:40,507 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:28:40,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:28:40" (1/1) ... [2018-12-02 13:28:40,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:40, skipping insertion in model container [2018-12-02 13:28:40,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:28:40" (1/1) ... [2018-12-02 13:28:40,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:28:40,539 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:28:40,701 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:28:40,746 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:28:40,797 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:28:40,816 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:28:40,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:40 WrapperNode [2018-12-02 13:28:40,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:28:40,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:28:40,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:28:40,818 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:28:40,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:40" (1/1) ... [2018-12-02 13:28:40,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:40" (1/1) ... [2018-12-02 13:28:40,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:28:40,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:28:40,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:28:40,853 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:28:40,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:40" (1/1) ... [2018-12-02 13:28:40,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:40" (1/1) ... [2018-12-02 13:28:40,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:40" (1/1) ... [2018-12-02 13:28:40,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:40" (1/1) ... [2018-12-02 13:28:40,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:40" (1/1) ... [2018-12-02 13:28:40,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:40" (1/1) ... [2018-12-02 13:28:40,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:40" (1/1) ... [2018-12-02 13:28:40,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:28:40,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:28:40,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:28:40,871 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:28:40,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6b010e1-5a18-4d71-9a47-b92bd8e3d735/bin-2019/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 [2018-12-02 13:28:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:28:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 13:28:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 13:28:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 13:28:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 13:28:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 13:28:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 13:28:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 13:28:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 13:28:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 13:28:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 13:28:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 13:28:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 13:28:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 13:28:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:28:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:28:41,275 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:28:41,276 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-02 13:28:41,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:28:41 BoogieIcfgContainer [2018-12-02 13:28:41,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:28:41,276 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 13:28:41,277 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 13:28:41,286 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 13:28:41,287 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:28:41" (1/1) ... [2018-12-02 13:28:41,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:28:41,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:41,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2018-12-02 13:28:41,323 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2018-12-02 13:28:41,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 13:28:41,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:41,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:41,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:41,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-12-02 13:28:41,469 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-12-02 13:28:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 13:28:41,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:41,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:41,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:41,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2018-12-02 13:28:41,541 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2018-12-02 13:28:41,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 13:28:41,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:41,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:41,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2018-12-02 13:28:41,630 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2018-12-02 13:28:41,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 13:28:41,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:41,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:41,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:41,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2018-12-02 13:28:41,782 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2018-12-02 13:28:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 13:28:41,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:41,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:41,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2018-12-02 13:28:41,811 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2018-12-02 13:28:41,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 13:28:41,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:41,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:41,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:41,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2018-12-02 13:28:41,836 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2018-12-02 13:28:41,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 13:28:41,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:41,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:42,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:42,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 125 transitions. [2018-12-02 13:28:42,230 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2018-12-02 13:28:42,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 13:28:42,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:42,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:42,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:42,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 88 states and 146 transitions. [2018-12-02 13:28:42,601 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 146 transitions. [2018-12-02 13:28:42,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 13:28:42,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:42,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:42,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 90 states and 147 transitions. [2018-12-02 13:28:42,718 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 147 transitions. [2018-12-02 13:28:42,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 13:28:42,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:42,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:42,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 91 states and 148 transitions. [2018-12-02 13:28:42,795 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2018-12-02 13:28:42,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 13:28:42,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:42,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:42,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:42,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 100 states and 166 transitions. [2018-12-02 13:28:42,930 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2018-12-02 13:28:42,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 13:28:42,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:42,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:42,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:42,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 167 transitions. [2018-12-02 13:28:42,953 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2018-12-02 13:28:42,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 13:28:42,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:42,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:43,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:43,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 108 states and 184 transitions. [2018-12-02 13:28:43,153 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2018-12-02 13:28:43,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 13:28:43,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:43,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:43,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:43,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 109 states and 185 transitions. [2018-12-02 13:28:43,179 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2018-12-02 13:28:43,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 13:28:43,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:43,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:43,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:43,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 110 states and 188 transitions. [2018-12-02 13:28:43,285 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 188 transitions. [2018-12-02 13:28:43,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 13:28:43,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:43,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:43,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 111 states and 191 transitions. [2018-12-02 13:28:43,316 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 191 transitions. [2018-12-02 13:28:43,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 13:28:43,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:43,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:43,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 114 states and 198 transitions. [2018-12-02 13:28:43,480 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 198 transitions. [2018-12-02 13:28:43,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 13:28:43,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:43,491 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:43,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:43,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 119 states and 207 transitions. [2018-12-02 13:28:43,614 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 207 transitions. [2018-12-02 13:28:43,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 13:28:43,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:43,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:43,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:43,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 120 states and 207 transitions. [2018-12-02 13:28:43,640 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 207 transitions. [2018-12-02 13:28:43,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 13:28:43,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:43,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 13:28:43,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:43,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 208 transitions. [2018-12-02 13:28:43,767 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2018-12-02 13:28:43,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 13:28:43,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:43,830 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 13:28:44,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:44,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 134 states and 248 transitions. [2018-12-02 13:28:44,273 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 248 transitions. [2018-12-02 13:28:44,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 13:28:44,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:44,292 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 13:28:44,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:44,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 138 states and 255 transitions. [2018-12-02 13:28:44,599 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 255 transitions. [2018-12-02 13:28:44,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 13:28:44,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:44,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:28:45,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:45,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 277 transitions. [2018-12-02 13:28:45,978 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 277 transitions. [2018-12-02 13:28:45,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 13:28:45,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:45,991 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 13:28:46,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:46,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 147 states and 278 transitions. [2018-12-02 13:28:46,001 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 278 transitions. [2018-12-02 13:28:46,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 13:28:46,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:46,020 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 13:28:46,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:46,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 148 states and 279 transitions. [2018-12-02 13:28:46,030 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2018-12-02 13:28:46,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 13:28:46,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:46,043 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 13:28:46,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:46,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 149 states and 276 transitions. [2018-12-02 13:28:46,208 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 276 transitions. [2018-12-02 13:28:46,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 13:28:46,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:46,246 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 13:28:46,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:46,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 152 states and 276 transitions. [2018-12-02 13:28:46,627 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 276 transitions. [2018-12-02 13:28:46,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 13:28:46,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:46,669 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 13:28:46,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:46,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 154 states and 278 transitions. [2018-12-02 13:28:46,832 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 278 transitions. [2018-12-02 13:28:46,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 13:28:46,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 13:28:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:47,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 125 states and 212 transitions. [2018-12-02 13:28:47,028 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions. [2018-12-02 13:28:47,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 13:28:47,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:47,039 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 13:28:47,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:47,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 130 states and 219 transitions. [2018-12-02 13:28:47,061 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 219 transitions. [2018-12-02 13:28:47,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 13:28:47,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:47,071 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 13:28:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:47,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 118 states and 195 transitions. [2018-12-02 13:28:47,083 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2018-12-02 13:28:47,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 13:28:47,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:47,094 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 13:28:47,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:47,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 116 states and 191 transitions. [2018-12-02 13:28:47,119 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2018-12-02 13:28:47,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 13:28:47,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:28:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:28:47,130 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 13:28:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:28:47,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 70 states and 105 transitions. [2018-12-02 13:28:47,144 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions. [2018-12-02 13:28:47,145 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 13:28:47,145 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-12-02 13:28:47,151 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 13:28:47,292 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 13:28:47,294 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 13:28:47,294 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 13:28:47,294 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-02 13:28:47,297 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 13:28:47,297 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 13:28:47,297 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 13:28:47,297 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 13:28:47,297 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-02 13:28:47,298 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 13:28:47,298 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 13:28:47,298 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 13:28:47,298 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-02 13:28:47,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 01:28:47 ImpRootNode [2018-12-02 13:28:47,299 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 13:28:47,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:28:47,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:28:47,299 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:28:47,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:28:41" (3/4) ... [2018-12-02 13:28:47,302 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 13:28:47,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 13:28:47,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 13:28:47,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 13:28:47,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 13:28:47,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 13:28:47,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 13:28:47,310 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2018-12-02 13:28:47,310 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-02 13:28:47,310 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 13:28:47,310 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 13:28:47,310 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 13:28:47,311 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 13:28:47,328 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || (!(systemActive == 0) && \old(pumpRunning) == pumpRunning) [2018-12-02 13:28:47,328 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-12-02 13:28:47,346 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c6b010e1-5a18-4d71-9a47-b92bd8e3d735/bin-2019/ukojak/witness.graphml [2018-12-02 13:28:47,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:28:47,347 INFO L168 Benchmark]: Toolchain (without parser) took 6843.70 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 369.1 MB). Free memory was 961.4 MB in the beginning and 1.2 GB in the end (delta: -239.4 MB). Peak memory consumption was 129.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:28:47,348 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:28:47,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:28:47,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.66 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. [2018-12-02 13:28:47,349 INFO L168 Benchmark]: Boogie Preprocessor took 18.31 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. [2018-12-02 13:28:47,349 INFO L168 Benchmark]: RCFGBuilder took 405.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.6 MB). Peak memory consumption was 67.6 MB. Max. memory is 11.5 GB. [2018-12-02 13:28:47,349 INFO L168 Benchmark]: CodeCheck took 6022.55 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 227.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -153.6 MB). Peak memory consumption was 74.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:28:47,349 INFO L168 Benchmark]: Witness Printer took 47.30 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: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:28:47,350 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 66 locations, 1 error locations. SAFE Result, 5.8s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -187110068 SDtfs, 1983198044 SDslu, 444732428 SDs, 0 SdLazy, 1370157020 SolverSat, 950813996 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10376 GetRequests, 10046 SyntacticMatches, 146 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14698 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1016 NumberOfCodeBlocks, 1016 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 983 ConstructedInterpolants, 0 QuantifiedInterpolants, 75358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 25 PerfectInterpolantSequences, 254/284 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 890]: 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: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((tmp == systemActive && 0 == pumpRunning) && 1 == waterLevel) && tmp == 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || (!(systemActive == 0) && \old(pumpRunning) == pumpRunning) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.66 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 18.31 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 405.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.6 MB). Peak memory consumption was 67.6 MB. Max. memory is 11.5 GB. * CodeCheck took 6022.55 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 227.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -153.6 MB). Peak memory consumption was 74.0 MB. Max. memory is 11.5 GB. * Witness Printer took 47.30 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: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...