./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ffa060fb-f513-4aa2-8529-1e390e40bafe/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ffa060fb-f513-4aa2-8529-1e390e40bafe/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ffa060fb-f513-4aa2-8529-1e390e40bafe/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ffa060fb-f513-4aa2-8529-1e390e40bafe/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ffa060fb-f513-4aa2-8529-1e390e40bafe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ffa060fb-f513-4aa2-8529-1e390e40bafe/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 bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:17:09,783 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:17:09,784 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:17:09,791 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:17:09,791 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:17:09,792 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:17:09,793 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:17:09,794 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:17:09,795 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:17:09,796 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:17:09,797 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:17:09,797 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:17:09,798 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:17:09,798 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:17:09,799 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:17:09,799 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:17:09,799 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:17:09,800 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:17:09,802 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:17:09,802 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:17:09,803 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:17:09,804 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:17:09,805 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:17:09,805 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:17:09,805 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:17:09,806 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:17:09,806 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:17:09,807 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:17:09,807 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:17:09,808 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:17:09,808 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:17:09,809 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:17:09,809 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:17:09,809 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:17:09,810 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:17:09,810 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:17:09,810 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ffa060fb-f513-4aa2-8529-1e390e40bafe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:17:09,821 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:17:09,821 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:17:09,822 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:17:09,822 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:17:09,822 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:17:09,822 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:17:09,823 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:17:09,823 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:17:09,823 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:17:09,823 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:17:09,823 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:17:09,823 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:17:09,823 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:17:09,824 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:17:09,824 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:17:09,824 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:17:09,824 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:17:09,824 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:17:09,824 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:17:09,824 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:17:09,824 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:17:09,824 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:17:09,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:17:09,824 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:17:09,824 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:17:09,825 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:17:09,825 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:17:09,825 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:17:09,825 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:17:09,825 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_ffa060fb-f513-4aa2-8529-1e390e40bafe/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 -> bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 [2018-11-18 11:17:09,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:17:09,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:17:09,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:17:09,858 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:17:09,858 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:17:09,859 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ffa060fb-f513-4aa2-8529-1e390e40bafe/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2018-11-18 11:17:09,895 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffa060fb-f513-4aa2-8529-1e390e40bafe/bin-2019/ukojak/data/a528543f2/c9420b6b3e394371ac13cedec979706f/FLAGfbc7a7f3c [2018-11-18 11:17:10,340 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:17:10,340 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ffa060fb-f513-4aa2-8529-1e390e40bafe/sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2018-11-18 11:17:10,351 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffa060fb-f513-4aa2-8529-1e390e40bafe/bin-2019/ukojak/data/a528543f2/c9420b6b3e394371ac13cedec979706f/FLAGfbc7a7f3c [2018-11-18 11:17:10,363 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ffa060fb-f513-4aa2-8529-1e390e40bafe/bin-2019/ukojak/data/a528543f2/c9420b6b3e394371ac13cedec979706f [2018-11-18 11:17:10,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:17:10,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:17:10,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:17:10,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:17:10,370 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:17:10,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:17:10" (1/1) ... [2018-11-18 11:17:10,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:10, skipping insertion in model container [2018-11-18 11:17:10,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:17:10" (1/1) ... [2018-11-18 11:17:10,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:17:10,410 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:17:10,608 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:17:10,616 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:17:10,721 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:17:10,744 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:17:10,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:10 WrapperNode [2018-11-18 11:17:10,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:17:10,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:17:10,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:17:10,745 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:17:10,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:10" (1/1) ... [2018-11-18 11:17:10,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:10" (1/1) ... [2018-11-18 11:17:10,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:17:10,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:17:10,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:17:10,781 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:17:10,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:10" (1/1) ... [2018-11-18 11:17:10,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:10" (1/1) ... [2018-11-18 11:17:10,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:10" (1/1) ... [2018-11-18 11:17:10,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:10" (1/1) ... [2018-11-18 11:17:10,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:10" (1/1) ... [2018-11-18 11:17:10,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:10" (1/1) ... [2018-11-18 11:17:10,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:10" (1/1) ... [2018-11-18 11:17:10,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:17:10,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:17:10,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:17:10,805 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:17:10,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffa060fb-f513-4aa2-8529-1e390e40bafe/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 [2018-11-18 11:17:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:17:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 11:17:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 11:17:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:17:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:17:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:17:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:17:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:17:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:17:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:17:10,845 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:17:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 11:17:10,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 11:17:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:17:10,845 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:17:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:17:10,845 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:17:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:17:10,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:17:11,516 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:17:11,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:17:11 BoogieIcfgContainer [2018-11-18 11:17:11,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:17:11,517 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:17:11,517 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:17:11,524 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:17:11,524 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:17:11" (1/1) ... [2018-11-18 11:17:11,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:11,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2018-11-18 11:17:11,560 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2018-11-18 11:17:11,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 11:17:11,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:11,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:11,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:11,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 66 states and 87 transitions. [2018-11-18 11:17:11,721 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2018-11-18 11:17:11,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 11:17:11,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:11,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:11,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2018-11-18 11:17:11,833 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2018-11-18 11:17:11,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 11:17:11,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:11,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:11,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2018-11-18 11:17:11,955 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2018-11-18 11:17:11,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 11:17:11,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:12,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:12,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 114 transitions. [2018-11-18 11:17:12,171 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2018-11-18 11:17:12,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:17:12,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:12,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:12,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 82 states and 115 transitions. [2018-11-18 11:17:12,234 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2018-11-18 11:17:12,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 11:17:12,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:12,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:12,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:12,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 99 states and 148 transitions. [2018-11-18 11:17:12,587 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 148 transitions. [2018-11-18 11:17:12,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:17:12,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:12,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:12,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:12,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 100 states and 149 transitions. [2018-11-18 11:17:12,651 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 149 transitions. [2018-11-18 11:17:12,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:17:12,652 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:12,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:12,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 101 states and 150 transitions. [2018-11-18 11:17:12,715 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2018-11-18 11:17:12,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:17:12,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:12,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:12,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:12,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 102 states and 151 transitions. [2018-11-18 11:17:12,759 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 151 transitions. [2018-11-18 11:17:12,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 11:17:12,761 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:12,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:13,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:13,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 118 states and 191 transitions. [2018-11-18 11:17:13,346 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 191 transitions. [2018-11-18 11:17:13,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 11:17:13,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:13,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:13,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 119 states and 192 transitions. [2018-11-18 11:17:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 192 transitions. [2018-11-18 11:17:13,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 11:17:13,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:13,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:13,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 126 states and 212 transitions. [2018-11-18 11:17:13,632 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 212 transitions. [2018-11-18 11:17:13,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 11:17:13,634 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:13,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 128 states and 213 transitions. [2018-11-18 11:17:13,710 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 213 transitions. [2018-11-18 11:17:13,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 11:17:13,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:13,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:13,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:13,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 130 states and 218 transitions. [2018-11-18 11:17:13,926 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 218 transitions. [2018-11-18 11:17:13,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 11:17:13,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:13,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:14,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:14,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 128 states and 212 transitions. [2018-11-18 11:17:14,009 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 212 transitions. [2018-11-18 11:17:14,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 11:17:14,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:14,082 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:14,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:14,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 139 states and 236 transitions. [2018-11-18 11:17:14,412 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 236 transitions. [2018-11-18 11:17:14,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 11:17:14,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:14,430 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:14,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:14,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 145 states and 248 transitions. [2018-11-18 11:17:14,623 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 248 transitions. [2018-11-18 11:17:14,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 11:17:14,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:14,641 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:14,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:14,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 146 states and 249 transitions. [2018-11-18 11:17:14,665 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 249 transitions. [2018-11-18 11:17:14,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 11:17:14,666 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:14,687 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:17:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:15,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 159 states and 288 transitions. [2018-11-18 11:17:15,044 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 288 transitions. [2018-11-18 11:17:15,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 11:17:15,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:15,076 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:17:15,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:15,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 162 states and 291 transitions. [2018-11-18 11:17:15,200 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 291 transitions. [2018-11-18 11:17:15,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 11:17:15,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:15,229 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:15,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:15,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 163 states and 293 transitions. [2018-11-18 11:17:15,278 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 293 transitions. [2018-11-18 11:17:15,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 11:17:15,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:15,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:15,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 164 states and 295 transitions. [2018-11-18 11:17:15,380 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 295 transitions. [2018-11-18 11:17:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 11:17:15,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:15,581 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:16,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 172 states and 320 transitions. [2018-11-18 11:17:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 320 transitions. [2018-11-18 11:17:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 11:17:16,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:17:16,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:16,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 173 states and 321 transitions. [2018-11-18 11:17:16,702 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 321 transitions. [2018-11-18 11:17:16,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 11:17:16,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:17:16,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:16,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 174 states and 322 transitions. [2018-11-18 11:17:16,756 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 322 transitions. [2018-11-18 11:17:16,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 11:17:16,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:16,783 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:17:16,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:16,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 175 states and 322 transitions. [2018-11-18 11:17:16,982 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 322 transitions. [2018-11-18 11:17:16,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:17:16,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:17,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:17,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 192 states and 370 transitions. [2018-11-18 11:17:17,799 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 370 transitions. [2018-11-18 11:17:17,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:17:17,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:17,822 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:18,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:18,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 198 states and 390 transitions. [2018-11-18 11:17:18,562 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 390 transitions. [2018-11-18 11:17:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 11:17:18,563 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:18,584 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:18,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 199 states and 394 transitions. [2018-11-18 11:17:18,758 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 394 transitions. [2018-11-18 11:17:18,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 11:17:18,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:19,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 202 states and 397 transitions. [2018-11-18 11:17:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 397 transitions. [2018-11-18 11:17:19,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 11:17:19,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:19,275 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:19,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:19,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 203 states and 394 transitions. [2018-11-18 11:17:19,428 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 394 transitions. [2018-11-18 11:17:19,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:17:19,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:19,453 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:19,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:19,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 204 states and 395 transitions. [2018-11-18 11:17:19,474 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 395 transitions. [2018-11-18 11:17:19,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:17:19,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:19,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:19,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 205 states and 396 transitions. [2018-11-18 11:17:19,526 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 396 transitions. [2018-11-18 11:17:19,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:17:19,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:19,646 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 11:17:20,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:20,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 208 states and 402 transitions. [2018-11-18 11:17:20,444 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 402 transitions. [2018-11-18 11:17:20,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 11:17:20,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:20,506 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 11:17:20,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:20,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 210 states and 408 transitions. [2018-11-18 11:17:20,905 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 408 transitions. [2018-11-18 11:17:20,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:17:20,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:20,930 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 11:17:20,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:20,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 215 states and 415 transitions. [2018-11-18 11:17:20,969 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 415 transitions. [2018-11-18 11:17:20,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 11:17:20,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:21,025 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:17:21,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:21,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 218 states and 421 transitions. [2018-11-18 11:17:21,379 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 421 transitions. [2018-11-18 11:17:21,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 11:17:21,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:21,418 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 11:17:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:21,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 218 states and 417 transitions. [2018-11-18 11:17:21,591 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 417 transitions. [2018-11-18 11:17:21,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 11:17:21,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:21,719 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:22,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:22,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 219 states and 417 transitions. [2018-11-18 11:17:22,369 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 417 transitions. [2018-11-18 11:17:22,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 11:17:22,369 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 11:17:22,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 217 states and 413 transitions. [2018-11-18 11:17:22,415 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 413 transitions. [2018-11-18 11:17:22,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 11:17:22,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:22,430 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 11:17:22,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:22,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 214 states and 406 transitions. [2018-11-18 11:17:22,445 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 406 transitions. [2018-11-18 11:17:22,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 11:17:22,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:22,461 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 11:17:22,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:22,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 199 states and 377 transitions. [2018-11-18 11:17:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 377 transitions. [2018-11-18 11:17:22,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 11:17:22,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:22,507 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:17:22,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:22,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 208 states and 394 transitions. [2018-11-18 11:17:22,857 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 394 transitions. [2018-11-18 11:17:22,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 11:17:22,858 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:22,881 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:17:23,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:23,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 211 states and 396 transitions. [2018-11-18 11:17:23,095 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 396 transitions. [2018-11-18 11:17:23,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 11:17:23,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:23,112 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:17:23,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:23,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 212 states and 397 transitions. [2018-11-18 11:17:23,123 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 397 transitions. [2018-11-18 11:17:23,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 11:17:23,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:17:23,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:23,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 213 states and 398 transitions. [2018-11-18 11:17:23,157 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 398 transitions. [2018-11-18 11:17:23,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 11:17:23,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:23,213 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 11:17:23,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:23,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 216 states and 402 transitions. [2018-11-18 11:17:23,508 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 402 transitions. [2018-11-18 11:17:23,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 11:17:23,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:23,526 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 11:17:23,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:23,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 221 states and 411 transitions. [2018-11-18 11:17:23,928 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 411 transitions. [2018-11-18 11:17:23,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 11:17:23,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:17:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:24,132 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:17:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:17:25,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 132 states and 209 transitions. [2018-11-18 11:17:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 209 transitions. [2018-11-18 11:17:25,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:17:25,326 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 50 iterations. [2018-11-18 11:17:25,334 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:17:25,640 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:17:25,642 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:17:25,642 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:17:25,642 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:17:25,643 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-18 11:17:25,646 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:17:25,646 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:17:25,646 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:17:25,646 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:17:25,646 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:17:25,646 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:17:25,646 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:17:25,646 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:17:25,647 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:17:25,647 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 11:17:25,647 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:17:25,647 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:17:25,647 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 11:17:25,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:17:25 ImpRootNode [2018-11-18 11:17:25,649 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:17:25,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:17:25,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:17:25,650 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:17:25,650 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:17:11" (3/4) ... [2018-11-18 11:17:25,652 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:17:25,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:17:25,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 11:17:25,657 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:17:25,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:17:25,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:17:25,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:17:25,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:17:25,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 11:17:25,664 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-11-18 11:17:25,664 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 11:17:25,664 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 11:17:25,686 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((!(1 == waterLevel) && systemActive == 1) && \old(pumpRunning) == pumpRunning) [2018-11-18 11:17:25,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-11-18 11:17:25,720 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ffa060fb-f513-4aa2-8529-1e390e40bafe/bin-2019/ukojak/witness.graphml [2018-11-18 11:17:25,721 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:17:25,721 INFO L168 Benchmark]: Toolchain (without parser) took 15354.96 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 413.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 233.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:25,722 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:17:25,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:25,722 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.86 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:25,723 INFO L168 Benchmark]: Boogie Preprocessor took 23.70 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:25,723 INFO L168 Benchmark]: RCFGBuilder took 712.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:25,723 INFO L168 Benchmark]: CodeCheck took 14131.81 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 273.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -99.6 MB). Peak memory consumption was 173.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:25,723 INFO L168 Benchmark]: Witness Printer took 71.32 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:25,725 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 9 procedures, 93 locations, 1 error locations. SAFE Result, 13.7s OverallTime, 50 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 789449880 SDtfs, -169263332 SDslu, 463509298 SDs, 0 SdLazy, -1848869094 SolverSat, 110125780 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21656 GetRequests, 21111 SyntacticMatches, 229 SemanticMatches, 316 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52433 ImplicationChecksByTransitivity, 10.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2014 NumberOfCodeBlocks, 2014 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 1965 ConstructedInterpolants, 0 QuantifiedInterpolants, 219666 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 41 PerfectInterpolantSequences, 692/740 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: 111]: 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: 898]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((!(1 == waterLevel) && systemActive == 1) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && systemActive == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.86 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.70 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 712.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * CodeCheck took 14131.81 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 273.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -99.6 MB). Peak memory consumption was 173.6 MB. Max. memory is 11.5 GB. * Witness Printer took 71.32 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 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...