./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16_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_f45d17bb-2bab-4d9d-84e1-19f873c8650c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f45d17bb-2bab-4d9d-84e1-19f873c8650c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f45d17bb-2bab-4d9d-84e1-19f873c8650c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f45d17bb-2bab-4d9d-84e1-19f873c8650c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f45d17bb-2bab-4d9d-84e1-19f873c8650c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f45d17bb-2bab-4d9d-84e1-19f873c8650c/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 d073e73520d645b8f7658ef35479d738282f57bd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:07:15,872 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:07:15,873 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:07:15,880 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:07:15,880 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:07:15,881 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:07:15,882 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:07:15,883 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:07:15,884 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:07:15,884 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:07:15,885 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:07:15,885 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:07:15,886 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:07:15,886 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:07:15,887 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:07:15,888 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:07:15,888 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:07:15,890 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:07:15,891 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:07:15,892 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:07:15,893 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:07:15,893 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:07:15,895 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:07:15,895 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:07:15,895 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:07:15,896 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:07:15,896 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:07:15,897 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:07:15,897 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:07:15,898 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:07:15,899 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:07:15,899 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:07:15,899 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:07:15,899 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:07:15,900 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:07:15,900 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:07:15,901 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f45d17bb-2bab-4d9d-84e1-19f873c8650c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:07:15,910 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:07:15,911 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:07:15,911 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:07:15,911 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:07:15,912 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:07:15,912 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:07:15,912 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:07:15,912 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:07:15,912 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:07:15,913 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:07:15,913 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:07:15,913 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:07:15,913 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:07:15,913 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:07:15,913 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:07:15,913 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:07:15,914 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:07:15,914 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:07:15,914 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:07:15,914 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:07:15,914 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:07:15,914 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:07:15,915 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:07:15,915 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:07:15,915 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:07:15,915 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:07:15,915 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:07:15,915 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:07:15,915 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:07:15,916 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_f45d17bb-2bab-4d9d-84e1-19f873c8650c/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 -> d073e73520d645b8f7658ef35479d738282f57bd [2018-11-18 11:07:15,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:07:15,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:07:15,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:07:15,947 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:07:15,947 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:07:15,948 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f45d17bb-2bab-4d9d-84e1-19f873c8650c/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product16_true-unreach-call_false-termination.cil.c [2018-11-18 11:07:15,982 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f45d17bb-2bab-4d9d-84e1-19f873c8650c/bin-2019/ukojak/data/0cc446ccc/b28ea267f7fa42deb06c5bfcc591679b/FLAGdec581e19 [2018-11-18 11:07:16,405 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:07:16,406 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f45d17bb-2bab-4d9d-84e1-19f873c8650c/sv-benchmarks/c/product-lines/minepump_spec2_product16_true-unreach-call_false-termination.cil.c [2018-11-18 11:07:16,412 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f45d17bb-2bab-4d9d-84e1-19f873c8650c/bin-2019/ukojak/data/0cc446ccc/b28ea267f7fa42deb06c5bfcc591679b/FLAGdec581e19 [2018-11-18 11:07:16,420 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f45d17bb-2bab-4d9d-84e1-19f873c8650c/bin-2019/ukojak/data/0cc446ccc/b28ea267f7fa42deb06c5bfcc591679b [2018-11-18 11:07:16,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:07:16,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:07:16,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:07:16,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:07:16,427 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:07:16,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:07:16" (1/1) ... [2018-11-18 11:07:16,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af69b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:16, skipping insertion in model container [2018-11-18 11:07:16,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:07:16" (1/1) ... [2018-11-18 11:07:16,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:07:16,472 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:07:16,664 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:07:16,672 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:07:16,765 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:07:16,783 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:07:16,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:16 WrapperNode [2018-11-18 11:07:16,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:07:16,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:07:16,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:07:16,784 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:07:16,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:16" (1/1) ... [2018-11-18 11:07:16,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:16" (1/1) ... [2018-11-18 11:07:16,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:07:16,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:07:16,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:07:16,813 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:07:16,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:16" (1/1) ... [2018-11-18 11:07:16,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:16" (1/1) ... [2018-11-18 11:07:16,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:16" (1/1) ... [2018-11-18 11:07:16,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:16" (1/1) ... [2018-11-18 11:07:16,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:16" (1/1) ... [2018-11-18 11:07:16,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:16" (1/1) ... [2018-11-18 11:07:16,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:16" (1/1) ... [2018-11-18 11:07:16,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:07:16,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:07:16,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:07:16,836 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:07:16,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:07:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f45d17bb-2bab-4d9d-84e1-19f873c8650c/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 11:07:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:07:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:07:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:07:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:07:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:07:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 11:07:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 11:07:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:07:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:07:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:07:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:07:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 11:07:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 11:07:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:07:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:07:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:07:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:07:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:07:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:07:17,521 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:07:17,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:07:17 BoogieIcfgContainer [2018-11-18 11:07:17,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:07:17,522 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:07:17,522 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:07:17,528 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:07:17,528 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:07:17" (1/1) ... [2018-11-18 11:07:17,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:07:17,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:17,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2018-11-18 11:07:17,563 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2018-11-18 11:07:17,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 11:07:17,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:17,714 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 11:07:17,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:17,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 65 states and 84 transitions. [2018-11-18 11:07:17,725 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2018-11-18 11:07:17,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 11:07:17,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:17,790 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 11:07:17,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 68 states and 88 transitions. [2018-11-18 11:07:17,806 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2018-11-18 11:07:17,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 11:07:17,807 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:17,910 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 11:07:18,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:18,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2018-11-18 11:07:18,015 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2018-11-18 11:07:18,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 11:07:18,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:18,067 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 11:07:18,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:18,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 80 states and 109 transitions. [2018-11-18 11:07:18,239 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2018-11-18 11:07:18,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 11:07:18,240 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:18,355 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 11:07:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:18,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 98 states and 144 transitions. [2018-11-18 11:07:18,772 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 144 transitions. [2018-11-18 11:07:18,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:07:18,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:18,808 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 11:07:18,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:18,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 99 states and 145 transitions. [2018-11-18 11:07:18,829 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 145 transitions. [2018-11-18 11:07:18,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:07:18,830 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:18,862 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 11:07:18,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:18,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 100 states and 146 transitions. [2018-11-18 11:07:18,892 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 146 transitions. [2018-11-18 11:07:18,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 11:07:18,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:18,928 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 11:07:18,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:18,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 101 states and 147 transitions. [2018-11-18 11:07:18,934 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2018-11-18 11:07:18,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 11:07:18,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:18,966 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 11:07:19,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:19,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 106 states and 159 transitions. [2018-11-18 11:07:19,067 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 159 transitions. [2018-11-18 11:07:19,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 11:07:19,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:19,103 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 11:07:19,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:19,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 107 states and 160 transitions. [2018-11-18 11:07:19,119 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 160 transitions. [2018-11-18 11:07:19,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 11:07:19,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:19,238 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 11:07:19,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 127 states and 198 transitions. [2018-11-18 11:07:20,000 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 198 transitions. [2018-11-18 11:07:20,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 11:07:20,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:20,051 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 11:07:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:20,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 131 states and 204 transitions. [2018-11-18 11:07:20,147 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 204 transitions. [2018-11-18 11:07:20,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 11:07:20,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:20,203 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 11:07:20,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:20,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 132 states and 205 transitions. [2018-11-18 11:07:20,211 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 205 transitions. [2018-11-18 11:07:20,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 11:07:20,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:20,232 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 11:07:20,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:20,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 137 states and 215 transitions. [2018-11-18 11:07:20,259 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 215 transitions. [2018-11-18 11:07:20,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 11:07:20,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:20,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:07:20,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:20,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 141 states and 224 transitions. [2018-11-18 11:07:20,307 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 224 transitions. [2018-11-18 11:07:20,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 11:07:20,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:20,354 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:07:20,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:20,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 149 states and 244 transitions. [2018-11-18 11:07:20,551 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 244 transitions. [2018-11-18 11:07:20,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 11:07:20,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:07:20,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:20,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 150 states and 245 transitions. [2018-11-18 11:07:20,609 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2018-11-18 11:07:20,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:07:20,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:20,640 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:07:20,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:20,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 148 states and 241 transitions. [2018-11-18 11:07:20,668 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 241 transitions. [2018-11-18 11:07:20,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:07:20,671 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:07:21,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:21,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 151 states and 248 transitions. [2018-11-18 11:07:21,372 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 248 transitions. [2018-11-18 11:07:21,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 11:07:21,373 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:21,389 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:07:21,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:21,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 154 states and 254 transitions. [2018-11-18 11:07:21,685 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 254 transitions. [2018-11-18 11:07:21,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 11:07:21,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:21,702 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:07:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:21,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 157 states and 262 transitions. [2018-11-18 11:07:21,859 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 262 transitions. [2018-11-18 11:07:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:07:21,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:07:21,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 158 states and 263 transitions. [2018-11-18 11:07:21,885 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 263 transitions. [2018-11-18 11:07:21,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 11:07:21,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:21,902 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:07:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:22,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 161 states and 269 transitions. [2018-11-18 11:07:22,156 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 269 transitions. [2018-11-18 11:07:22,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 11:07:22,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:22,180 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:07:22,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:22,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 164 states and 271 transitions. [2018-11-18 11:07:22,322 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 271 transitions. [2018-11-18 11:07:22,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 11:07:22,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:22,353 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:07:22,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:22,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 173 states and 284 transitions. [2018-11-18 11:07:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 284 transitions. [2018-11-18 11:07:22,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 11:07:22,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:22,509 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:07:22,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:22,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 176 states and 286 transitions. [2018-11-18 11:07:22,652 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 286 transitions. [2018-11-18 11:07:22,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:07:22,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:22,670 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:07:22,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:22,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 177 states and 287 transitions. [2018-11-18 11:07:22,679 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 287 transitions. [2018-11-18 11:07:22,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:07:22,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:22,749 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:07:23,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:23,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 195 states and 326 transitions. [2018-11-18 11:07:23,957 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 326 transitions. [2018-11-18 11:07:23,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:07:23,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:23,975 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:07:24,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:24,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 198 states and 328 transitions. [2018-11-18 11:07:24,139 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 328 transitions. [2018-11-18 11:07:24,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 11:07:24,140 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:24,160 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:07:25,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:25,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 211 states and 357 transitions. [2018-11-18 11:07:25,170 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 357 transitions. [2018-11-18 11:07:25,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 11:07:25,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:07:25,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 214 states and 360 transitions. [2018-11-18 11:07:25,402 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 360 transitions. [2018-11-18 11:07:25,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 11:07:25,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:25,430 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:07:25,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:25,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 215 states and 361 transitions. [2018-11-18 11:07:25,443 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 361 transitions. [2018-11-18 11:07:25,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 11:07:25,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:25,575 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:07:25,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:25,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 218 states and 364 transitions. [2018-11-18 11:07:25,652 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 364 transitions. [2018-11-18 11:07:25,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 11:07:25,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:25,737 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:07:26,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:26,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 225 states and 377 transitions. [2018-11-18 11:07:26,200 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 377 transitions. [2018-11-18 11:07:26,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 11:07:26,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:26,218 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:07:26,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:26,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 226 states and 378 transitions. [2018-11-18 11:07:26,242 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 378 transitions. [2018-11-18 11:07:26,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 11:07:26,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:26,299 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:07:26,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:26,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 232 states and 386 transitions. [2018-11-18 11:07:26,813 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 386 transitions. [2018-11-18 11:07:26,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 11:07:26,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:26,889 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:07:26,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:26,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 233 states and 387 transitions. [2018-11-18 11:07:26,901 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 387 transitions. [2018-11-18 11:07:26,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 11:07:26,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:26,959 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:07:27,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:27,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 236 states and 390 transitions. [2018-11-18 11:07:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 390 transitions. [2018-11-18 11:07:27,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 11:07:27,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:07:27,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:27,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 178 states and 271 transitions. [2018-11-18 11:07:27,773 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 271 transitions. [2018-11-18 11:07:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 11:07:27,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:27,789 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:07:27,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:27,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 183 states and 278 transitions. [2018-11-18 11:07:27,892 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 278 transitions. [2018-11-18 11:07:27,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 11:07:27,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:07:27,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 181 states and 274 transitions. [2018-11-18 11:07:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 274 transitions. [2018-11-18 11:07:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 11:07:27,951 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:27,974 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:07:28,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:28,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 182 states and 277 transitions. [2018-11-18 11:07:28,185 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 277 transitions. [2018-11-18 11:07:28,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 11:07:28,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:28,209 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 11:07:29,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:29,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 185 states and 278 transitions. [2018-11-18 11:07:29,017 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 278 transitions. [2018-11-18 11:07:29,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 11:07:29,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:07:29,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:29,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 188 states and 281 transitions. [2018-11-18 11:07:29,052 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 281 transitions. [2018-11-18 11:07:29,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 11:07:29,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:07:29,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:29,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 190 states and 283 transitions. [2018-11-18 11:07:29,125 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 283 transitions. [2018-11-18 11:07:29,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 11:07:29,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:07:29,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:29,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 181 states and 266 transitions. [2018-11-18 11:07:29,175 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 266 transitions. [2018-11-18 11:07:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 11:07:29,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:29,199 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:07:29,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 183 states and 269 transitions. [2018-11-18 11:07:29,221 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 269 transitions. [2018-11-18 11:07:29,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 11:07:29,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:29,246 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 11:07:29,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:29,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 184 states and 270 transitions. [2018-11-18 11:07:29,282 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 270 transitions. [2018-11-18 11:07:29,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 11:07:29,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:07:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:07:29,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:07:29,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 113 states and 147 transitions. [2018-11-18 11:07:29,319 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 147 transitions. [2018-11-18 11:07:29,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:07:29,320 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 50 iterations. [2018-11-18 11:07:29,327 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:07:29,587 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:07:29,589 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:07:29,589 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 11:07:29,593 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:07:29,593 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:07:29,593 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 11:07:29,594 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:07:29,594 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 11:07:29,594 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:07:29,595 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:07:29,595 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:07:29,595 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:07:29,595 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:07:29,595 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:07:29,595 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:07:29,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:07:29 ImpRootNode [2018-11-18 11:07:29,595 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:07:29,596 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:07:29,596 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:07:29,596 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:07:29,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:07:17" (3/4) ... [2018-11-18 11:07:29,599 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:07:29,604 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:07:29,604 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:07:29,604 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:07:29,604 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:07:29,604 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 11:07:29,605 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:07:29,605 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:07:29,605 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 11:07:29,611 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2018-11-18 11:07:29,611 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:07:29,611 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:07:29,635 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(systemActive == 0))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-18 11:07:29,635 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (tmp == methaneLevelCritical || (!(\old(pumpRunning) == pumpRunning) && !(0 == tmp))) || (!(0 == pumpRunning) && !(0 == tmp)) [2018-11-18 11:07:29,669 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f45d17bb-2bab-4d9d-84e1-19f873c8650c/bin-2019/ukojak/witness.graphml [2018-11-18 11:07:29,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:07:29,670 INFO L168 Benchmark]: Toolchain (without parser) took 13246.66 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 503.3 MB). Free memory was 956.4 MB in the beginning and 1.5 GB in the end (delta: -526.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:07:29,671 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:07:29,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:07:29,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.59 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:07:29,671 INFO L168 Benchmark]: Boogie Preprocessor took 22.15 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. [2018-11-18 11:07:29,671 INFO L168 Benchmark]: RCFGBuilder took 686.26 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: 77.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:07:29,672 INFO L168 Benchmark]: CodeCheck took 12073.26 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 361.2 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -433.8 MB). Peak memory consumption was 600.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:07:29,672 INFO L168 Benchmark]: Witness Printer took 73.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 336.5 kB). Peak memory consumption was 336.5 kB. Max. memory is 11.5 GB. [2018-11-18 11:07:29,673 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, 88 locations, 1 error locations. SAFE Result, 11.7s OverallTime, 50 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 49079332 SDtfs, 1487218220 SDslu, 825061852 SDs, 0 SdLazy, 1260997212 SolverSat, 1896937012 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21333 GetRequests, 20755 SyntacticMatches, 300 SemanticMatches, 278 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35274 ImplicationChecksByTransitivity, 8.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2227 NumberOfCodeBlocks, 2227 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 2178 ConstructedInterpolants, 0 QuantifiedInterpolants, 225690 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 41 PerfectInterpolantSequences, 775/816 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: 448]: 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: 448]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: (tmp == methaneLevelCritical || (!(\old(pumpRunning) == pumpRunning) && !(0 == tmp))) || (!(0 == pumpRunning) && !(0 == tmp)) - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(systemActive == 0))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && tmp == 1) && 0 == pumpRunning - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.59 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.15 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 686.26 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: 77.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. * CodeCheck took 12073.26 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 361.2 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -433.8 MB). Peak memory consumption was 600.3 MB. Max. memory is 11.5 GB. * Witness Printer took 73.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 336.5 kB). Peak memory consumption was 336.5 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...