./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5e908723-0bce-45d1-ace7-a7717b955ff7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5e908723-0bce-45d1-ace7-a7717b955ff7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5e908723-0bce-45d1-ace7-a7717b955ff7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5e908723-0bce-45d1-ace7-a7717b955ff7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5e908723-0bce-45d1-ace7-a7717b955ff7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5e908723-0bce-45d1-ace7-a7717b955ff7/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 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:20:29,875 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:20:29,876 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:20:29,882 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:20:29,883 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:20:29,883 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:20:29,884 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:20:29,885 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:20:29,886 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:20:29,887 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:20:29,888 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:20:29,888 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:20:29,888 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:20:29,889 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:20:29,890 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:20:29,890 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:20:29,891 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:20:29,892 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:20:29,894 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:20:29,895 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:20:29,896 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:20:29,897 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:20:29,898 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:20:29,898 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:20:29,899 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:20:29,899 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:20:29,900 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:20:29,901 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:20:29,901 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:20:29,902 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:20:29,902 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:20:29,903 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:20:29,903 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:20:29,903 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:20:29,904 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:20:29,904 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:20:29,904 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5e908723-0bce-45d1-ace7-a7717b955ff7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:20:29,913 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:20:29,913 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:20:29,914 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:20:29,914 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:20:29,914 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:20:29,915 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:20:29,915 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:20:29,915 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:20:29,915 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:20:29,915 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:20:29,915 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:20:29,915 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:20:29,916 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:20:29,916 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:20:29,916 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:20:29,916 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:20:29,916 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:20:29,916 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:20:29,916 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:20:29,916 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:20:29,917 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:20:29,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:20:29,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:20:29,917 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:20:29,917 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:20:29,917 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:20:29,917 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:20:29,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:20:29,918 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_5e908723-0bce-45d1-ace7-a7717b955ff7/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 -> 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 [2018-11-10 12:20:29,943 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:20:29,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:20:29,955 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:20:29,956 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:20:29,957 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:20:29,957 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5e908723-0bce-45d1-ace7-a7717b955ff7/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-11-10 12:20:30,003 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e908723-0bce-45d1-ace7-a7717b955ff7/bin-2019/ukojak/data/4da4918c9/0fe3baa4bca64e63821ab629243500db/FLAGd41eb233e [2018-11-10 12:20:30,443 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:20:30,443 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5e908723-0bce-45d1-ace7-a7717b955ff7/sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-11-10 12:20:30,452 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e908723-0bce-45d1-ace7-a7717b955ff7/bin-2019/ukojak/data/4da4918c9/0fe3baa4bca64e63821ab629243500db/FLAGd41eb233e [2018-11-10 12:20:30,462 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5e908723-0bce-45d1-ace7-a7717b955ff7/bin-2019/ukojak/data/4da4918c9/0fe3baa4bca64e63821ab629243500db [2018-11-10 12:20:30,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:20:30,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:20:30,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:20:30,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:20:30,469 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:20:30,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:20:30" (1/1) ... [2018-11-10 12:20:30,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d722314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:20:30, skipping insertion in model container [2018-11-10 12:20:30,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:20:30" (1/1) ... [2018-11-10 12:20:30,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:20:30,508 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:20:30,698 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:20:30,706 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:20:30,763 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:20:30,781 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:20:30,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:20:30 WrapperNode [2018-11-10 12:20:30,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:20:30,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:20:30,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:20:30,783 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:20:30,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:20:30" (1/1) ... [2018-11-10 12:20:30,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:20:30" (1/1) ... [2018-11-10 12:20:30,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:20:30,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:20:30,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:20:30,885 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:20:30,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:20:30" (1/1) ... [2018-11-10 12:20:30,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:20:30" (1/1) ... [2018-11-10 12:20:30,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:20:30" (1/1) ... [2018-11-10 12:20:30,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:20:30" (1/1) ... [2018-11-10 12:20:30,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:20:30" (1/1) ... [2018-11-10 12:20:30,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:20:30" (1/1) ... [2018-11-10 12:20:30,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:20:30" (1/1) ... [2018-11-10 12:20:30,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:20:30,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:20:30,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:20:30,909 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:20:30,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:20:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e908723-0bce-45d1-ace7-a7717b955ff7/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 [2018-11-10 12:20:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:20:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 12:20:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 12:20:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 12:20:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 12:20:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 12:20:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 12:20:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 12:20:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 12:20:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 12:20:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 12:20:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 12:20:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 12:20:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 12:20:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 12:20:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 12:20:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 12:20:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 12:20:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 12:20:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:20:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:20:31,885 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:20:31,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:20:31 BoogieIcfgContainer [2018-11-10 12:20:31,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:20:31,887 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:20:31,887 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:20:31,896 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:20:31,897 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:20:31" (1/1) ... [2018-11-10 12:20:31,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:20:31,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:31,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 72 states and 97 transitions. [2018-11-10 12:20:31,939 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2018-11-10 12:20:31,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:20:31,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:32,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:20:32,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:32,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 72 states and 94 transitions. [2018-11-10 12:20:32,102 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2018-11-10 12:20:32,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 12:20:32,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:32,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:20:32,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:32,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 75 states and 98 transitions. [2018-11-10 12:20:32,202 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2018-11-10 12:20:32,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:20:32,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:32,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:20:32,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:32,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 86 states and 119 transitions. [2018-11-10 12:20:32,416 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2018-11-10 12:20:32,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 12:20:32,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:32,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:20:32,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:32,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 87 states and 120 transitions. [2018-11-10 12:20:32,461 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 120 transitions. [2018-11-10 12:20:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 12:20:32,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:32,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:20:32,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:32,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 88 states and 121 transitions. [2018-11-10 12:20:32,499 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 121 transitions. [2018-11-10 12:20:32,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 12:20:32,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:32,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:20:32,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:32,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 89 states and 122 transitions. [2018-11-10 12:20:32,552 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2018-11-10 12:20:32,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 12:20:32,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:32,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:20:33,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:33,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 107 states and 158 transitions. [2018-11-10 12:20:33,025 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 158 transitions. [2018-11-10 12:20:33,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 12:20:33,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:20:33,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:33,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 127 states and 195 transitions. [2018-11-10 12:20:33,794 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 195 transitions. [2018-11-10 12:20:33,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 12:20:33,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:33,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:20:34,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:34,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 131 states and 201 transitions. [2018-11-10 12:20:34,042 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 201 transitions. [2018-11-10 12:20:34,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 12:20:34,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:34,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:20:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:34,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 137 states and 213 transitions. [2018-11-10 12:20:34,091 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 213 transitions. [2018-11-10 12:20:34,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 12:20:34,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:34,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:20:34,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:34,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 140 states and 218 transitions. [2018-11-10 12:20:34,174 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 218 transitions. [2018-11-10 12:20:34,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 12:20:34,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:34,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:20:34,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:34,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 147 states and 235 transitions. [2018-11-10 12:20:34,308 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 235 transitions. [2018-11-10 12:20:34,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 12:20:34,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:34,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:20:34,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:34,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 149 states and 240 transitions. [2018-11-10 12:20:34,500 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 240 transitions. [2018-11-10 12:20:34,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 12:20:34,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:34,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:20:34,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:34,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 147 states and 234 transitions. [2018-11-10 12:20:34,529 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 234 transitions. [2018-11-10 12:20:34,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 12:20:34,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:20:34,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:34,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 151 states and 242 transitions. [2018-11-10 12:20:34,579 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 242 transitions. [2018-11-10 12:20:34,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 12:20:34,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:34,630 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:20:35,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 162 states and 267 transitions. [2018-11-10 12:20:35,127 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 267 transitions. [2018-11-10 12:20:35,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 12:20:35,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 12:20:35,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:35,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 165 states and 272 transitions. [2018-11-10 12:20:35,961 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 272 transitions. [2018-11-10 12:20:35,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 12:20:35,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:35,985 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:20:36,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:36,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 166 states and 275 transitions. [2018-11-10 12:20:36,164 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 275 transitions. [2018-11-10 12:20:36,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 12:20:36,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:36,186 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:20:36,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:36,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 173 states and 291 transitions. [2018-11-10 12:20:36,708 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 291 transitions. [2018-11-10 12:20:36,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 12:20:36,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 12:20:37,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:37,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 174 states and 291 transitions. [2018-11-10 12:20:37,231 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 291 transitions. [2018-11-10 12:20:37,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 12:20:37,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:37,256 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:20:37,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:37,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 182 states and 304 transitions. [2018-11-10 12:20:37,490 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 304 transitions. [2018-11-10 12:20:37,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 12:20:37,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:20:37,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:37,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 185 states and 306 transitions. [2018-11-10 12:20:37,702 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 306 transitions. [2018-11-10 12:20:37,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 12:20:37,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:37,723 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:20:37,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:37,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 186 states and 307 transitions. [2018-11-10 12:20:37,744 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 307 transitions. [2018-11-10 12:20:37,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 12:20:37,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:37,767 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:20:37,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:37,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 187 states and 308 transitions. [2018-11-10 12:20:37,791 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 308 transitions. [2018-11-10 12:20:37,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 12:20:37,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:37,817 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 12:20:37,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:37,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 188 states and 308 transitions. [2018-11-10 12:20:37,827 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 308 transitions. [2018-11-10 12:20:37,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:20:37,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:37,854 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 12:20:39,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:39,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 205 states and 346 transitions. [2018-11-10 12:20:39,030 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 346 transitions. [2018-11-10 12:20:39,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:20:39,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:39,053 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 12:20:39,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:39,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 208 states and 349 transitions. [2018-11-10 12:20:39,270 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 349 transitions. [2018-11-10 12:20:39,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:20:39,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:39,290 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:20:39,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:39,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 209 states and 350 transitions. [2018-11-10 12:20:39,316 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 350 transitions. [2018-11-10 12:20:39,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 12:20:39,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 12:20:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:40,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 222 states and 376 transitions. [2018-11-10 12:20:40,357 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 376 transitions. [2018-11-10 12:20:40,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 12:20:40,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:40,384 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 12:20:40,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:40,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 222 states and 375 transitions. [2018-11-10 12:20:40,597 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 375 transitions. [2018-11-10 12:20:40,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 12:20:40,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:40,619 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:20:40,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:40,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 223 states and 375 transitions. [2018-11-10 12:20:40,629 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 375 transitions. [2018-11-10 12:20:40,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 12:20:40,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:40,649 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 12:20:40,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:40,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 224 states and 376 transitions. [2018-11-10 12:20:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 376 transitions. [2018-11-10 12:20:40,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 12:20:40,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:40,688 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 12:20:40,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 225 states and 377 transitions. [2018-11-10 12:20:40,702 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 377 transitions. [2018-11-10 12:20:40,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 12:20:40,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:40,788 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:20:40,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:40,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 228 states and 381 transitions. [2018-11-10 12:20:40,863 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 381 transitions. [2018-11-10 12:20:40,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 12:20:40,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:40,879 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 12:20:41,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:41,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 224 states and 373 transitions. [2018-11-10 12:20:41,047 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 373 transitions. [2018-11-10 12:20:41,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 12:20:41,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 12:20:41,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:41,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 227 states and 375 transitions. [2018-11-10 12:20:41,269 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 375 transitions. [2018-11-10 12:20:41,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 12:20:41,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:20:41,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:41,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 228 states and 376 transitions. [2018-11-10 12:20:41,316 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 376 transitions. [2018-11-10 12:20:41,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 12:20:41,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:41,503 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:20:41,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:41,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 231 states and 379 transitions. [2018-11-10 12:20:41,806 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 379 transitions. [2018-11-10 12:20:41,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 12:20:41,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:41,825 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 12:20:41,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:41,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 235 states and 386 transitions. [2018-11-10 12:20:41,964 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 386 transitions. [2018-11-10 12:20:41,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 12:20:41,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:42,129 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:20:43,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:43,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 242 states and 400 transitions. [2018-11-10 12:20:43,141 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 400 transitions. [2018-11-10 12:20:43,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 12:20:43,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:43,337 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:20:43,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:43,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 242 states and 395 transitions. [2018-11-10 12:20:43,732 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 395 transitions. [2018-11-10 12:20:43,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 12:20:43,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:43,777 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 12:20:44,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:44,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 197 states and 306 transitions. [2018-11-10 12:20:44,386 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 306 transitions. [2018-11-10 12:20:44,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 12:20:44,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 12:20:44,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:44,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 198 states and 306 transitions. [2018-11-10 12:20:44,432 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 306 transitions. [2018-11-10 12:20:44,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 12:20:44,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:44,447 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 12:20:44,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:44,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 199 states and 309 transitions. [2018-11-10 12:20:44,763 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 309 transitions. [2018-11-10 12:20:44,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 12:20:44,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:44,776 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 12:20:44,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:44,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 197 states and 305 transitions. [2018-11-10 12:20:44,808 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 305 transitions. [2018-11-10 12:20:44,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 12:20:44,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 12:20:44,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:44,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 199 states and 308 transitions. [2018-11-10 12:20:44,839 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 308 transitions. [2018-11-10 12:20:44,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 12:20:44,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 12:20:44,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:44,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 201 states and 310 transitions. [2018-11-10 12:20:44,886 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 310 transitions. [2018-11-10 12:20:44,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 12:20:44,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:44,906 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 12:20:44,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:44,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 202 states and 310 transitions. [2018-11-10 12:20:44,922 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 310 transitions. [2018-11-10 12:20:44,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 12:20:44,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:44,942 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 12:20:44,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:44,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 193 states and 293 transitions. [2018-11-10 12:20:44,986 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 293 transitions. [2018-11-10 12:20:44,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 12:20:44,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:45,024 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 12:20:45,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:45,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 189 states and 283 transitions. [2018-11-10 12:20:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 283 transitions. [2018-11-10 12:20:45,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 12:20:45,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 12:20:45,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:45,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 126 states and 167 transitions. [2018-11-10 12:20:45,129 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 167 transitions. [2018-11-10 12:20:45,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:20:45,129 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2018-11-10 12:20:45,136 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:20:45,380 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:20:45,382 INFO L582 CodeCheckObserver]: Invariant with dag size 8 [2018-11-10 12:20:45,385 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 12:20:45,386 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 12:20:45,387 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:20:45,387 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:20:45,387 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:20:45,387 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:20:45,387 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:20:45,388 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:20:45,388 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:20:45,388 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 12:20:45,388 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:20:45,388 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:20:45,388 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 12:20:45,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:20:45 ImpRootNode [2018-11-10 12:20:45,389 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:20:45,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:20:45,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:20:45,390 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:20:45,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:20:31" (3/4) ... [2018-11-10 12:20:45,394 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:20:45,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 12:20:45,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 12:20:45,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 12:20:45,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 12:20:45,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 12:20:45,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 12:20:45,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 12:20:45,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 12:20:45,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 12:20:45,408 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2018-11-10 12:20:45,409 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-10 12:20:45,409 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 12:20:45,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-10 12:20:45,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2018-11-10 12:20:45,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || 0 == methaneLevelCritical) || 0 == pumpRunning [2018-11-10 12:20:45,474 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5e908723-0bce-45d1-ace7-a7717b955ff7/bin-2019/ukojak/witness.graphml [2018-11-10 12:20:45,474 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:20:45,475 INFO L168 Benchmark]: Toolchain (without parser) took 15009.25 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 404.8 MB). Free memory was 961.9 MB in the beginning and 1.3 GB in the end (delta: -297.2 MB). Peak memory consumption was 107.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:20:45,475 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:20:45,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.89 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:20:45,476 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:20:45,476 INFO L168 Benchmark]: Boogie Preprocessor took 23.58 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. [2018-11-10 12:20:45,476 INFO L168 Benchmark]: RCFGBuilder took 977.36 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: 98.7 MB). Peak memory consumption was 98.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:20:45,477 INFO L168 Benchmark]: CodeCheck took 13502.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 274.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -244.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:20:45,477 INFO L168 Benchmark]: Witness Printer took 84.24 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:20:45,478 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 10 procedures, 134 locations, 1 error locations. SAFE Result, 13.2s OverallTime, 52 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 489724176 SDtfs, 1124028892 SDslu, -1566253588 SDs, 0 SdLazy, -1851164500 SolverSat, 1393953312 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22335 GetRequests, 21731 SyntacticMatches, 308 SemanticMatches, 296 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43199 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2302 NumberOfCodeBlocks, 2302 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2251 ConstructedInterpolants, 0 QuantifiedInterpolants, 236573 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 42 PerfectInterpolantSequences, 808/855 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: 585]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || 0 == methaneLevelCritical) || 0 == pumpRunning - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || (!(0 == pumpRunning) && !(tmp == 0)) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && tmp == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.89 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.58 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 977.36 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: 98.7 MB). Peak memory consumption was 98.7 MB. Max. memory is 11.5 GB. * CodeCheck took 13502.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 274.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -244.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Witness Printer took 84.24 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...