./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/psyco/psyco_io_1_true-unreach-call_false-termination.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_f126d8cb-1111-4a96-a442-e7c728d84d1b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f126d8cb-1111-4a96-a442-e7c728d84d1b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f126d8cb-1111-4a96-a442-e7c728d84d1b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f126d8cb-1111-4a96-a442-e7c728d84d1b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_io_1_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f126d8cb-1111-4a96-a442-e7c728d84d1b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f126d8cb-1111-4a96-a442-e7c728d84d1b/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 69c831b1eda23dac6e2f4454b4feebfba511ade3 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:09:53,880 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:09:53,882 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:09:53,894 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:09:53,894 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:09:53,895 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:09:53,896 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:09:53,897 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:09:53,901 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:09:53,902 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:09:53,902 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:09:53,902 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:09:53,903 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:09:53,904 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:09:53,905 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:09:53,905 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:09:53,907 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:09:53,908 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:09:53,910 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:09:53,911 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:09:53,912 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:09:53,913 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:09:53,915 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:09:53,915 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:09:53,915 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:09:53,916 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:09:53,917 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:09:53,917 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:09:53,918 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:09:53,919 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:09:53,919 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:09:53,920 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:09:53,920 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:09:53,920 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:09:53,921 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:09:53,922 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:09:53,922 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f126d8cb-1111-4a96-a442-e7c728d84d1b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:09:53,933 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:09:53,933 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:09:53,934 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:09:53,934 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:09:53,934 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:09:53,935 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:09:53,935 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:09:53,935 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:09:53,935 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:09:53,935 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:09:53,935 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:09:53,935 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:09:53,936 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:09:53,936 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:09:53,936 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:09:53,936 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:09:53,936 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:09:53,936 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:09:53,936 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:09:53,937 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:09:53,937 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:09:53,937 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:09:53,937 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:09:53,937 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:09:53,939 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:09:53,940 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:09:53,940 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:09:53,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:09:53,940 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_f126d8cb-1111-4a96-a442-e7c728d84d1b/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 -> 69c831b1eda23dac6e2f4454b4feebfba511ade3 [2018-10-26 21:09:53,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:09:53,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:09:53,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:09:53,981 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:09:53,982 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:09:53,983 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f126d8cb-1111-4a96-a442-e7c728d84d1b/bin-2019/ukojak/../../sv-benchmarks/c/psyco/psyco_io_1_true-unreach-call_false-termination.c [2018-10-26 21:09:54,030 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f126d8cb-1111-4a96-a442-e7c728d84d1b/bin-2019/ukojak/data/67ac219d1/76d15b66963d46798711f13a798689bc/FLAGecd523592 [2018-10-26 21:09:54,417 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:09:54,417 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f126d8cb-1111-4a96-a442-e7c728d84d1b/sv-benchmarks/c/psyco/psyco_io_1_true-unreach-call_false-termination.c [2018-10-26 21:09:54,429 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f126d8cb-1111-4a96-a442-e7c728d84d1b/bin-2019/ukojak/data/67ac219d1/76d15b66963d46798711f13a798689bc/FLAGecd523592 [2018-10-26 21:09:54,441 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f126d8cb-1111-4a96-a442-e7c728d84d1b/bin-2019/ukojak/data/67ac219d1/76d15b66963d46798711f13a798689bc [2018-10-26 21:09:54,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:09:54,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:09:54,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:09:54,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:09:54,458 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:09:54,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:09:54" (1/1) ... [2018-10-26 21:09:54,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1277d5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:54, skipping insertion in model container [2018-10-26 21:09:54,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:09:54" (1/1) ... [2018-10-26 21:09:54,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:09:54,491 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:09:54,623 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:09:54,627 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:09:54,654 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:09:54,666 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:09:54,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:54 WrapperNode [2018-10-26 21:09:54,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:09:54,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:09:54,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:09:54,668 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:09:54,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:54" (1/1) ... [2018-10-26 21:09:54,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:54" (1/1) ... [2018-10-26 21:09:54,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:09:54,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:09:54,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:09:54,705 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:09:54,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:54" (1/1) ... [2018-10-26 21:09:54,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:54" (1/1) ... [2018-10-26 21:09:54,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:54" (1/1) ... [2018-10-26 21:09:54,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:54" (1/1) ... [2018-10-26 21:09:54,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:54" (1/1) ... [2018-10-26 21:09:54,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:54" (1/1) ... [2018-10-26 21:09:54,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:54" (1/1) ... [2018-10-26 21:09:54,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:09:54,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:09:54,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:09:54,730 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:09:54,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f126d8cb-1111-4a96-a442-e7c728d84d1b/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 [2018-10-26 21:09:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:09:54,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:09:55,488 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:09:55,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:09:55 BoogieIcfgContainer [2018-10-26 21:09:55,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:09:55,489 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:09:55,489 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:09:55,497 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:09:55,498 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:09:55" (1/1) ... [2018-10-26 21:09:55,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:09:55,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:55,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 66 states and 125 transitions. [2018-10-26 21:09:55,542 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2018-10-26 21:09:55,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 21:09:55,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:55,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:55,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:55,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 66 states and 106 transitions. [2018-10-26 21:09:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 106 transitions. [2018-10-26 21:09:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 21:09:55,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:55,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:55,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 69 states and 127 transitions. [2018-10-26 21:09:55,996 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 127 transitions. [2018-10-26 21:09:55,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 21:09:55,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:56,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:09:56,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:56,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 69 states and 126 transitions. [2018-10-26 21:09:56,066 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 126 transitions. [2018-10-26 21:09:56,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 21:09:56,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:56,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:56,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:56,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 72 states and 147 transitions. [2018-10-26 21:09:56,328 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 147 transitions. [2018-10-26 21:09:56,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 21:09:56,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:56,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:56,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 83 states and 187 transitions. [2018-10-26 21:09:56,594 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 187 transitions. [2018-10-26 21:09:56,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 21:09:56,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:56,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:56,887 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-10-26 21:09:57,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 87 states and 208 transitions. [2018-10-26 21:09:57,063 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 208 transitions. [2018-10-26 21:09:57,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 21:09:57,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:57,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:57,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:57,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 90 states and 215 transitions. [2018-10-26 21:09:57,111 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 215 transitions. [2018-10-26 21:09:57,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 21:09:57,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:57,271 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:57,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:57,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 94 states and 238 transitions. [2018-10-26 21:09:57,463 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 238 transitions. [2018-10-26 21:09:57,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 21:09:57,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:57,542 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:57,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:57,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 94 states and 236 transitions. [2018-10-26 21:09:57,560 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 236 transitions. [2018-10-26 21:09:57,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 21:09:57,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:57,634 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:57,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:57,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 95 states and 238 transitions. [2018-10-26 21:09:57,650 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 238 transitions. [2018-10-26 21:09:57,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 21:09:57,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:57,717 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:57,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:57,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 95 states and 236 transitions. [2018-10-26 21:09:57,734 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 236 transitions. [2018-10-26 21:09:57,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 21:09:57,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:57,852 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:57,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:57,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 96 states and 238 transitions. [2018-10-26 21:09:57,858 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 238 transitions. [2018-10-26 21:09:57,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 21:09:57,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:57,995 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:58,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:58,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 96 states and 237 transitions. [2018-10-26 21:09:58,000 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 237 transitions. [2018-10-26 21:09:58,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 21:09:58,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 21:09:58,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:58,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 100 states and 252 transitions. [2018-10-26 21:09:58,200 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 252 transitions. [2018-10-26 21:09:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 21:09:58,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:58,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:58,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 101 states and 253 transitions. [2018-10-26 21:09:58,401 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 253 transitions. [2018-10-26 21:09:58,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 21:09:58,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:58,417 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 21:09:58,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 102 states and 254 transitions. [2018-10-26 21:09:58,424 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 254 transitions. [2018-10-26 21:09:58,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 21:09:58,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:58,438 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:09:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:58,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 102 states and 251 transitions. [2018-10-26 21:09:58,598 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 251 transitions. [2018-10-26 21:09:58,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 21:09:58,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:58,613 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:09:58,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:58,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 102 states and 248 transitions. [2018-10-26 21:09:58,838 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 248 transitions. [2018-10-26 21:09:58,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 21:09:58,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 21:09:58,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:58,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 103 states and 249 transitions. [2018-10-26 21:09:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 249 transitions. [2018-10-26 21:09:58,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 21:09:58,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:09:58,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:58,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 104 states and 251 transitions. [2018-10-26 21:09:58,967 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 251 transitions. [2018-10-26 21:09:58,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 21:09:58,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:58,980 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:59,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 105 states and 251 transitions. [2018-10-26 21:09:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 251 transitions. [2018-10-26 21:09:59,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 21:09:59,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:59,078 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:09:59,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:59,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 105 states and 248 transitions. [2018-10-26 21:09:59,228 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 248 transitions. [2018-10-26 21:09:59,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 21:09:59,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:59,251 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:09:59,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:59,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 106 states and 250 transitions. [2018-10-26 21:09:59,258 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 250 transitions. [2018-10-26 21:09:59,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 21:09:59,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:59,280 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:09:59,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 247 transitions. [2018-10-26 21:09:59,356 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 247 transitions. [2018-10-26 21:09:59,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 21:09:59,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:59,371 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:09:59,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:59,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 107 states and 249 transitions. [2018-10-26 21:09:59,377 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 249 transitions. [2018-10-26 21:09:59,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 21:09:59,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:59,395 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:09:59,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:59,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 246 transitions. [2018-10-26 21:09:59,568 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 246 transitions. [2018-10-26 21:09:59,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 21:09:59,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:00,015 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:00,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:00,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 111 states and 264 transitions. [2018-10-26 21:10:00,139 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 264 transitions. [2018-10-26 21:10:00,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 21:10:00,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:00,152 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:10:00,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:00,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 111 states and 261 transitions. [2018-10-26 21:10:00,222 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 261 transitions. [2018-10-26 21:10:00,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 21:10:00,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:00,337 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:00,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:00,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 119 states and 274 transitions. [2018-10-26 21:10:00,514 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 274 transitions. [2018-10-26 21:10:00,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 21:10:00,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:00,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:00,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 124 states and 292 transitions. [2018-10-26 21:10:00,967 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 292 transitions. [2018-10-26 21:10:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 21:10:00,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:01,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:01,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 127 states and 298 transitions. [2018-10-26 21:10:01,236 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 298 transitions. [2018-10-26 21:10:01,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 21:10:01,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:01,488 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:01,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:01,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 128 states and 300 transitions. [2018-10-26 21:10:01,515 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 300 transitions. [2018-10-26 21:10:01,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-26 21:10:01,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:01,684 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:01,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:01,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 128 states and 298 transitions. [2018-10-26 21:10:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 298 transitions. [2018-10-26 21:10:01,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 21:10:01,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:01,758 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:01,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:01,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 129 states and 300 transitions. [2018-10-26 21:10:01,799 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 300 transitions. [2018-10-26 21:10:01,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 21:10:01,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:01,944 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:01,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:01,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 129 states and 298 transitions. [2018-10-26 21:10:01,948 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 298 transitions. [2018-10-26 21:10:01,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 21:10:01,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:02,033 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 130 states and 300 transitions. [2018-10-26 21:10:02,055 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 300 transitions. [2018-10-26 21:10:02,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 21:10:02,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:02,119 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:02,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 130 states and 299 transitions. [2018-10-26 21:10:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 299 transitions. [2018-10-26 21:10:02,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 21:10:02,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:02,237 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:02,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:02,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 131 states and 300 transitions. [2018-10-26 21:10:02,244 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 300 transitions. [2018-10-26 21:10:02,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 21:10:02,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:02,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:02,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 133 states and 301 transitions. [2018-10-26 21:10:02,455 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 301 transitions. [2018-10-26 21:10:02,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 21:10:02,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:02,501 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:02,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:02,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 134 states and 301 transitions. [2018-10-26 21:10:02,511 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 301 transitions. [2018-10-26 21:10:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 21:10:02,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:02,522 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:10:02,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:02,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 140 states and 318 transitions. [2018-10-26 21:10:02,990 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 318 transitions. [2018-10-26 21:10:02,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 21:10:02,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:10:03,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 141 states and 318 transitions. [2018-10-26 21:10:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 318 transitions. [2018-10-26 21:10:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 21:10:03,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:03,267 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 21:10:03,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:03,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 141 states and 317 transitions. [2018-10-26 21:10:03,277 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 317 transitions. [2018-10-26 21:10:03,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 21:10:03,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:03,469 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:03,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:03,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 142 states and 318 transitions. [2018-10-26 21:10:03,481 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 318 transitions. [2018-10-26 21:10:03,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 21:10:03,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:03,719 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:03,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 143 states and 318 transitions. [2018-10-26 21:10:03,829 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 318 transitions. [2018-10-26 21:10:03,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 21:10:03,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:03,844 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:10:04,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:04,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 144 states and 319 transitions. [2018-10-26 21:10:04,080 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 319 transitions. [2018-10-26 21:10:04,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 21:10:04,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:04,181 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 21:10:04,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:04,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 145 states and 319 transitions. [2018-10-26 21:10:04,186 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 319 transitions. [2018-10-26 21:10:04,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 21:10:04,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:04,243 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 21:10:04,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:04,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 145 states and 318 transitions. [2018-10-26 21:10:04,257 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 318 transitions. [2018-10-26 21:10:04,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 21:10:04,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:04,434 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:04,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:04,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 146 states and 320 transitions. [2018-10-26 21:10:04,455 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 320 transitions. [2018-10-26 21:10:04,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 21:10:04,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:04,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:04,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 146 states and 319 transitions. [2018-10-26 21:10:04,671 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 319 transitions. [2018-10-26 21:10:04,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 21:10:04,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:10:04,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:04,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 147 states and 321 transitions. [2018-10-26 21:10:04,774 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 321 transitions. [2018-10-26 21:10:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 21:10:04,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:04,957 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:10:04,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:04,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 148 states and 322 transitions. [2018-10-26 21:10:04,963 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 322 transitions. [2018-10-26 21:10:04,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 21:10:04,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:05,041 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:10:05,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:05,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 149 states and 323 transitions. [2018-10-26 21:10:05,047 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 323 transitions. [2018-10-26 21:10:05,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 21:10:05,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:05,059 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:10:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:05,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 149 states and 320 transitions. [2018-10-26 21:10:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 320 transitions. [2018-10-26 21:10:05,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 21:10:05,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:10:05,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:05,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 150 states and 323 transitions. [2018-10-26 21:10:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 323 transitions. [2018-10-26 21:10:05,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 21:10:05,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:05,230 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:10:05,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:05,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 73 transitions. [2018-10-26 21:10:05,500 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2018-10-26 21:10:05,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:10:05,500 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 57 iterations. [2018-10-26 21:10:05,510 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:10:05,966 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-10-26 21:10:05,973 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:10:05,973 INFO L582 CodeCheckObserver]: Invariant with dag size 13 [2018-10-26 21:10:05,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:10:05 ImpRootNode [2018-10-26 21:10:05,974 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:10:05,974 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:10:05,974 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:10:05,974 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:10:05,975 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:09:55" (3/4) ... [2018-10-26 21:10:05,979 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:10:05,991 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-26 21:10:05,991 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 21:10:05,991 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 21:10:06,019 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f126d8cb-1111-4a96-a442-e7c728d84d1b/bin-2019/ukojak/witness.graphml [2018-10-26 21:10:06,019 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:10:06,020 INFO L168 Benchmark]: Toolchain (without parser) took 11573.29 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 278.9 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:10:06,021 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:10:06,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.32 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 941.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:10:06,022 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.39 ms. Allocated memory is still 1.0 GB. Free memory was 941.0 MB in the beginning and 938.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:10:06,022 INFO L168 Benchmark]: Boogie Preprocessor took 24.28 ms. Allocated memory is still 1.0 GB. Free memory is still 938.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:10:06,023 INFO L168 Benchmark]: RCFGBuilder took 759.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -194.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:10:06,023 INFO L168 Benchmark]: CodeCheck took 10485.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 110.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -7.0 MB). Peak memory consumption was 103.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:10:06,024 INFO L168 Benchmark]: Witness Printer took 45.22 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:10:06,028 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 1 procedures, 68 locations, 1 error locations. SAFE Result, 9.9s OverallTime, 57 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -451936212 SDtfs, 1004225132 SDslu, -1565302580 SDs, 0 SdLazy, 1841195008 SolverSat, -1139481088 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21666 GetRequests, 21441 SyntacticMatches, 141 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7552 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 1775 NumberOfCodeBlocks, 1775 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 1719 ConstructedInterpolants, 0 QuantifiedInterpolants, 120096 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 56 InterpolantComputations, 37 PerfectInterpolantSequences, 761/823 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: 343]: 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: 23]: Loop Invariant Derived loop invariant: q == 0 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: ((this_sink == 0 && q == 2) || q == 0) || (q == 3 && !(this_sink == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 213.32 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 941.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.39 ms. Allocated memory is still 1.0 GB. Free memory was 941.0 MB in the beginning and 938.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.28 ms. Allocated memory is still 1.0 GB. Free memory is still 938.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 759.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -194.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * CodeCheck took 10485.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 110.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -7.0 MB). Peak memory consumption was 103.1 MB. Max. memory is 11.5 GB. * Witness Printer took 45.22 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...