./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_73483686-7608-4dce-a4e6-547815171ce2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_73483686-7608-4dce-a4e6-547815171ce2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_73483686-7608-4dce-a4e6-547815171ce2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_73483686-7608-4dce-a4e6-547815171ce2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_73483686-7608-4dce-a4e6-547815171ce2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_73483686-7608-4dce-a4e6-547815171ce2/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 cc7fef7e01f0cbe23a4bfb5f51eb1c754f7b3b49 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:55:19,391 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:55:19,393 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:55:19,400 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:55:19,401 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:55:19,401 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:55:19,402 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:55:19,403 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:55:19,404 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:55:19,405 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:55:19,405 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:55:19,406 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:55:19,406 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:55:19,407 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:55:19,408 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:55:19,408 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:55:19,409 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:55:19,410 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:55:19,411 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:55:19,412 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:55:19,413 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:55:19,413 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:55:19,415 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:55:19,415 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:55:19,415 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:55:19,416 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:55:19,417 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:55:19,417 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:55:19,418 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:55:19,419 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:55:19,419 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:55:19,419 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:55:19,419 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:55:19,419 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:55:19,420 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:55:19,421 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:55:19,421 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_73483686-7608-4dce-a4e6-547815171ce2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 09:55:19,430 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:55:19,430 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:55:19,431 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:55:19,431 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:55:19,432 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:55:19,432 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:55:19,432 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:55:19,432 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:55:19,432 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:55:19,432 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:55:19,432 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:55:19,433 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:55:19,433 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:55:19,433 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:55:19,433 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:55:19,433 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:55:19,433 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:55:19,433 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:55:19,433 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:55:19,434 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:55:19,434 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:55:19,434 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:55:19,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:55:19,434 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:55:19,434 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:55:19,435 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:55:19,435 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 09:55:19,435 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:55:19,435 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:55:19,435 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_73483686-7608-4dce-a4e6-547815171ce2/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 -> cc7fef7e01f0cbe23a4bfb5f51eb1c754f7b3b49 [2018-11-18 09:55:19,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:55:19,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:55:19,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:55:19,471 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:55:19,471 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:55:19,472 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_73483686-7608-4dce-a4e6-547815171ce2/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-11-18 09:55:19,516 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73483686-7608-4dce-a4e6-547815171ce2/bin-2019/ukojak/data/e30a1fcac/dd8d67bdd820484392906a14a4cf9356/FLAG0998191cc [2018-11-18 09:55:19,871 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:55:19,871 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_73483686-7608-4dce-a4e6-547815171ce2/sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-11-18 09:55:19,880 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73483686-7608-4dce-a4e6-547815171ce2/bin-2019/ukojak/data/e30a1fcac/dd8d67bdd820484392906a14a4cf9356/FLAG0998191cc [2018-11-18 09:55:19,892 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_73483686-7608-4dce-a4e6-547815171ce2/bin-2019/ukojak/data/e30a1fcac/dd8d67bdd820484392906a14a4cf9356 [2018-11-18 09:55:19,894 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:55:19,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:55:19,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:55:19,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:55:19,898 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:55:19,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:55:19" (1/1) ... [2018-11-18 09:55:19,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ec56fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:55:19, skipping insertion in model container [2018-11-18 09:55:19,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:55:19" (1/1) ... [2018-11-18 09:55:19,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:55:19,940 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:55:20,162 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:55:20,165 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:55:20,232 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:55:20,243 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:55:20,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:55:20 WrapperNode [2018-11-18 09:55:20,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:55:20,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:55:20,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:55:20,245 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:55:20,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:55:20" (1/1) ... [2018-11-18 09:55:20,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:55:20" (1/1) ... [2018-11-18 09:55:20,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:55:20,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:55:20,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:55:20,339 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:55:20,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:55:20" (1/1) ... [2018-11-18 09:55:20,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:55:20" (1/1) ... [2018-11-18 09:55:20,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:55:20" (1/1) ... [2018-11-18 09:55:20,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:55:20" (1/1) ... [2018-11-18 09:55:20,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:55:20" (1/1) ... [2018-11-18 09:55:20,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:55:20" (1/1) ... [2018-11-18 09:55:20,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:55:20" (1/1) ... [2018-11-18 09:55:20,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:55:20,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:55:20,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:55:20,380 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:55:20,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:55:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_73483686-7608-4dce-a4e6-547815171ce2/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:55:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 09:55:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:55:20,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:55:21,807 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:55:21,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:55:21 BoogieIcfgContainer [2018-11-18 09:55:21,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:55:21,808 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:55:21,808 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:55:21,816 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:55:21,817 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:55:21" (1/1) ... [2018-11-18 09:55:21,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:55:21,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:21,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 09:55:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 09:55:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 09:55:21,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:22,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:55:22,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:22,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2018-11-18 09:55:22,670 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2018-11-18 09:55:22,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 09:55:22,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:22,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 09:55:22,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:22,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 148 states and 223 transitions. [2018-11-18 09:55:22,922 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2018-11-18 09:55:22,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 09:55:22,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:55:23,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:23,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 154 states and 233 transitions. [2018-11-18 09:55:23,081 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 233 transitions. [2018-11-18 09:55:23,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 09:55:23,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:23,177 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 09:55:23,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:23,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 232 states and 324 transitions. [2018-11-18 09:55:23,752 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 324 transitions. [2018-11-18 09:55:23,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 09:55:23,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:23,834 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 09:55:24,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:24,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 267 states and 365 transitions. [2018-11-18 09:55:24,346 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 365 transitions. [2018-11-18 09:55:24,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 09:55:24,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:24,556 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 09:55:25,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:25,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 278 states and 383 transitions. [2018-11-18 09:55:25,055 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 383 transitions. [2018-11-18 09:55:25,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 09:55:25,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:25,120 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 09:55:25,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:25,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 290 states and 402 transitions. [2018-11-18 09:55:25,698 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 402 transitions. [2018-11-18 09:55:25,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 09:55:25,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:25,732 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 09:55:25,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:25,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 294 states and 408 transitions. [2018-11-18 09:55:25,840 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 408 transitions. [2018-11-18 09:55:25,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 09:55:25,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:25,873 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 09:55:26,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:26,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 301 states and 416 transitions. [2018-11-18 09:55:26,110 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 416 transitions. [2018-11-18 09:55:26,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 09:55:26,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 09:55:26,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 303 states and 417 transitions. [2018-11-18 09:55:26,377 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 417 transitions. [2018-11-18 09:55:26,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 09:55:26,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:26,488 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:55:26,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:26,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 343 states and 461 transitions. [2018-11-18 09:55:26,983 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 461 transitions. [2018-11-18 09:55:26,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 09:55:26,984 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:27,030 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 09:55:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:27,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 357 states and 476 transitions. [2018-11-18 09:55:27,142 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 476 transitions. [2018-11-18 09:55:27,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 09:55:27,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:55:27,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 363 states and 483 transitions. [2018-11-18 09:55:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 483 transitions. [2018-11-18 09:55:27,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 09:55:27,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 09:55:27,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:27,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 369 states and 490 transitions. [2018-11-18 09:55:27,760 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 490 transitions. [2018-11-18 09:55:27,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 09:55:27,761 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:27,796 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 09:55:27,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:27,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 372 states and 492 transitions. [2018-11-18 09:55:27,944 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 492 transitions. [2018-11-18 09:55:27,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 09:55:27,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:28,072 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:55:28,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:28,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 415 states and 542 transitions. [2018-11-18 09:55:28,604 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 542 transitions. [2018-11-18 09:55:28,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 09:55:28,605 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 09:55:29,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:29,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 420 states and 549 transitions. [2018-11-18 09:55:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 549 transitions. [2018-11-18 09:55:29,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 09:55:29,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:29,233 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 09:55:29,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:29,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 427 states and 557 transitions. [2018-11-18 09:55:29,266 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 557 transitions. [2018-11-18 09:55:29,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 09:55:29,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:29,394 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 09:55:29,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:30,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 433 states and 568 transitions. [2018-11-18 09:55:30,000 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 568 transitions. [2018-11-18 09:55:30,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 09:55:30,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:30,031 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 09:55:30,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:30,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 434 states and 568 transitions. [2018-11-18 09:55:30,234 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 568 transitions. [2018-11-18 09:55:30,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 09:55:30,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:30,342 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 09:55:30,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:30,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 452 states and 591 transitions. [2018-11-18 09:55:30,777 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 591 transitions. [2018-11-18 09:55:30,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 09:55:30,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:31,104 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:55:32,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:32,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 517 states and 658 transitions. [2018-11-18 09:55:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 658 transitions. [2018-11-18 09:55:32,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 09:55:32,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 09:55:32,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:32,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 521 states and 661 transitions. [2018-11-18 09:55:32,419 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 661 transitions. [2018-11-18 09:55:32,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 09:55:32,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 09:55:33,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:33,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 535 states and 677 transitions. [2018-11-18 09:55:33,036 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 677 transitions. [2018-11-18 09:55:33,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 09:55:33,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:33,375 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:55:34,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:34,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 590 states and 745 transitions. [2018-11-18 09:55:34,798 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 745 transitions. [2018-11-18 09:55:34,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 09:55:34,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:34,908 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:55:35,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:35,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 609 states and 763 transitions. [2018-11-18 09:55:35,568 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 763 transitions. [2018-11-18 09:55:35,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 09:55:35,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:35,596 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 09:55:35,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:35,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 627 states and 781 transitions. [2018-11-18 09:55:35,651 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 781 transitions. [2018-11-18 09:55:35,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 09:55:35,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:35,764 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:55:36,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:36,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 635 states and 792 transitions. [2018-11-18 09:55:36,068 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 792 transitions. [2018-11-18 09:55:36,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 09:55:36,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 09:55:36,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:36,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 640 states and 798 transitions. [2018-11-18 09:55:36,388 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 798 transitions. [2018-11-18 09:55:36,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 09:55:36,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:36,414 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 09:55:36,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:36,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 646 states and 804 transitions. [2018-11-18 09:55:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 804 transitions. [2018-11-18 09:55:36,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 09:55:36,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:36,770 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 09:55:36,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:36,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 647 states and 805 transitions. [2018-11-18 09:55:36,790 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 805 transitions. [2018-11-18 09:55:36,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 09:55:36,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:36,832 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 09:55:36,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:36,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 648 states and 805 transitions. [2018-11-18 09:55:36,912 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 805 transitions. [2018-11-18 09:55:36,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 09:55:36,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:37,096 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 101 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 09:55:37,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 684 states and 851 transitions. [2018-11-18 09:55:37,780 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 851 transitions. [2018-11-18 09:55:37,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 09:55:37,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:37,816 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 09:55:38,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:38,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 727 states and 896 transitions. [2018-11-18 09:55:38,065 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 896 transitions. [2018-11-18 09:55:38,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 09:55:38,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:38,267 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 127 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 09:55:38,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:38,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 729 states and 900 transitions. [2018-11-18 09:55:38,686 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 900 transitions. [2018-11-18 09:55:38,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 09:55:38,686 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:38,831 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 102 proven. 5 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 09:55:39,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:39,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 812 states and 991 transitions. [2018-11-18 09:55:39,791 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 991 transitions. [2018-11-18 09:55:39,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 09:55:39,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 09:55:40,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:40,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 814 states and 993 transitions. [2018-11-18 09:55:40,060 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 993 transitions. [2018-11-18 09:55:40,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 09:55:40,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:40,121 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 09:55:40,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:40,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 815 states and 993 transitions. [2018-11-18 09:55:40,293 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 993 transitions. [2018-11-18 09:55:40,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 09:55:40,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:40,372 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 09:55:40,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:40,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 848 states and 1028 transitions. [2018-11-18 09:55:40,699 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1028 transitions. [2018-11-18 09:55:40,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 09:55:40,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:40,783 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 09:55:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:40,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 849 states and 1028 transitions. [2018-11-18 09:55:40,961 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1028 transitions. [2018-11-18 09:55:40,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 09:55:40,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:41,605 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 149 proven. 70 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 09:55:43,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:43,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 926 states and 1119 transitions. [2018-11-18 09:55:43,138 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1119 transitions. [2018-11-18 09:55:43,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 09:55:43,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:43,369 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 149 proven. 70 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 09:55:43,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:43,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 936 states and 1128 transitions. [2018-11-18 09:55:43,920 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1128 transitions. [2018-11-18 09:55:43,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 09:55:43,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:44,010 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 171 proven. 1 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 09:55:44,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:44,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 966 states and 1161 transitions. [2018-11-18 09:55:44,584 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1161 transitions. [2018-11-18 09:55:44,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 09:55:44,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:44,783 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 139 proven. 11 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 09:55:45,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:45,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 985 states and 1193 transitions. [2018-11-18 09:55:45,693 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1193 transitions. [2018-11-18 09:55:45,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-18 09:55:45,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:45,738 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 09:55:45,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:45,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 987 states and 1195 transitions. [2018-11-18 09:55:45,944 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1195 transitions. [2018-11-18 09:55:45,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 09:55:45,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:45,988 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 156 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 09:55:47,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:47,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1060 states and 1276 transitions. [2018-11-18 09:55:47,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1276 transitions. [2018-11-18 09:55:47,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 09:55:47,106 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 09:55:48,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:48,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1070 states and 1293 transitions. [2018-11-18 09:55:48,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1293 transitions. [2018-11-18 09:55:48,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-18 09:55:48,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 09:55:49,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:49,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1073 states and 1296 transitions. [2018-11-18 09:55:49,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1296 transitions. [2018-11-18 09:55:49,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-18 09:55:49,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 244 proven. 41 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 09:55:52,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:52,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1134 states and 1370 transitions. [2018-11-18 09:55:52,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1370 transitions. [2018-11-18 09:55:52,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 09:55:52,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:52,632 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-18 09:55:53,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:53,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1180 states and 1425 transitions. [2018-11-18 09:55:53,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1425 transitions. [2018-11-18 09:55:53,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 09:55:53,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-18 09:55:53,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1203 states and 1447 transitions. [2018-11-18 09:55:53,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1447 transitions. [2018-11-18 09:55:53,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 09:55:53,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:54,620 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-11-18 09:55:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:57,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1256 states and 1506 transitions. [2018-11-18 09:55:57,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1506 transitions. [2018-11-18 09:55:57,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-18 09:55:57,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:57,396 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 242 proven. 5 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-11-18 09:55:58,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:58,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1348 states and 1601 transitions. [2018-11-18 09:55:58,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1601 transitions. [2018-11-18 09:55:58,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 09:55:58,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:55:58,343 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 153 proven. 10 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-18 09:55:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:55:58,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1352 states and 1604 transitions. [2018-11-18 09:55:58,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1604 transitions. [2018-11-18 09:55:58,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-18 09:55:58,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:55:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:56:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 507 proven. 5 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 09:56:05,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:56:05,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1339 states and 1615 transitions. [2018-11-18 09:56:05,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1615 transitions. [2018-11-18 09:56:05,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:56:05,969 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2018-11-18 09:56:05,975 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 09:56:09,386 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:56:09,388 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-18 09:56:09,393 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-18 09:56:09,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 09:56:09 ImpRootNode [2018-11-18 09:56:09,394 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 09:56:09,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:56:09,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:56:09,395 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:56:09,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:55:21" (3/4) ... [2018-11-18 09:56:09,398 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:56:09,409 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-18 09:56:09,409 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 09:56:09,410 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 09:56:09,410 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 09:56:09,506 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_73483686-7608-4dce-a4e6-547815171ce2/bin-2019/ukojak/witness.graphml [2018-11-18 09:56:09,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:56:09,507 INFO L168 Benchmark]: Toolchain (without parser) took 49612.69 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 950.0 MB in the beginning and 1.6 GB in the end (delta: -690.9 MB). Peak memory consumption was 570.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:56:09,508 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:56:09,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.06 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 917.8 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:56:09,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 917.8 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:56:09,509 INFO L168 Benchmark]: Boogie Preprocessor took 40.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:56:09,509 INFO L168 Benchmark]: RCFGBuilder took 1428.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 855.9 MB in the end (delta: 238.5 MB). Peak memory consumption was 238.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:56:09,509 INFO L168 Benchmark]: CodeCheck took 47586.16 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 855.9 MB in the beginning and 1.6 GB in the end (delta: -785.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 09:56:09,509 INFO L168 Benchmark]: Witness Printer took 111.84 ms. Allocated memory is still 2.3 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 53.8 kB). Peak memory consumption was 53.8 kB. Max. memory is 11.5 GB. [2018-11-18 09:56:09,511 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, 199 locations, 1 error locations. SAFE Result, 44.1s OverallTime, 56 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 692505296 SDtfs, -2136092742 SDslu, 1815522348 SDs, 0 SdLazy, -391968376 SolverSat, 930579402 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 112.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60201 GetRequests, 58647 SyntacticMatches, 826 SemanticMatches, 728 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331901 ImplicationChecksByTransitivity, 35.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 8855 NumberOfCodeBlocks, 8855 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 8800 ConstructedInterpolants, 0 QuantifiedInterpolants, 6367350 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 40 PerfectInterpolantSequences, 8002/8286 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: 548]: 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: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a8 == 15 || !(a17 == 1)) || a20 == 1) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a8 == 15 || !(a17 == 1)) || a20 == 1) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.06 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 917.8 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 917.8 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1428.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 855.9 MB in the end (delta: 238.5 MB). Peak memory consumption was 238.5 MB. Max. memory is 11.5 GB. * CodeCheck took 47586.16 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 855.9 MB in the beginning and 1.6 GB in the end (delta: -785.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 111.84 ms. Allocated memory is still 2.3 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 53.8 kB). Peak memory consumption was 53.8 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...