./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label24_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_6db97e6f-ec56-4512-b5e8-e51e76b7bc60/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6db97e6f-ec56-4512-b5e8-e51e76b7bc60/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6db97e6f-ec56-4512-b5e8-e51e76b7bc60/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6db97e6f-ec56-4512-b5e8-e51e76b7bc60/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label24_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6db97e6f-ec56-4512-b5e8-e51e76b7bc60/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6db97e6f-ec56-4512-b5e8-e51e76b7bc60/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 c5fe2c6077c684b4b50af2f6570d6f5c736d513e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:16:21,434 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:16:21,436 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:16:21,444 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:16:21,444 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:16:21,445 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:16:21,445 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:16:21,451 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:16:21,452 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:16:21,453 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:16:21,453 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:16:21,453 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:16:21,455 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:16:21,455 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:16:21,456 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:16:21,457 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:16:21,457 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:16:21,459 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:16:21,460 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:16:21,462 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:16:21,462 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:16:21,463 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:16:21,465 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:16:21,465 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:16:21,465 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:16:21,466 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:16:21,467 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:16:21,468 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:16:21,468 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:16:21,469 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:16:21,470 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:16:21,470 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:16:21,470 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:16:21,471 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:16:21,471 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:16:21,472 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:16:21,472 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6db97e6f-ec56-4512-b5e8-e51e76b7bc60/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 14:16:21,484 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:16:21,484 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:16:21,484 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:16:21,485 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:16:21,485 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:16:21,485 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:16:21,485 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:16:21,485 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:16:21,486 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:16:21,486 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:16:21,486 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:16:21,486 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:16:21,487 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:16:21,487 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:16:21,487 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:16:21,488 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:16:21,488 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:16:21,488 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:16:21,488 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 14:16:21,488 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 14:16:21,488 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:16:21,488 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:16:21,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 14:16:21,489 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:16:21,489 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:16:21,489 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:16:21,489 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 14:16:21,489 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:16:21,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:16:21,490 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_6db97e6f-ec56-4512-b5e8-e51e76b7bc60/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 -> c5fe2c6077c684b4b50af2f6570d6f5c736d513e [2018-11-18 14:16:21,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:16:21,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:16:21,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:16:21,524 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:16:21,525 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:16:21,525 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6db97e6f-ec56-4512-b5e8-e51e76b7bc60/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label24_true-unreach-call_false-termination.c [2018-11-18 14:16:21,570 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6db97e6f-ec56-4512-b5e8-e51e76b7bc60/bin-2019/ukojak/data/e3f6fc90a/cfe9ba596a754302b323247825c450e1/FLAG7243b5282 [2018-11-18 14:16:21,962 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:16:21,962 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6db97e6f-ec56-4512-b5e8-e51e76b7bc60/sv-benchmarks/c/eca-rers2012/Problem01_label24_true-unreach-call_false-termination.c [2018-11-18 14:16:21,972 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6db97e6f-ec56-4512-b5e8-e51e76b7bc60/bin-2019/ukojak/data/e3f6fc90a/cfe9ba596a754302b323247825c450e1/FLAG7243b5282 [2018-11-18 14:16:21,984 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6db97e6f-ec56-4512-b5e8-e51e76b7bc60/bin-2019/ukojak/data/e3f6fc90a/cfe9ba596a754302b323247825c450e1 [2018-11-18 14:16:21,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:16:21,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:16:21,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:16:21,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:16:21,992 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:16:21,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:16:21" (1/1) ... [2018-11-18 14:16:21,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:16:21, skipping insertion in model container [2018-11-18 14:16:21,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:16:21" (1/1) ... [2018-11-18 14:16:22,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:16:22,041 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:16:22,350 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:16:22,360 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:16:22,433 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:16:22,445 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:16:22,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:16:22 WrapperNode [2018-11-18 14:16:22,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:16:22,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:16:22,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:16:22,447 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:16:22,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:16:22" (1/1) ... [2018-11-18 14:16:22,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:16:22" (1/1) ... [2018-11-18 14:16:22,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:16:22,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:16:22,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:16:22,563 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:16:22,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:16:22" (1/1) ... [2018-11-18 14:16:22,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:16:22" (1/1) ... [2018-11-18 14:16:22,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:16:22" (1/1) ... [2018-11-18 14:16:22,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:16:22" (1/1) ... [2018-11-18 14:16:22,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:16:22" (1/1) ... [2018-11-18 14:16:22,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:16:22" (1/1) ... [2018-11-18 14:16:22,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:16:22" (1/1) ... [2018-11-18 14:16:22,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:16:22,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:16:22,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:16:22,607 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:16:22,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:16:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6db97e6f-ec56-4512-b5e8-e51e76b7bc60/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 14:16:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:16:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:16:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:16:25,494 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:16:25,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:16:25 BoogieIcfgContainer [2018-11-18 14:16:25,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:16:25,495 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 14:16:25,495 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 14:16:25,503 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 14:16:25,503 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:16:25" (1/1) ... [2018-11-18 14:16:25,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:16:25,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 14:16:25,540 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 14:16:25,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 14:16:25,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:25,900 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 14:16:26,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:26,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 147 states and 223 transitions. [2018-11-18 14:16:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2018-11-18 14:16:26,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 14:16:26,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:26,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:26,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:26,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 218 states and 317 transitions. [2018-11-18 14:16:26,982 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 317 transitions. [2018-11-18 14:16:26,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 14:16:26,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:27,137 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 14:16:27,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:27,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 224 states and 330 transitions. [2018-11-18 14:16:27,465 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 330 transitions. [2018-11-18 14:16:27,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 14:16:27,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:27,798 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:28,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:28,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 295 states and 409 transitions. [2018-11-18 14:16:28,502 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 409 transitions. [2018-11-18 14:16:28,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 14:16:28,504 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:28,563 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:28,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:28,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 298 states and 413 transitions. [2018-11-18 14:16:28,615 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 413 transitions. [2018-11-18 14:16:28,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 14:16:28,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:29,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 310 states and 434 transitions. [2018-11-18 14:16:29,069 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 434 transitions. [2018-11-18 14:16:29,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 14:16:29,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:29,242 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:29,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:29,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 323 states and 456 transitions. [2018-11-18 14:16:29,912 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 456 transitions. [2018-11-18 14:16:29,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 14:16:29,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:29,985 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:30,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:30,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 324 states and 458 transitions. [2018-11-18 14:16:30,185 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 458 transitions. [2018-11-18 14:16:30,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 14:16:30,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:30,216 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:30,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 328 states and 466 transitions. [2018-11-18 14:16:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 466 transitions. [2018-11-18 14:16:30,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 14:16:30,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:30,703 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:31,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:31,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 343 states and 486 transitions. [2018-11-18 14:16:31,629 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 486 transitions. [2018-11-18 14:16:31,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 14:16:31,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:31,653 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:16:31,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:31,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 344 states and 488 transitions. [2018-11-18 14:16:31,844 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 488 transitions. [2018-11-18 14:16:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 14:16:31,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:16:32,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:32,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 348 states and 493 transitions. [2018-11-18 14:16:32,289 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 493 transitions. [2018-11-18 14:16:32,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 14:16:32,290 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:32,309 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:32,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:32,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 349 states and 495 transitions. [2018-11-18 14:16:32,468 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 495 transitions. [2018-11-18 14:16:32,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 14:16:32,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:32,487 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:32,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:32,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 353 states and 499 transitions. [2018-11-18 14:16:32,649 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 499 transitions. [2018-11-18 14:16:32,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 14:16:32,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:32,672 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:16:32,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:32,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 354 states and 501 transitions. [2018-11-18 14:16:32,872 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 501 transitions. [2018-11-18 14:16:32,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 14:16:32,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:32,903 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:16:33,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:33,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 358 states and 506 transitions. [2018-11-18 14:16:33,168 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 506 transitions. [2018-11-18 14:16:33,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 14:16:33,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:33,462 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:33,978 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2018-11-18 14:16:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:35,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 369 states and 521 transitions. [2018-11-18 14:16:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 521 transitions. [2018-11-18 14:16:35,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 14:16:35,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:35,289 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 14:16:35,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:35,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 383 states and 539 transitions. [2018-11-18 14:16:35,622 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 539 transitions. [2018-11-18 14:16:35,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 14:16:35,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:35,641 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 390 states and 548 transitions. [2018-11-18 14:16:35,828 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 548 transitions. [2018-11-18 14:16:35,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 14:16:35,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:36,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:36,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 398 states and 558 transitions. [2018-11-18 14:16:36,024 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 558 transitions. [2018-11-18 14:16:36,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 14:16:36,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:36,041 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:36,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:36,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 399 states and 559 transitions. [2018-11-18 14:16:36,062 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 559 transitions. [2018-11-18 14:16:36,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 14:16:36,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:36,082 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:16:36,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:36,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 406 states and 566 transitions. [2018-11-18 14:16:36,328 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 566 transitions. [2018-11-18 14:16:36,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 14:16:36,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:36,413 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:36,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:36,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 421 states and 585 transitions. [2018-11-18 14:16:36,869 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 585 transitions. [2018-11-18 14:16:36,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 14:16:36,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:36,889 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:36,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:36,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 422 states and 587 transitions. [2018-11-18 14:16:36,902 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 587 transitions. [2018-11-18 14:16:36,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 14:16:36,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:37,172 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:38,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:38,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 430 states and 596 transitions. [2018-11-18 14:16:38,108 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 596 transitions. [2018-11-18 14:16:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 14:16:38,109 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:38,543 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 14:16:38,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 440 states and 610 transitions. [2018-11-18 14:16:38,896 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 610 transitions. [2018-11-18 14:16:38,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 14:16:38,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:38,927 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:38,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:38,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 441 states and 612 transitions. [2018-11-18 14:16:38,960 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 612 transitions. [2018-11-18 14:16:38,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 14:16:38,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:38,987 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:16:40,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:40,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 458 states and 630 transitions. [2018-11-18 14:16:40,325 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 630 transitions. [2018-11-18 14:16:40,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 14:16:40,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:40,349 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:16:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:40,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 459 states and 632 transitions. [2018-11-18 14:16:40,455 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 632 transitions. [2018-11-18 14:16:40,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 14:16:40,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:40,474 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 14:16:40,746 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-18 14:16:41,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:41,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 460 states and 634 transitions. [2018-11-18 14:16:41,315 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 634 transitions. [2018-11-18 14:16:41,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 14:16:41,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:41,344 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:41,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:41,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 477 states and 652 transitions. [2018-11-18 14:16:41,991 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 652 transitions. [2018-11-18 14:16:41,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 14:16:41,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:42,024 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 14:16:42,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:42,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 479 states and 654 transitions. [2018-11-18 14:16:42,043 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 654 transitions. [2018-11-18 14:16:42,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 14:16:42,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:42,080 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:42,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:42,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 484 states and 660 transitions. [2018-11-18 14:16:42,499 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 660 transitions. [2018-11-18 14:16:42,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 14:16:42,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:42,685 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:43,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:43,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 498 states and 674 transitions. [2018-11-18 14:16:43,113 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 674 transitions. [2018-11-18 14:16:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 14:16:43,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:43,128 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 14:16:43,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:43,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 503 states and 679 transitions. [2018-11-18 14:16:43,175 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 679 transitions. [2018-11-18 14:16:43,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 14:16:43,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 14:16:43,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 508 states and 685 transitions. [2018-11-18 14:16:43,608 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 685 transitions. [2018-11-18 14:16:43,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 14:16:43,609 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:43,636 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-18 14:16:43,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:43,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 516 states and 693 transitions. [2018-11-18 14:16:43,688 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 693 transitions. [2018-11-18 14:16:43,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 14:16:43,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:43,899 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 14:16:45,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:45,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 547 states and 729 transitions. [2018-11-18 14:16:45,459 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 729 transitions. [2018-11-18 14:16:45,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 14:16:45,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:45,480 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-18 14:16:45,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:45,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 548 states and 730 transitions. [2018-11-18 14:16:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 730 transitions. [2018-11-18 14:16:45,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 14:16:45,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:46,000 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:47,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 560 states and 752 transitions. [2018-11-18 14:16:47,726 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 752 transitions. [2018-11-18 14:16:47,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 14:16:47,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:47,798 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:48,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:48,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 564 states and 757 transitions. [2018-11-18 14:16:48,218 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 757 transitions. [2018-11-18 14:16:48,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 14:16:48,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:48,298 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:48,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:48,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 577 states and 771 transitions. [2018-11-18 14:16:48,785 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 771 transitions. [2018-11-18 14:16:48,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 14:16:48,786 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:48,860 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:48,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:48,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 580 states and 773 transitions. [2018-11-18 14:16:48,992 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 773 transitions. [2018-11-18 14:16:48,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 14:16:48,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 14:16:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:49,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 583 states and 778 transitions. [2018-11-18 14:16:49,655 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 778 transitions. [2018-11-18 14:16:49,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 14:16:49,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:49,687 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 14:16:50,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:50,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 600 states and 796 transitions. [2018-11-18 14:16:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 796 transitions. [2018-11-18 14:16:50,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 14:16:50,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:51,435 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:16:54,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:54,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 655 states and 855 transitions. [2018-11-18 14:16:54,932 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 855 transitions. [2018-11-18 14:16:54,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 14:16:54,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:55,029 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 14:16:57,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:57,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 714 states and 926 transitions. [2018-11-18 14:16:57,698 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 926 transitions. [2018-11-18 14:16:57,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 14:16:57,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:57,728 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-18 14:16:57,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:57,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 723 states and 935 transitions. [2018-11-18 14:16:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 935 transitions. [2018-11-18 14:16:57,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 14:16:57,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:57,791 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-18 14:16:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 724 states and 936 transitions. [2018-11-18 14:16:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 936 transitions. [2018-11-18 14:16:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 14:16:57,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:57,920 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 14:16:58,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:16:58,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 730 states and 944 transitions. [2018-11-18 14:16:58,494 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 944 transitions. [2018-11-18 14:16:58,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 14:16:58,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:16:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:16:59,448 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 14:17:03,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:17:03,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 778 states and 999 transitions. [2018-11-18 14:17:03,249 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 999 transitions. [2018-11-18 14:17:03,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 14:17:03,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:17:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:03,398 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 14:17:03,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:17:03,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 778 states and 998 transitions. [2018-11-18 14:17:03,805 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 998 transitions. [2018-11-18 14:17:03,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 14:17:03,806 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:17:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 14:17:03,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:17:03,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 791 states and 1011 transitions. [2018-11-18 14:17:03,908 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1011 transitions. [2018-11-18 14:17:03,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 14:17:03,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:17:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:03,945 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 14:17:04,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:17:04,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 792 states and 1012 transitions. [2018-11-18 14:17:04,001 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1012 transitions. [2018-11-18 14:17:04,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 14:17:04,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:17:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:05,494 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 14:17:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:17:12,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 859 states and 1094 transitions. [2018-11-18 14:17:12,642 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1094 transitions. [2018-11-18 14:17:12,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 14:17:12,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:17:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:12,859 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 14:17:14,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:17:14,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 871 states and 1111 transitions. [2018-11-18 14:17:14,347 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1111 transitions. [2018-11-18 14:17:14,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 14:17:14,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:17:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 14:17:15,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:17:15,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 884 states and 1124 transitions. [2018-11-18 14:17:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1124 transitions. [2018-11-18 14:17:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 14:17:15,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:17:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 14:17:17,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:17:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 889 states and 1129 transitions. [2018-11-18 14:17:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1129 transitions. [2018-11-18 14:17:17,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 14:17:17,425 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:17:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:17,579 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:17:18,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:17:18,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 935 states and 1183 transitions. [2018-11-18 14:17:18,794 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1183 transitions. [2018-11-18 14:17:18,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 14:17:18,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:17:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:17:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:17:19,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 949 states and 1198 transitions. [2018-11-18 14:17:19,111 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1198 transitions. [2018-11-18 14:17:19,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 14:17:19,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:17:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:19,147 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 14:17:19,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:17:19,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 956 states and 1205 transitions. [2018-11-18 14:17:19,193 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1205 transitions. [2018-11-18 14:17:19,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 14:17:19,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:17:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:19,223 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 14:17:19,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:17:19,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 963 states and 1213 transitions. [2018-11-18 14:17:19,394 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1213 transitions. [2018-11-18 14:17:19,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 14:17:19,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:17:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 14:17:19,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:17:19,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 969 states and 1219 transitions. [2018-11-18 14:17:19,775 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1219 transitions. [2018-11-18 14:17:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 14:17:19,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:17:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 14:17:19,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:17:19,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 974 states and 1224 transitions. [2018-11-18 14:17:19,898 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1224 transitions. [2018-11-18 14:17:19,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 14:17:19,899 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:17:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:19,962 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:17:20,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:17:20,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 901 states and 1149 transitions. [2018-11-18 14:17:20,155 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1149 transitions. [2018-11-18 14:17:20,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:17:20,156 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 66 iterations. [2018-11-18 14:17:20,162 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 14:17:20,850 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 12 [2018-11-18 14:17:23,213 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 51 [2018-11-18 14:17:23,660 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:17:23,663 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-18 14:17:23,668 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-18 14:17:23,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 02:17:23 ImpRootNode [2018-11-18 14:17:23,669 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 14:17:23,669 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:17:23,669 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:17:23,670 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:17:23,670 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:16:25" (3/4) ... [2018-11-18 14:17:23,673 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:17:23,690 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-18 14:17:23,691 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 14:17:23,691 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 14:17:23,790 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6db97e6f-ec56-4512-b5e8-e51e76b7bc60/bin-2019/ukojak/witness.graphml [2018-11-18 14:17:23,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:17:23,791 INFO L168 Benchmark]: Toolchain (without parser) took 61803.20 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 970.5 MB). Free memory was 950.0 MB in the beginning and 1.3 GB in the end (delta: -316.5 MB). Peak memory consumption was 653.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:17:23,791 INFO L168 Benchmark]: CDTParser took 0.12 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 14:17:23,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.16 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 917.7 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:17:23,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 917.7 MB in the beginning and 1.1 GB in the end (delta: -216.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:17:23,792 INFO L168 Benchmark]: Boogie Preprocessor took 44.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:17:23,793 INFO L168 Benchmark]: RCFGBuilder took 2887.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.8 MB in the end (delta: 232.8 MB). Peak memory consumption was 232.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:17:23,794 INFO L168 Benchmark]: CodeCheck took 58173.74 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 825.2 MB). Free memory was 896.8 MB in the beginning and 1.3 GB in the end (delta: -369.7 MB). Peak memory consumption was 929.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:17:23,794 INFO L168 Benchmark]: Witness Printer took 120.68 ms. Allocated memory is still 2.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-18 14:17:23,796 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, 54.6s OverallTime, 66 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1943916784 SDtfs, 2130418434 SDslu, -1190552960 SDs, 0 SdLazy, -312552670 SolverSat, 771848936 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 144.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57681 GetRequests, 56184 SyntacticMatches, 939 SemanticMatches, 558 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200509 ImplicationChecksByTransitivity, 45.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 8458 NumberOfCodeBlocks, 8458 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 8393 ConstructedInterpolants, 0 QuantifiedInterpolants, 6584099 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 65 InterpolantComputations, 59 PerfectInterpolantSequences, 5145/5159 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: 470]: 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: (!(a7 == 1) || !(a8 == 15)) || !(a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(a20 == 1) || !(a7 == 1)) || !(a8 == 15) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 457.16 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 917.7 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 116.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 917.7 MB in the beginning and 1.1 GB in the end (delta: -216.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2887.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.8 MB in the end (delta: 232.8 MB). Peak memory consumption was 232.8 MB. Max. memory is 11.5 GB. * CodeCheck took 58173.74 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 825.2 MB). Free memory was 896.8 MB in the beginning and 1.3 GB in the end (delta: -369.7 MB). Peak memory consumption was 929.3 MB. Max. memory is 11.5 GB. * Witness Printer took 120.68 ms. Allocated memory is still 2.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...