./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_be1c878e-de5d-43fa-b017-d62743adf710/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_be1c878e-de5d-43fa-b017-d62743adf710/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_be1c878e-de5d-43fa-b017-d62743adf710/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_be1c878e-de5d-43fa-b017-d62743adf710/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_be1c878e-de5d-43fa-b017-d62743adf710/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_be1c878e-de5d-43fa-b017-d62743adf710/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 32be2810d9c37c4b52439355c8a9e3577edf70e1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:44:19,548 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:44:19,549 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:44:19,556 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:44:19,556 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:44:19,557 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:44:19,557 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:44:19,558 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:44:19,559 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:44:19,560 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:44:19,561 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:44:19,561 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:44:19,561 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:44:19,563 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:44:19,563 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:44:19,564 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:44:19,565 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:44:19,566 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:44:19,567 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:44:19,568 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:44:19,569 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:44:19,569 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:44:19,572 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:44:19,572 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:44:19,572 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:44:19,572 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:44:19,573 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:44:19,573 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:44:19,574 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:44:19,575 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:44:19,575 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:44:19,576 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:44:19,576 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:44:19,576 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:44:19,577 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:44:19,577 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:44:19,577 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_be1c878e-de5d-43fa-b017-d62743adf710/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 13:44:19,587 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:44:19,587 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:44:19,587 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:44:19,587 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 13:44:19,588 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:44:19,588 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:44:19,588 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:44:19,588 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:44:19,588 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:44:19,589 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:44:19,589 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:44:19,589 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:44:19,589 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:44:19,589 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:44:19,589 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:44:19,589 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:44:19,589 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:44:19,589 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:44:19,589 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 13:44:19,590 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 13:44:19,590 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:44:19,591 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:44:19,591 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 13:44:19,591 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:44:19,591 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:44:19,591 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:44:19,591 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 13:44:19,592 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:44:19,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:44:19,592 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_be1c878e-de5d-43fa-b017-d62743adf710/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 -> 32be2810d9c37c4b52439355c8a9e3577edf70e1 [2018-11-23 13:44:19,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:44:19,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:44:19,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:44:19,626 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:44:19,626 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:44:19,627 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_be1c878e-de5d-43fa-b017-d62743adf710/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-11-23 13:44:19,662 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_be1c878e-de5d-43fa-b017-d62743adf710/bin-2019/ukojak/data/93161202f/51714a3491cc471286b9c9cb83da1a44/FLAG142571b99 [2018-11-23 13:44:20,021 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:44:20,022 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_be1c878e-de5d-43fa-b017-d62743adf710/sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-11-23 13:44:20,031 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_be1c878e-de5d-43fa-b017-d62743adf710/bin-2019/ukojak/data/93161202f/51714a3491cc471286b9c9cb83da1a44/FLAG142571b99 [2018-11-23 13:44:20,042 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_be1c878e-de5d-43fa-b017-d62743adf710/bin-2019/ukojak/data/93161202f/51714a3491cc471286b9c9cb83da1a44 [2018-11-23 13:44:20,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:44:20,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:44:20,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:44:20,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:44:20,048 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:44:20,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:20" (1/1) ... [2018-11-23 13:44:20,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:20, skipping insertion in model container [2018-11-23 13:44:20,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:20" (1/1) ... [2018-11-23 13:44:20,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:44:20,091 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:44:20,332 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:44:20,336 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:44:20,400 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:44:20,410 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:44:20,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:20 WrapperNode [2018-11-23 13:44:20,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:44:20,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:44:20,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:44:20,411 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:44:20,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:20" (1/1) ... [2018-11-23 13:44:20,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:20" (1/1) ... [2018-11-23 13:44:20,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:44:20,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:44:20,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:44:20,526 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:44:20,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:20" (1/1) ... [2018-11-23 13:44:20,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:20" (1/1) ... [2018-11-23 13:44:20,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:20" (1/1) ... [2018-11-23 13:44:20,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:20" (1/1) ... [2018-11-23 13:44:20,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:20" (1/1) ... [2018-11-23 13:44:20,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:20" (1/1) ... [2018-11-23 13:44:20,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:20" (1/1) ... [2018-11-23 13:44:20,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:44:20,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:44:20,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:44:20,569 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:44:20,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_be1c878e-de5d-43fa-b017-d62743adf710/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 [2018-11-23 13:44:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 13:44:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:44:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:44:21,859 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:44:21,859 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 13:44:21,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:21 BoogieIcfgContainer [2018-11-23 13:44:21,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:44:21,860 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 13:44:21,860 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 13:44:21,868 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 13:44:21,868 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:21" (1/1) ... [2018-11-23 13:44:21,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:44:21,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:21,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-23 13:44:21,901 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-23 13:44:21,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 13:44:21,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:22,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:22,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:22,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 145 states and 232 transitions. [2018-11-23 13:44:22,485 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 232 transitions. [2018-11-23 13:44:22,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 13:44:22,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:22,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:23,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:23,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 215 states and 337 transitions. [2018-11-23 13:44:23,077 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 337 transitions. [2018-11-23 13:44:23,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 13:44:23,078 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:23,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:23,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:23,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 285 states and 413 transitions. [2018-11-23 13:44:23,728 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 413 transitions. [2018-11-23 13:44:23,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 13:44:23,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:23,793 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:23,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:23,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 288 states and 417 transitions. [2018-11-23 13:44:23,952 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 417 transitions. [2018-11-23 13:44:23,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 13:44:23,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 13:44:24,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:24,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 292 states and 425 transitions. [2018-11-23 13:44:24,112 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 425 transitions. [2018-11-23 13:44:24,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 13:44:24,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:24,217 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 306 states and 442 transitions. [2018-11-23 13:44:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 442 transitions. [2018-11-23 13:44:24,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 13:44:24,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:24,568 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:24,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:24,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 315 states and 458 transitions. [2018-11-23 13:44:24,896 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 458 transitions. [2018-11-23 13:44:24,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 13:44:24,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:44:25,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:25,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 316 states and 459 transitions. [2018-11-23 13:44:25,003 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 459 transitions. [2018-11-23 13:44:25,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 13:44:25,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:25,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:25,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 331 states and 479 transitions. [2018-11-23 13:44:25,556 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 479 transitions. [2018-11-23 13:44:25,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 13:44:25,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:25,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:25,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 339 states and 493 transitions. [2018-11-23 13:44:25,937 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 493 transitions. [2018-11-23 13:44:25,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 13:44:25,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:25,975 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:26,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 341 states and 494 transitions. [2018-11-23 13:44:26,128 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 494 transitions. [2018-11-23 13:44:26,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 13:44:26,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:26,203 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 13:44:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:26,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 354 states and 513 transitions. [2018-11-23 13:44:26,955 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 513 transitions. [2018-11-23 13:44:26,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 13:44:26,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:26,978 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 13:44:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 363 states and 529 transitions. [2018-11-23 13:44:27,426 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 529 transitions. [2018-11-23 13:44:27,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 13:44:27,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:27,451 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 13:44:27,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:27,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 365 states and 530 transitions. [2018-11-23 13:44:27,635 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 530 transitions. [2018-11-23 13:44:27,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 13:44:27,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:27,707 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 13:44:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:27,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 369 states and 542 transitions. [2018-11-23 13:44:27,953 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 542 transitions. [2018-11-23 13:44:27,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 13:44:27,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:27,971 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:28,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:28,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 377 states and 552 transitions. [2018-11-23 13:44:28,275 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 552 transitions. [2018-11-23 13:44:28,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 13:44:28,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:28,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:28,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 391 states and 575 transitions. [2018-11-23 13:44:28,609 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 575 transitions. [2018-11-23 13:44:28,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 13:44:28,610 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:28,624 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:28,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:28,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 392 states and 576 transitions. [2018-11-23 13:44:28,736 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 576 transitions. [2018-11-23 13:44:28,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 13:44:28,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:29,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:29,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 410 states and 597 transitions. [2018-11-23 13:44:29,045 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 597 transitions. [2018-11-23 13:44:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 13:44:29,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:44:29,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:29,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 417 states and 604 transitions. [2018-11-23 13:44:29,226 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 604 transitions. [2018-11-23 13:44:29,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-23 13:44:29,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:29,271 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:29,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:29,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 438 states and 629 transitions. [2018-11-23 13:44:29,722 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 629 transitions. [2018-11-23 13:44:29,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 13:44:29,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:29,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:29,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 449 states and 642 transitions. [2018-11-23 13:44:29,840 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 642 transitions. [2018-11-23 13:44:29,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 13:44:29,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:29,870 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 13:44:30,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:30,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 455 states and 651 transitions. [2018-11-23 13:44:30,141 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 651 transitions. [2018-11-23 13:44:30,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 13:44:30,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:30,158 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 13:44:30,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:30,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 466 states and 665 transitions. [2018-11-23 13:44:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 665 transitions. [2018-11-23 13:44:30,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 13:44:30,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:30,573 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:30,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:30,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 475 states and 674 transitions. [2018-11-23 13:44:30,621 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 674 transitions. [2018-11-23 13:44:30,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 13:44:30,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:30,746 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:31,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:31,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 492 states and 693 transitions. [2018-11-23 13:44:31,310 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 693 transitions. [2018-11-23 13:44:31,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 13:44:31,311 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:31,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:31,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 493 states and 695 transitions. [2018-11-23 13:44:31,362 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 695 transitions. [2018-11-23 13:44:31,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 13:44:31,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:31,414 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:44:31,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:31,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 504 states and 706 transitions. [2018-11-23 13:44:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 706 transitions. [2018-11-23 13:44:31,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 13:44:31,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:31,837 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 13:44:31,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:31,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 505 states and 708 transitions. [2018-11-23 13:44:31,971 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 708 transitions. [2018-11-23 13:44:31,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 13:44:31,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:31,983 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 13:44:32,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 506 states and 709 transitions. [2018-11-23 13:44:32,092 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 709 transitions. [2018-11-23 13:44:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 13:44:32,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:32,117 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:44:32,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:32,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 515 states and 718 transitions. [2018-11-23 13:44:32,176 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 718 transitions. [2018-11-23 13:44:32,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 13:44:32,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:32,205 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:32,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:32,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 516 states and 718 transitions. [2018-11-23 13:44:32,275 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 718 transitions. [2018-11-23 13:44:32,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 13:44:32,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 13:44:32,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:32,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 532 states and 741 transitions. [2018-11-23 13:44:32,760 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 741 transitions. [2018-11-23 13:44:32,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 13:44:32,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 13:44:32,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:32,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 539 states and 748 transitions. [2018-11-23 13:44:32,816 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 748 transitions. [2018-11-23 13:44:32,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 13:44:32,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 13:44:33,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:33,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 549 states and 759 transitions. [2018-11-23 13:44:33,020 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 759 transitions. [2018-11-23 13:44:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 13:44:33,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:33,163 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:33,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:33,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 565 states and 777 transitions. [2018-11-23 13:44:33,667 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 777 transitions. [2018-11-23 13:44:33,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 13:44:33,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:33,691 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:33,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:33,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 574 states and 786 transitions. [2018-11-23 13:44:33,825 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 786 transitions. [2018-11-23 13:44:33,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 13:44:33,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:33,960 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:34,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:34,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 644 states and 871 transitions. [2018-11-23 13:44:34,779 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 871 transitions. [2018-11-23 13:44:34,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-23 13:44:34,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:34,798 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 13:44:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:35,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 659 states and 892 transitions. [2018-11-23 13:44:35,464 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 892 transitions. [2018-11-23 13:44:35,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 13:44:35,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 13:44:35,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:35,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 668 states and 902 transitions. [2018-11-23 13:44:35,988 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 902 transitions. [2018-11-23 13:44:35,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 13:44:35,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:36,002 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 13:44:36,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:36,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 669 states and 902 transitions. [2018-11-23 13:44:36,156 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 902 transitions. [2018-11-23 13:44:36,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 13:44:36,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:36,207 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:36,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:36,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 689 states and 925 transitions. [2018-11-23 13:44:36,649 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 925 transitions. [2018-11-23 13:44:36,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 13:44:36,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:36,671 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:37,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:37,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 700 states and 940 transitions. [2018-11-23 13:44:37,009 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 940 transitions. [2018-11-23 13:44:37,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 13:44:37,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:37,026 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 13:44:37,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:37,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 710 states and 950 transitions. [2018-11-23 13:44:37,056 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 950 transitions. [2018-11-23 13:44:37,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 13:44:37,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:37,072 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 13:44:37,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:37,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 729 states and 972 transitions. [2018-11-23 13:44:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 972 transitions. [2018-11-23 13:44:37,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 13:44:37,208 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:37,224 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 13:44:37,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:37,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 730 states and 972 transitions. [2018-11-23 13:44:37,384 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 972 transitions. [2018-11-23 13:44:37,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 13:44:37,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:38,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:38,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 742 states and 993 transitions. [2018-11-23 13:44:38,028 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 993 transitions. [2018-11-23 13:44:38,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 13:44:38,029 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:38,043 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:38,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:38,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 745 states and 999 transitions. [2018-11-23 13:44:38,208 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 999 transitions. [2018-11-23 13:44:38,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 13:44:38,208 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:38,223 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:38,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:38,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 747 states and 1001 transitions. [2018-11-23 13:44:38,385 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1001 transitions. [2018-11-23 13:44:38,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 13:44:38,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:38,423 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:38,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:38,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 749 states and 1002 transitions. [2018-11-23 13:44:38,577 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1002 transitions. [2018-11-23 13:44:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 13:44:38,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:39,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 761 states and 1026 transitions. [2018-11-23 13:44:39,578 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1026 transitions. [2018-11-23 13:44:39,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 13:44:39,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:39,615 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:39,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 764 states and 1031 transitions. [2018-11-23 13:44:39,904 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1031 transitions. [2018-11-23 13:44:39,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 13:44:39,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:44:40,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:40,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 781 states and 1050 transitions. [2018-11-23 13:44:40,143 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1050 transitions. [2018-11-23 13:44:40,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-23 13:44:40,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:40,176 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 13:44:40,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:40,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 786 states and 1057 transitions. [2018-11-23 13:44:40,542 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1057 transitions. [2018-11-23 13:44:40,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 13:44:40,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:40,565 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:40,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:40,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 809 states and 1081 transitions. [2018-11-23 13:44:40,926 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1081 transitions. [2018-11-23 13:44:40,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 13:44:40,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:41,267 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:44:42,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:42,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 818 states and 1100 transitions. [2018-11-23 13:44:42,390 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1100 transitions. [2018-11-23 13:44:42,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 13:44:42,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:42,426 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 13:44:42,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:42,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 821 states and 1106 transitions. [2018-11-23 13:44:42,803 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1106 transitions. [2018-11-23 13:44:42,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 13:44:42,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:42,830 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:42,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:42,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 831 states and 1117 transitions. [2018-11-23 13:44:42,896 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1117 transitions. [2018-11-23 13:44:42,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 13:44:42,898 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:42,925 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:42,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:42,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 833 states and 1119 transitions. [2018-11-23 13:44:42,964 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1119 transitions. [2018-11-23 13:44:42,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 13:44:42,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:43,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:43,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 834 states and 1120 transitions. [2018-11-23 13:44:43,249 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1120 transitions. [2018-11-23 13:44:43,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 13:44:43,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:43,276 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:43,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:43,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 842 states and 1131 transitions. [2018-11-23 13:44:43,688 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1131 transitions. [2018-11-23 13:44:43,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 13:44:43,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 844 states and 1132 transitions. [2018-11-23 13:44:43,927 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1132 transitions. [2018-11-23 13:44:43,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 13:44:43,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:44,800 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:46,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 892 states and 1188 transitions. [2018-11-23 13:44:46,623 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1188 transitions. [2018-11-23 13:44:46,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 13:44:46,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:46,652 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 13:44:46,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:46,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 896 states and 1193 transitions. [2018-11-23 13:44:46,879 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1193 transitions. [2018-11-23 13:44:46,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 13:44:46,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:46,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:46,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 927 states and 1229 transitions. [2018-11-23 13:44:46,992 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1229 transitions. [2018-11-23 13:44:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 13:44:46,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 13:44:47,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:47,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 930 states and 1232 transitions. [2018-11-23 13:44:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1232 transitions. [2018-11-23 13:44:47,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 13:44:47,221 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:47,243 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:44:48,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:48,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 952 states and 1255 transitions. [2018-11-23 13:44:48,022 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1255 transitions. [2018-11-23 13:44:48,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 13:44:48,023 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:48,059 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:44:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:48,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 959 states and 1261 transitions. [2018-11-23 13:44:48,299 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1261 transitions. [2018-11-23 13:44:48,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 13:44:48,300 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:48,328 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:48,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 983 states and 1287 transitions. [2018-11-23 13:44:48,663 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1287 transitions. [2018-11-23 13:44:48,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 13:44:48,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:48,714 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:48,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:48,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 985 states and 1288 transitions. [2018-11-23 13:44:48,861 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1288 transitions. [2018-11-23 13:44:48,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 13:44:48,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:48,900 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 13:44:49,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:49,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 989 states and 1296 transitions. [2018-11-23 13:44:49,327 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1296 transitions. [2018-11-23 13:44:49,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 13:44:49,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:53,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:53,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1023 states and 1335 transitions. [2018-11-23 13:44:53,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1335 transitions. [2018-11-23 13:44:53,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 13:44:53,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:53,143 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 13:44:53,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:53,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1024 states and 1336 transitions. [2018-11-23 13:44:53,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1336 transitions. [2018-11-23 13:44:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 13:44:53,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:53,779 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:55,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:55,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1047 states and 1378 transitions. [2018-11-23 13:44:55,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1378 transitions. [2018-11-23 13:44:55,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 13:44:55,874 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:55,928 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:56,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:56,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1057 states and 1387 transitions. [2018-11-23 13:44:56,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1387 transitions. [2018-11-23 13:44:56,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 13:44:56,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:56,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:56,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1059 states and 1388 transitions. [2018-11-23 13:44:56,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1388 transitions. [2018-11-23 13:44:56,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 13:44:56,351 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:56,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:56,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1061 states and 1389 transitions. [2018-11-23 13:44:56,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1389 transitions. [2018-11-23 13:44:56,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 13:44:56,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:56,515 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:56,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1062 states and 1391 transitions. [2018-11-23 13:44:56,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1391 transitions. [2018-11-23 13:44:56,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 13:44:56,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:56,792 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:56,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:56,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1063 states and 1393 transitions. [2018-11-23 13:44:56,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1393 transitions. [2018-11-23 13:44:56,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 13:44:56,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:57,042 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:44:57,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:57,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1064 states and 1396 transitions. [2018-11-23 13:44:57,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1396 transitions. [2018-11-23 13:44:57,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 13:44:57,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:57,277 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 13:44:58,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:58,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1069 states and 1411 transitions. [2018-11-23 13:44:58,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1411 transitions. [2018-11-23 13:44:58,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 13:44:58,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:58,118 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 13:44:58,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:58,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1070 states and 1412 transitions. [2018-11-23 13:44:58,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1412 transitions. [2018-11-23 13:44:58,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 13:44:58,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:58,431 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 86 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-23 13:44:58,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:58,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1072 states and 1418 transitions. [2018-11-23 13:44:58,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1418 transitions. [2018-11-23 13:44:58,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 13:44:58,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 13:44:59,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:44:59,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1080 states and 1426 transitions. [2018-11-23 13:44:59,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1426 transitions. [2018-11-23 13:44:59,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 13:44:59,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:44:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:44:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 98 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 13:45:00,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:00,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1093 states and 1438 transitions. [2018-11-23 13:45:00,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1438 transitions. [2018-11-23 13:45:00,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 13:45:00,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:00,661 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 13:45:00,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:00,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1100 states and 1445 transitions. [2018-11-23 13:45:00,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1445 transitions. [2018-11-23 13:45:00,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 13:45:00,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:00,754 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 13:45:01,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1108 states and 1455 transitions. [2018-11-23 13:45:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1455 transitions. [2018-11-23 13:45:01,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-23 13:45:01,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:01,045 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 13:45:01,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:01,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1109 states and 1457 transitions. [2018-11-23 13:45:01,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1457 transitions. [2018-11-23 13:45:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-23 13:45:01,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:01,378 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 112 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 13:45:02,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:02,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1117 states and 1479 transitions. [2018-11-23 13:45:02,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1479 transitions. [2018-11-23 13:45:02,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 13:45:02,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:03,556 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 13:45:06,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:06,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1191 states and 1556 transitions. [2018-11-23 13:45:06,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1556 transitions. [2018-11-23 13:45:06,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-23 13:45:06,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:06,559 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 13:45:07,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:07,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1193 states and 1559 transitions. [2018-11-23 13:45:07,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1559 transitions. [2018-11-23 13:45:07,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-23 13:45:07,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:08,349 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:45:11,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1262 states and 1632 transitions. [2018-11-23 13:45:11,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1632 transitions. [2018-11-23 13:45:11,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-23 13:45:11,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:11,855 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:45:12,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:12,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1273 states and 1643 transitions. [2018-11-23 13:45:12,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1643 transitions. [2018-11-23 13:45:12,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-23 13:45:12,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-23 13:45:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:12,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1284 states and 1654 transitions. [2018-11-23 13:45:12,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1654 transitions. [2018-11-23 13:45:12,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-23 13:45:12,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 13:45:13,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:13,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1292 states and 1670 transitions. [2018-11-23 13:45:13,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1670 transitions. [2018-11-23 13:45:13,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 13:45:13,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:13,865 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-23 13:45:13,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:13,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1293 states and 1671 transitions. [2018-11-23 13:45:13,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1671 transitions. [2018-11-23 13:45:13,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 13:45:13,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 13:45:14,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:14,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1316 states and 1695 transitions. [2018-11-23 13:45:14,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1695 transitions. [2018-11-23 13:45:14,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-23 13:45:14,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:14,038 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 13:45:14,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:14,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1319 states and 1698 transitions. [2018-11-23 13:45:14,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1698 transitions. [2018-11-23 13:45:14,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 13:45:14,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:14,127 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 140 proven. 1 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-11-23 13:45:14,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:14,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1330 states and 1708 transitions. [2018-11-23 13:45:14,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1708 transitions. [2018-11-23 13:45:14,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 13:45:14,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-23 13:45:15,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:15,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1331 states and 1708 transitions. [2018-11-23 13:45:15,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1708 transitions. [2018-11-23 13:45:15,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 13:45:15,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:15,068 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-23 13:45:15,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:15,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1332 states and 1708 transitions. [2018-11-23 13:45:15,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1708 transitions. [2018-11-23 13:45:15,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 13:45:15,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:15,315 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-23 13:45:15,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:15,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1333 states and 1708 transitions. [2018-11-23 13:45:15,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1708 transitions. [2018-11-23 13:45:15,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 13:45:15,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:15,764 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-23 13:45:15,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:15,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1334 states and 1708 transitions. [2018-11-23 13:45:15,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1708 transitions. [2018-11-23 13:45:15,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 13:45:15,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:15,993 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-23 13:45:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:16,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1335 states and 1708 transitions. [2018-11-23 13:45:16,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1708 transitions. [2018-11-23 13:45:16,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-23 13:45:16,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:16,439 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 13:45:19,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1376 states and 1752 transitions. [2018-11-23 13:45:19,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1752 transitions. [2018-11-23 13:45:19,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-23 13:45:19,462 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:19,575 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 13:45:21,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:21,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1388 states and 1762 transitions. [2018-11-23 13:45:21,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1762 transitions. [2018-11-23 13:45:21,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-23 13:45:21,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:21,759 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 13:45:21,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:21,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1392 states and 1766 transitions. [2018-11-23 13:45:21,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1766 transitions. [2018-11-23 13:45:21,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-23 13:45:21,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:21,822 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 13:45:23,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:23,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1427 states and 1811 transitions. [2018-11-23 13:45:23,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 1811 transitions. [2018-11-23 13:45:23,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 13:45:23,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:23,248 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 149 proven. 1 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 13:45:23,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:23,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1430 states and 1814 transitions. [2018-11-23 13:45:23,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1814 transitions. [2018-11-23 13:45:23,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 13:45:23,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:23,359 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 149 proven. 1 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 13:45:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:23,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1431 states and 1814 transitions. [2018-11-23 13:45:23,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1814 transitions. [2018-11-23 13:45:23,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:23,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:23,766 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:26,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:26,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1476 states and 1862 transitions. [2018-11-23 13:45:26,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1862 transitions. [2018-11-23 13:45:26,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:26,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:26,386 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:27,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:27,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1484 states and 1871 transitions. [2018-11-23 13:45:27,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1871 transitions. [2018-11-23 13:45:27,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:27,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:27,594 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:28,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:28,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1487 states and 1872 transitions. [2018-11-23 13:45:28,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1872 transitions. [2018-11-23 13:45:28,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:28,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:28,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:28,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1489 states and 1873 transitions. [2018-11-23 13:45:28,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1873 transitions. [2018-11-23 13:45:28,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:28,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:28,541 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:28,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:28,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1491 states and 1874 transitions. [2018-11-23 13:45:28,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1874 transitions. [2018-11-23 13:45:28,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:28,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:28,952 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:29,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:29,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1496 states and 1879 transitions. [2018-11-23 13:45:29,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1879 transitions. [2018-11-23 13:45:29,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:29,278 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:29,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1501 states and 1885 transitions. [2018-11-23 13:45:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 1885 transitions. [2018-11-23 13:45:29,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:29,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:30,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:30,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1503 states and 1886 transitions. [2018-11-23 13:45:30,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1886 transitions. [2018-11-23 13:45:30,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:30,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:30,225 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:30,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:30,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1505 states and 1888 transitions. [2018-11-23 13:45:30,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1888 transitions. [2018-11-23 13:45:30,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:30,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:30,708 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:31,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:31,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1510 states and 1893 transitions. [2018-11-23 13:45:31,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1893 transitions. [2018-11-23 13:45:31,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:31,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:31,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:31,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1511 states and 1893 transitions. [2018-11-23 13:45:31,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 1893 transitions. [2018-11-23 13:45:31,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:31,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:31,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:31,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1513 states and 1894 transitions. [2018-11-23 13:45:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1894 transitions. [2018-11-23 13:45:31,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:31,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:31,879 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:32,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:32,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1517 states and 1898 transitions. [2018-11-23 13:45:32,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1898 transitions. [2018-11-23 13:45:32,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:32,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:32,880 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:33,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:33,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1519 states and 1901 transitions. [2018-11-23 13:45:33,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1901 transitions. [2018-11-23 13:45:33,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:33,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:33,798 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:34,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:34,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1523 states and 1905 transitions. [2018-11-23 13:45:34,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1905 transitions. [2018-11-23 13:45:34,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:34,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:34,466 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:34,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:34,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1527 states and 1909 transitions. [2018-11-23 13:45:34,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1909 transitions. [2018-11-23 13:45:34,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:34,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:34,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:34,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1530 states and 1912 transitions. [2018-11-23 13:45:34,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 1912 transitions. [2018-11-23 13:45:34,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 13:45:34,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:35,072 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 13:45:35,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:35,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1532 states and 1913 transitions. [2018-11-23 13:45:35,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1913 transitions. [2018-11-23 13:45:35,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-23 13:45:35,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-23 13:45:36,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:36,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1536 states and 1923 transitions. [2018-11-23 13:45:36,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 1923 transitions. [2018-11-23 13:45:36,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-23 13:45:36,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:36,397 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-23 13:45:37,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:37,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1551 states and 1958 transitions. [2018-11-23 13:45:37,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1958 transitions. [2018-11-23 13:45:37,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-23 13:45:37,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:37,785 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-23 13:45:38,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:38,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1556 states and 1965 transitions. [2018-11-23 13:45:38,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1965 transitions. [2018-11-23 13:45:38,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-23 13:45:38,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:38,587 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 177 proven. 8 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-23 13:45:41,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:41,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 1602 states and 2012 transitions. [2018-11-23 13:45:41,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2012 transitions. [2018-11-23 13:45:41,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-23 13:45:41,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 177 proven. 8 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-23 13:45:42,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:42,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 1604 states and 2013 transitions. [2018-11-23 13:45:42,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2013 transitions. [2018-11-23 13:45:42,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-23 13:45:42,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:42,585 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-11-23 13:45:44,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:44,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 1630 states and 2047 transitions. [2018-11-23 13:45:44,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 2047 transitions. [2018-11-23 13:45:44,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-23 13:45:44,531 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:44,568 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-11-23 13:45:44,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:44,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 1641 states and 2058 transitions. [2018-11-23 13:45:44,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2058 transitions. [2018-11-23 13:45:44,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-23 13:45:44,946 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:44,987 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-23 13:45:45,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:45,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 1654 states and 2075 transitions. [2018-11-23 13:45:45,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2075 transitions. [2018-11-23 13:45:45,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-23 13:45:45,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:45,968 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-23 13:45:46,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:46,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 1655 states and 2075 transitions. [2018-11-23 13:45:46,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2075 transitions. [2018-11-23 13:45:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-23 13:45:46,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:46,348 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-23 13:45:46,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:46,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 1656 states and 2076 transitions. [2018-11-23 13:45:46,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2076 transitions. [2018-11-23 13:45:46,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-23 13:45:46,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-23 13:45:47,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:47,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 1660 states and 2080 transitions. [2018-11-23 13:45:47,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2080 transitions. [2018-11-23 13:45:47,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 13:45:47,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:47,217 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-23 13:45:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:47,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1664 states and 2087 transitions. [2018-11-23 13:45:47,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2087 transitions. [2018-11-23 13:45:47,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 13:45:47,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-23 13:45:48,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:48,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 1671 states and 2096 transitions. [2018-11-23 13:45:48,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2096 transitions. [2018-11-23 13:45:48,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 13:45:48,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:48,421 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-23 13:45:48,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:48,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 1675 states and 2102 transitions. [2018-11-23 13:45:48,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2102 transitions. [2018-11-23 13:45:48,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 13:45:48,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-23 13:45:49,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:49,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 1679 states and 2113 transitions. [2018-11-23 13:45:49,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2113 transitions. [2018-11-23 13:45:49,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 13:45:49,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:49,256 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-23 13:45:49,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:49,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 1683 states and 2119 transitions. [2018-11-23 13:45:49,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2119 transitions. [2018-11-23 13:45:49,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 13:45:49,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:45:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:45:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 210 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 13:45:50,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:45:50,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2042 states to 1614 states and 2042 transitions. [2018-11-23 13:45:50,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2042 transitions. [2018-11-23 13:45:50,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:45:50,378 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 146 iterations. [2018-11-23 13:45:50,384 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 13:45:50,523 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 15 [2018-11-23 13:45:50,906 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 15 [2018-11-23 13:45:51,245 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 15 [2018-11-23 13:45:53,292 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 15 [2018-11-23 13:45:53,766 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:45:53,768 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 13:45:53,774 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 13:45:53,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:45:53 ImpRootNode [2018-11-23 13:45:53,775 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 13:45:53,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:45:53,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:45:53,775 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:45:53,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:21" (3/4) ... [2018-11-23 13:45:53,779 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:45:53,794 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-11-23 13:45:53,795 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 13:45:53,796 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 13:45:53,888 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_be1c878e-de5d-43fa-b017-d62743adf710/bin-2019/ukojak/witness.graphml [2018-11-23 13:45:53,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:45:53,889 INFO L168 Benchmark]: Toolchain (without parser) took 93844.07 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 944.6 MB in the beginning and 1.3 GB in the end (delta: -335.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-23 13:45:53,889 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:45:53,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.76 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 912.3 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:45:53,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 912.3 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:45:53,890 INFO L168 Benchmark]: Boogie Preprocessor took 42.30 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:45:53,890 INFO L168 Benchmark]: RCFGBuilder took 1291.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 873.2 MB in the end (delta: 228.5 MB). Peak memory consumption was 228.5 MB. Max. memory is 11.5 GB. [2018-11-23 13:45:53,890 INFO L168 Benchmark]: CodeCheck took 91914.87 ms. Allocated memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 873.2 MB in the beginning and 1.3 GB in the end (delta: -407.1 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-23 13:45:53,891 INFO L168 Benchmark]: Witness Printer took 112.81 ms. Allocated memory is still 3.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.4 kB). Peak memory consumption was 21.4 kB. Max. memory is 11.5 GB. [2018-11-23 13:45:53,892 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, 198 locations, 1 error locations. SAFE Result, 88.4s OverallTime, 146 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7807164 SDtfs, 1826443444 SDslu, 75576930 SDs, 0 SdLazy, 1173737568 SolverSat, 1816564050 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 390.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158428 GetRequests, 155952 SyntacticMatches, 1362 SemanticMatches, 1114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817325 ImplicationChecksByTransitivity, 74.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 22890 NumberOfCodeBlocks, 22890 NumberOfCodeBlocksAsserted, 145 NumberOfCheckSat, 22745 ConstructedInterpolants, 0 QuantifiedInterpolants, 14105490 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 145 InterpolantComputations, 101 PerfectInterpolantSequences, 18770/19036 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: 461]: 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: ((a16 == 5 || !(a17 == 1)) || !(a20 == 1)) || !(a8 == 15) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a16 == 5 || !(a17 == 1)) || !(a20 == 1)) || !(a8 == 15) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.76 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 912.3 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 115.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 912.3 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.30 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1291.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 873.2 MB in the end (delta: 228.5 MB). Peak memory consumption was 228.5 MB. Max. memory is 11.5 GB. * CodeCheck took 91914.87 ms. Allocated memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 873.2 MB in the beginning and 1.3 GB in the end (delta: -407.1 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 112.81 ms. Allocated memory is still 3.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.4 kB). Peak memory consumption was 21.4 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...