./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/locks/test_locks_15_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_df53e485-7c3c-4a6f-9f3b-8f1594b29e2a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_df53e485-7c3c-4a6f-9f3b-8f1594b29e2a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_df53e485-7c3c-4a6f-9f3b-8f1594b29e2a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_df53e485-7c3c-4a6f-9f3b-8f1594b29e2a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_15_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_df53e485-7c3c-4a6f-9f3b-8f1594b29e2a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_df53e485-7c3c-4a6f-9f3b-8f1594b29e2a/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 129b0578c0c64625cef50fbcfd5d128651ff3275 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:36:09,462 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:36:09,463 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:36:09,472 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:36:09,472 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:36:09,473 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:36:09,474 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:36:09,475 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:36:09,476 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:36:09,477 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:36:09,477 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:36:09,477 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:36:09,478 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:36:09,479 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:36:09,479 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:36:09,480 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:36:09,480 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:36:09,481 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:36:09,483 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:36:09,484 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:36:09,484 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:36:09,485 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:36:09,487 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:36:09,487 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:36:09,487 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:36:09,488 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:36:09,488 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:36:09,489 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:36:09,489 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:36:09,490 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:36:09,490 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:36:09,491 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:36:09,491 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:36:09,491 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:36:09,492 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:36:09,492 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:36:09,492 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_df53e485-7c3c-4a6f-9f3b-8f1594b29e2a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 12:36:09,502 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:36:09,502 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:36:09,503 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:36:09,503 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:36:09,503 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:36:09,503 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:36:09,504 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:36:09,504 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:36:09,504 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:36:09,504 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:36:09,504 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:36:09,504 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:36:09,504 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:36:09,504 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:36:09,505 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:36:09,505 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:36:09,505 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:36:09,505 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:36:09,505 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:36:09,505 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:36:09,505 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:36:09,506 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:36:09,506 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:36:09,506 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:36:09,506 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:36:09,506 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:36:09,506 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:36:09,506 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:36:09,506 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:36:09,507 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_df53e485-7c3c-4a6f-9f3b-8f1594b29e2a/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 -> 129b0578c0c64625cef50fbcfd5d128651ff3275 [2018-11-18 12:36:09,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:36:09,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:36:09,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:36:09,543 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:36:09,543 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:36:09,543 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_df53e485-7c3c-4a6f-9f3b-8f1594b29e2a/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_15_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-18 12:36:09,580 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_df53e485-7c3c-4a6f-9f3b-8f1594b29e2a/bin-2019/ukojak/data/ca3f9bbc2/9588b5a07933413ab8a0702843696839/FLAG1884e98ed [2018-11-18 12:36:09,986 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:36:09,986 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_df53e485-7c3c-4a6f-9f3b-8f1594b29e2a/sv-benchmarks/c/locks/test_locks_15_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-18 12:36:09,991 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_df53e485-7c3c-4a6f-9f3b-8f1594b29e2a/bin-2019/ukojak/data/ca3f9bbc2/9588b5a07933413ab8a0702843696839/FLAG1884e98ed [2018-11-18 12:36:09,999 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_df53e485-7c3c-4a6f-9f3b-8f1594b29e2a/bin-2019/ukojak/data/ca3f9bbc2/9588b5a07933413ab8a0702843696839 [2018-11-18 12:36:10,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:36:10,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:36:10,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:36:10,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:36:10,005 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:36:10,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:36:10" (1/1) ... [2018-11-18 12:36:10,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc33b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:36:10, skipping insertion in model container [2018-11-18 12:36:10,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:36:10" (1/1) ... [2018-11-18 12:36:10,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:36:10,033 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:36:10,148 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:36:10,151 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:36:10,170 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:36:10,178 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:36:10,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:36:10 WrapperNode [2018-11-18 12:36:10,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:36:10,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:36:10,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:36:10,179 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:36:10,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:36:10" (1/1) ... [2018-11-18 12:36:10,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:36:10" (1/1) ... [2018-11-18 12:36:10,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:36:10,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:36:10,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:36:10,248 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:36:10,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:36:10" (1/1) ... [2018-11-18 12:36:10,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:36:10" (1/1) ... [2018-11-18 12:36:10,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:36:10" (1/1) ... [2018-11-18 12:36:10,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:36:10" (1/1) ... [2018-11-18 12:36:10,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:36:10" (1/1) ... [2018-11-18 12:36:10,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:36:10" (1/1) ... [2018-11-18 12:36:10,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:36:10" (1/1) ... [2018-11-18 12:36:10,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:36:10,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:36:10,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:36:10,269 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:36:10,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:36:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_df53e485-7c3c-4a6f-9f3b-8f1594b29e2a/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:36:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:36:10,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:36:10,725 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:36:10,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:36:10 BoogieIcfgContainer [2018-11-18 12:36:10,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:36:10,726 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:36:10,726 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:36:10,733 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:36:10,733 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:36:10" (1/1) ... [2018-11-18 12:36:10,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:36:10,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:10,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 71 transitions. [2018-11-18 12:36:10,765 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2018-11-18 12:36:10,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 12:36:10,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:10,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:10,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:10,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2018-11-18 12:36:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2018-11-18 12:36:10,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 12:36:10,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:11,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:11,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:11,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2018-11-18 12:36:11,096 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2018-11-18 12:36:11,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 12:36:11,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:11,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:11,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2018-11-18 12:36:11,350 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2018-11-18 12:36:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 12:36:11,350 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:11,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:11,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:11,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-11-18 12:36:11,448 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-11-18 12:36:11,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 12:36:11,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:11,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:11,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:11,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2018-11-18 12:36:11,833 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2018-11-18 12:36:11,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 12:36:11,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:11,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:11,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2018-11-18 12:36:11,924 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2018-11-18 12:36:11,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 12:36:11,925 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:11,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:12,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:12,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2018-11-18 12:36:12,020 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2018-11-18 12:36:12,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 12:36:12,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:12,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:12,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2018-11-18 12:36:12,108 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2018-11-18 12:36:12,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 12:36:12,109 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:12,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:12,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2018-11-18 12:36:12,642 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2018-11-18 12:36:12,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 12:36:12,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:12,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:12,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2018-11-18 12:36:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2018-11-18 12:36:12,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 12:36:12,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:12,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:12,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:12,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 75 transitions. [2018-11-18 12:36:12,853 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 75 transitions. [2018-11-18 12:36:12,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 12:36:12,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:12,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:12,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:12,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2018-11-18 12:36:12,973 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2018-11-18 12:36:12,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 12:36:12,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:13,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:13,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:13,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 89 transitions. [2018-11-18 12:36:13,768 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2018-11-18 12:36:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 12:36:13,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:13,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:13,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:13,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2018-11-18 12:36:13,880 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2018-11-18 12:36:13,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 12:36:13,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:13,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:14,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:14,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2018-11-18 12:36:14,005 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2018-11-18 12:36:14,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 12:36:14,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:14,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:14,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 77 transitions. [2018-11-18 12:36:14,140 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2018-11-18 12:36:14,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:36:14,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:14,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:14,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:14,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2018-11-18 12:36:14,271 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2018-11-18 12:36:14,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:36:14,271 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:14,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:15,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:15,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2018-11-18 12:36:15,430 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2018-11-18 12:36:15,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:36:15,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:15,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:15,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:15,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2018-11-18 12:36:15,581 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2018-11-18 12:36:15,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:36:15,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:15,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:15,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:15,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2018-11-18 12:36:15,723 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2018-11-18 12:36:15,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:36:15,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:15,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:15,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2018-11-18 12:36:15,904 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2018-11-18 12:36:15,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:36:15,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:15,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2018-11-18 12:36:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2018-11-18 12:36:16,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 12:36:16,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:16,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:16,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:16,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2018-11-18 12:36:16,261 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2018-11-18 12:36:16,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 12:36:16,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:16,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:16,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:16,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-11-18 12:36:16,430 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-11-18 12:36:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 12:36:16,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:16,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:17,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:17,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 56 states and 99 transitions. [2018-11-18 12:36:17,941 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 99 transitions. [2018-11-18 12:36:17,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 12:36:17,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:18,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:18,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 57 states and 99 transitions. [2018-11-18 12:36:18,109 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 99 transitions. [2018-11-18 12:36:18,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 12:36:18,109 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:18,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:18,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 58 states and 99 transitions. [2018-11-18 12:36:18,333 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 99 transitions. [2018-11-18 12:36:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 12:36:18,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:18,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:18,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:18,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 99 transitions. [2018-11-18 12:36:18,591 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2018-11-18 12:36:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 12:36:18,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:18,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:18,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:18,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 47 states and 81 transitions. [2018-11-18 12:36:18,840 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 81 transitions. [2018-11-18 12:36:18,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:36:18,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:19,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:19,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 48 states and 81 transitions. [2018-11-18 12:36:19,040 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 81 transitions. [2018-11-18 12:36:19,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:36:19,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:19,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:19,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:19,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2018-11-18 12:36:19,224 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2018-11-18 12:36:19,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:36:19,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:19,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:19,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:19,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 50 states and 81 transitions. [2018-11-18 12:36:19,408 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 81 transitions. [2018-11-18 12:36:19,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:36:19,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:19,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:21,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 59 states and 104 transitions. [2018-11-18 12:36:21,432 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 104 transitions. [2018-11-18 12:36:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:36:21,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:21,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:21,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:21,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 60 states and 104 transitions. [2018-11-18 12:36:21,630 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 104 transitions. [2018-11-18 12:36:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:36:21,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:21,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:21,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:21,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 104 transitions. [2018-11-18 12:36:21,847 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2018-11-18 12:36:21,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:36:21,847 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:21,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:22,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:22,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 62 states and 104 transitions. [2018-11-18 12:36:22,125 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 104 transitions. [2018-11-18 12:36:22,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:36:22,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:22,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:22,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:22,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 48 states and 83 transitions. [2018-11-18 12:36:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 83 transitions. [2018-11-18 12:36:22,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:36:22,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:22,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:22,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2018-11-18 12:36:22,665 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2018-11-18 12:36:22,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:36:22,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:22,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:22,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2018-11-18 12:36:22,886 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2018-11-18 12:36:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:36:22,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:22,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:23,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:23,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 83 transitions. [2018-11-18 12:36:23,101 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 83 transitions. [2018-11-18 12:36:23,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:36:23,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:23,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:25,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:25,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 61 states and 109 transitions. [2018-11-18 12:36:25,867 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2018-11-18 12:36:25,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:36:25,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:25,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:26,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 62 states and 109 transitions. [2018-11-18 12:36:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2018-11-18 12:36:26,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:36:26,078 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:26,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:26,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:26,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 63 states and 109 transitions. [2018-11-18 12:36:26,332 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 109 transitions. [2018-11-18 12:36:26,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:36:26,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:26,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:26,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:26,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 64 states and 109 transitions. [2018-11-18 12:36:26,588 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 109 transitions. [2018-11-18 12:36:26,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:36:26,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:26,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:26,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:26,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 109 transitions. [2018-11-18 12:36:26,903 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 109 transitions. [2018-11-18 12:36:26,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:36:26,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:26,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:27,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:27,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 85 transitions. [2018-11-18 12:36:27,261 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2018-11-18 12:36:27,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:36:27,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:27,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:27,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 85 transitions. [2018-11-18 12:36:27,569 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2018-11-18 12:36:27,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:36:27,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:27,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:27,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 51 states and 85 transitions. [2018-11-18 12:36:27,883 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 85 transitions. [2018-11-18 12:36:27,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:36:27,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:27,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:28,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:28,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2018-11-18 12:36:28,168 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2018-11-18 12:36:28,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:36:28,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:28,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:28,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2018-11-18 12:36:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2018-11-18 12:36:28,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:36:28,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:28,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:32,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:32,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 64 states and 114 transitions. [2018-11-18 12:36:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 114 transitions. [2018-11-18 12:36:32,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:36:32,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:32,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:32,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2018-11-18 12:36:32,352 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2018-11-18 12:36:32,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:36:32,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:32,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:32,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:32,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 66 states and 114 transitions. [2018-11-18 12:36:32,659 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 114 transitions. [2018-11-18 12:36:32,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:36:32,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:32,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:32,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 67 states and 114 transitions. [2018-11-18 12:36:32,977 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 114 transitions. [2018-11-18 12:36:32,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:36:32,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:32,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:33,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:33,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 68 states and 114 transitions. [2018-11-18 12:36:33,340 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2018-11-18 12:36:33,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:36:33,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:33,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:33,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:33,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 50 states and 87 transitions. [2018-11-18 12:36:33,751 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 87 transitions. [2018-11-18 12:36:33,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:36:33,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:33,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:34,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:34,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2018-11-18 12:36:34,116 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2018-11-18 12:36:34,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:36:34,117 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:34,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:34,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:34,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 87 transitions. [2018-11-18 12:36:34,441 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 87 transitions. [2018-11-18 12:36:34,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:36:34,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:34,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:34,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:34,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 53 states and 87 transitions. [2018-11-18 12:36:34,798 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 87 transitions. [2018-11-18 12:36:34,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:36:34,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:34,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:35,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:35,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 54 states and 87 transitions. [2018-11-18 12:36:35,104 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 87 transitions. [2018-11-18 12:36:35,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:36:35,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:35,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:35,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:35,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 87 transitions. [2018-11-18 12:36:35,401 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 87 transitions. [2018-11-18 12:36:35,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:36:35,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:40,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:40,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 67 states and 119 transitions. [2018-11-18 12:36:40,174 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 119 transitions. [2018-11-18 12:36:40,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:36:40,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:40,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:40,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:40,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 119 transitions. [2018-11-18 12:36:40,513 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 119 transitions. [2018-11-18 12:36:40,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:36:40,513 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:40,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 69 states and 119 transitions. [2018-11-18 12:36:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 119 transitions. [2018-11-18 12:36:40,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:36:40,881 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:40,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:41,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:41,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 70 states and 119 transitions. [2018-11-18 12:36:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 119 transitions. [2018-11-18 12:36:41,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:36:41,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:41,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:41,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 71 states and 119 transitions. [2018-11-18 12:36:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 119 transitions. [2018-11-18 12:36:41,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:36:41,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:41,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:42,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:42,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 89 transitions. [2018-11-18 12:36:42,174 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2018-11-18 12:36:42,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:36:42,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:42,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:42,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:42,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2018-11-18 12:36:42,613 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2018-11-18 12:36:42,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:36:42,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:42,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:43,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2018-11-18 12:36:43,003 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2018-11-18 12:36:43,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:36:43,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:43,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:43,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:43,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2018-11-18 12:36:43,388 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2018-11-18 12:36:43,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:36:43,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:43,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:43,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:43,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2018-11-18 12:36:43,754 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2018-11-18 12:36:43,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:36:43,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:44,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:44,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 56 states and 89 transitions. [2018-11-18 12:36:44,125 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 89 transitions. [2018-11-18 12:36:44,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:36:44,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:50,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 69 states and 124 transitions. [2018-11-18 12:36:50,083 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 124 transitions. [2018-11-18 12:36:50,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:36:50,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:50,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:50,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:50,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 70 states and 124 transitions. [2018-11-18 12:36:50,447 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 124 transitions. [2018-11-18 12:36:50,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:36:50,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:50,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:50,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:50,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 71 states and 124 transitions. [2018-11-18 12:36:50,870 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 124 transitions. [2018-11-18 12:36:50,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:36:50,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:50,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:51,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 72 states and 124 transitions. [2018-11-18 12:36:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 124 transitions. [2018-11-18 12:36:51,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:36:51,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:51,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:51,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:51,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 73 states and 124 transitions. [2018-11-18 12:36:51,778 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 124 transitions. [2018-11-18 12:36:51,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:36:51,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:52,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:52,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 74 states and 124 transitions. [2018-11-18 12:36:52,302 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 124 transitions. [2018-11-18 12:36:52,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:36:52,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:52,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:52,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:52,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 52 states and 91 transitions. [2018-11-18 12:36:52,838 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2018-11-18 12:36:52,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:36:52,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:52,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:53,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:53,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 53 states and 91 transitions. [2018-11-18 12:36:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2018-11-18 12:36:53,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:36:53,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:53,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:53,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 91 transitions. [2018-11-18 12:36:53,860 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2018-11-18 12:36:53,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:36:53,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:54,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:54,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2018-11-18 12:36:54,319 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2018-11-18 12:36:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:36:54,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:54,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:54,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:54,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 91 transitions. [2018-11-18 12:36:54,786 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2018-11-18 12:36:54,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:36:54,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:54,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:55,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:55,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 57 states and 91 transitions. [2018-11-18 12:36:55,263 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 91 transitions. [2018-11-18 12:36:55,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:36:55,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:55,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:36:55,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 91 transitions. [2018-11-18 12:36:55,675 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 91 transitions. [2018-11-18 12:36:55,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:36:55,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:36:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:36:55,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:03,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:03,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 72 states and 129 transitions. [2018-11-18 12:37:03,201 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 129 transitions. [2018-11-18 12:37:03,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:37:03,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:03,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:03,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:03,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 73 states and 129 transitions. [2018-11-18 12:37:03,668 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2018-11-18 12:37:03,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:37:03,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:03,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:04,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:04,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 74 states and 129 transitions. [2018-11-18 12:37:04,154 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 129 transitions. [2018-11-18 12:37:04,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:37:04,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:04,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:04,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 75 states and 129 transitions. [2018-11-18 12:37:04,675 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 129 transitions. [2018-11-18 12:37:04,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:37:04,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:05,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:05,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 76 states and 129 transitions. [2018-11-18 12:37:05,223 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 129 transitions. [2018-11-18 12:37:05,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:37:05,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:05,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:05,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 77 states and 129 transitions. [2018-11-18 12:37:05,819 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 129 transitions. [2018-11-18 12:37:05,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:37:05,820 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:05,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:06,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 53 states and 93 transitions. [2018-11-18 12:37:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 93 transitions. [2018-11-18 12:37:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:37:06,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:06,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:07,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:07,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2018-11-18 12:37:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2018-11-18 12:37:07,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:37:07,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:07,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:07,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:07,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 93 transitions. [2018-11-18 12:37:07,703 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2018-11-18 12:37:07,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:37:07,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:07,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:08,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:08,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2018-11-18 12:37:08,246 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2018-11-18 12:37:08,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:37:08,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:08,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:08,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:08,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 57 states and 93 transitions. [2018-11-18 12:37:08,782 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 93 transitions. [2018-11-18 12:37:08,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:37:08,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:08,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:09,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:09,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 58 states and 93 transitions. [2018-11-18 12:37:09,296 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 93 transitions. [2018-11-18 12:37:09,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:37:09,296 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:09,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:09,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:09,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 59 states and 93 transitions. [2018-11-18 12:37:09,794 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 93 transitions. [2018-11-18 12:37:09,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:37:09,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:09,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:10,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:10,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2018-11-18 12:37:10,282 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2018-11-18 12:37:10,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:37:10,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:10,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:19,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 75 states and 134 transitions. [2018-11-18 12:37:19,730 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 134 transitions. [2018-11-18 12:37:19,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:37:19,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:19,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:20,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:20,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 76 states and 134 transitions. [2018-11-18 12:37:20,255 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 134 transitions. [2018-11-18 12:37:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:37:20,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:20,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:20,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:20,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 77 states and 134 transitions. [2018-11-18 12:37:20,823 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 134 transitions. [2018-11-18 12:37:20,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:37:20,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:20,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:21,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:21,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 134 transitions. [2018-11-18 12:37:21,482 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2018-11-18 12:37:21,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:37:21,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:21,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:22,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:22,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 134 transitions. [2018-11-18 12:37:22,175 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 134 transitions. [2018-11-18 12:37:22,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:37:22,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:22,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:22,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:22,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 80 states and 134 transitions. [2018-11-18 12:37:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 134 transitions. [2018-11-18 12:37:22,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:37:22,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:23,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 54 states and 95 transitions. [2018-11-18 12:37:23,613 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 95 transitions. [2018-11-18 12:37:23,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:37:23,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:24,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 55 states and 95 transitions. [2018-11-18 12:37:24,326 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 95 transitions. [2018-11-18 12:37:24,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:37:24,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:24,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:24,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:24,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 56 states and 95 transitions. [2018-11-18 12:37:24,980 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 95 transitions. [2018-11-18 12:37:24,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:37:24,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:25,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:25,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 57 states and 95 transitions. [2018-11-18 12:37:25,623 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 95 transitions. [2018-11-18 12:37:25,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:37:25,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:26,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:26,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 58 states and 95 transitions. [2018-11-18 12:37:26,292 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 95 transitions. [2018-11-18 12:37:26,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:37:26,292 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:26,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:26,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 59 states and 95 transitions. [2018-11-18 12:37:26,904 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 95 transitions. [2018-11-18 12:37:26,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:37:26,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:26,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:27,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:27,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 60 states and 95 transitions. [2018-11-18 12:37:27,489 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 95 transitions. [2018-11-18 12:37:27,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:37:27,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:27,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:28,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 61 states and 95 transitions. [2018-11-18 12:37:28,076 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 95 transitions. [2018-11-18 12:37:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:37:28,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:28,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:28,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:28,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 62 states and 95 transitions. [2018-11-18 12:37:28,660 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2018-11-18 12:37:28,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:37:28,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:28,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:29,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:29,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 63 states and 95 transitions. [2018-11-18 12:37:29,265 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2018-11-18 12:37:29,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:37:29,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:29,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:29,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:29,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 64 states and 95 transitions. [2018-11-18 12:37:29,910 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 95 transitions. [2018-11-18 12:37:29,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:37:29,911 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:30,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:30,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 65 states and 95 transitions. [2018-11-18 12:37:30,662 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 95 transitions. [2018-11-18 12:37:30,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:37:30,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:31,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:31,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 66 states and 95 transitions. [2018-11-18 12:37:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2018-11-18 12:37:31,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:37:31,523 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:31,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:32,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:32,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2018-11-18 12:37:32,410 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2018-11-18 12:37:32,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:37:32,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:37:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:37:32,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:37:33,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:37:33,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2018-11-18 12:37:33,252 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2018-11-18 12:37:33,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:37:33,252 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 121 iterations. [2018-11-18 12:37:33,259 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 12:37:33,721 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:37:33,723 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:37:33,723 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:37:33,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:37:33 ImpRootNode [2018-11-18 12:37:33,723 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:37:33,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:37:33,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:37:33,724 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:37:33,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:36:10" (3/4) ... [2018-11-18 12:37:33,727 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:37:33,734 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-18 12:37:33,734 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:37:33,734 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:37:33,782 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_df53e485-7c3c-4a6f-9f3b-8f1594b29e2a/bin-2019/ukojak/witness.graphml [2018-11-18 12:37:33,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:37:33,783 INFO L168 Benchmark]: Toolchain (without parser) took 83781.84 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 959.7 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 12:37:33,784 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-18 12:37:33,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.13 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 946.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:37:33,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -202.0 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:37:33,785 INFO L168 Benchmark]: Boogie Preprocessor took 20.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:37:33,785 INFO L168 Benchmark]: RCFGBuilder took 456.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:37:33,785 INFO L168 Benchmark]: CodeCheck took 82997.76 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -50.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 12:37:33,785 INFO L168 Benchmark]: Witness Printer took 58.82 ms. Allocated memory is still 2.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:37:33,786 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, 56 locations, 1 error locations. SAFE Result, 82.5s OverallTime, 121 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -478183428 SDslu, 0 SDs, 0 SdLazy, -826343432 SolverSat, -528515076 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 67.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21348 GetRequests, 20448 SyntacticMatches, 0 SemanticMatches, 900 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403664 ImplicationChecksByTransitivity, 79.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2065 NumberOfCodeBlocks, 2065 NumberOfCodeBlocksAsserted, 120 NumberOfCheckSat, 1945 ConstructedInterpolants, 0 QuantifiedInterpolants, 177905 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 120 InterpolantComputations, 120 PerfectInterpolantSequences, 0/0 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: 231]: 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: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 176.13 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 946.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -202.0 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 456.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. * CodeCheck took 82997.76 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -50.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 58.82 ms. Allocated memory is still 2.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...