./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_srvr_14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_328bfa22-35f3-4642-85d9-960a2b3beae4/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_328bfa22-35f3-4642-85d9-960a2b3beae4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_328bfa22-35f3-4642-85d9-960a2b3beae4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_328bfa22-35f3-4642-85d9-960a2b3beae4/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_srvr_14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_328bfa22-35f3-4642-85d9-960a2b3beae4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_328bfa22-35f3-4642-85d9-960a2b3beae4/bin/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 f0194e72737fa00e9def2494335d4249cbea0bcd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:43:21,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:43:21,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:43:21,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:43:21,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:43:21,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:43:21,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:43:21,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:43:21,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:43:21,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:43:21,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:43:21,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:43:21,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:43:21,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:43:21,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:43:21,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:43:21,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:43:21,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:43:21,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:43:21,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:43:21,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:43:21,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:43:21,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:43:21,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:43:21,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:43:21,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:43:21,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:43:21,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:43:21,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:43:21,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:43:21,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:43:21,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:43:21,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:43:21,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:43:21,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:43:21,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:43:21,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:43:21,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:43:21,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:43:21,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:43:21,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:43:21,077 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_328bfa22-35f3-4642-85d9-960a2b3beae4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 05:43:21,100 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:43:21,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:43:21,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 05:43:21,101 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 05:43:21,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:43:21,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:43:21,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:43:21,102 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:43:21,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:43:21,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:43:21,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:43:21,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:43:21,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:43:21,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:43:21,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:43:21,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:43:21,104 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:43:21,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:43:21,104 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 05:43:21,104 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 05:43:21,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:43:21,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:43:21,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 05:43:21,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:43:21,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:43:21,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:43:21,106 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 05:43:21,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:43:21,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:43:21,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_328bfa22-35f3-4642-85d9-960a2b3beae4/bin/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 -> f0194e72737fa00e9def2494335d4249cbea0bcd [2019-11-20 05:43:21,279 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:43:21,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:43:21,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:43:21,299 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:43:21,301 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:43:21,302 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_328bfa22-35f3-4642-85d9-960a2b3beae4/bin/ukojak/../../sv-benchmarks/c/ssh-simplified/s3_srvr_14.cil.c [2019-11-20 05:43:21,367 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_328bfa22-35f3-4642-85d9-960a2b3beae4/bin/ukojak/data/a60b16b50/4e22f0724f384600bd0e920e4c3d7128/FLAG9dbd9217e [2019-11-20 05:43:21,773 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:43:21,773 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_328bfa22-35f3-4642-85d9-960a2b3beae4/sv-benchmarks/c/ssh-simplified/s3_srvr_14.cil.c [2019-11-20 05:43:21,784 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_328bfa22-35f3-4642-85d9-960a2b3beae4/bin/ukojak/data/a60b16b50/4e22f0724f384600bd0e920e4c3d7128/FLAG9dbd9217e [2019-11-20 05:43:21,795 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_328bfa22-35f3-4642-85d9-960a2b3beae4/bin/ukojak/data/a60b16b50/4e22f0724f384600bd0e920e4c3d7128 [2019-11-20 05:43:21,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:43:21,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:43:21,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:43:21,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:43:21,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:43:21,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:43:21" (1/1) ... [2019-11-20 05:43:21,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3568749c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:21, skipping insertion in model container [2019-11-20 05:43:21,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:43:21" (1/1) ... [2019-11-20 05:43:21,812 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:43:21,854 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:43:22,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:43:22,239 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:43:22,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:43:22,336 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:43:22,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:22 WrapperNode [2019-11-20 05:43:22,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:43:22,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:43:22,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:43:22,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:43:22,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:22" (1/1) ... [2019-11-20 05:43:22,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:22" (1/1) ... [2019-11-20 05:43:22,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:43:22,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:43:22,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:43:22,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:43:22,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:22" (1/1) ... [2019-11-20 05:43:22,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:22" (1/1) ... [2019-11-20 05:43:22,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:22" (1/1) ... [2019-11-20 05:43:22,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:22" (1/1) ... [2019-11-20 05:43:22,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:22" (1/1) ... [2019-11-20 05:43:22,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:22" (1/1) ... [2019-11-20 05:43:22,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:22" (1/1) ... [2019-11-20 05:43:22,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:43:22,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:43:22,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:43:22,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:43:22,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_328bfa22-35f3-4642-85d9-960a2b3beae4/bin/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 [2019-11-20 05:43:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:43:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:43:22,661 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 05:43:23,338 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-11-20 05:43:23,338 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-11-20 05:43:23,648 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:43:23,648 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 05:43:23,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:43:23 BoogieIcfgContainer [2019-11-20 05:43:23,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:43:23,650 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 05:43:23,650 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 05:43:23,659 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 05:43:23,659 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:43:23" (1/1) ... [2019-11-20 05:43:23,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:43:23,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:23,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 112 states and 196 transitions. [2019-11-20 05:43:23,709 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 196 transitions. [2019-11-20 05:43:23,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 05:43:23,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:23,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:23,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:23,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 114 states and 197 transitions. [2019-11-20 05:43:23,927 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 197 transitions. [2019-11-20 05:43:23,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 05:43:23,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:23,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:24,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 115 states and 198 transitions. [2019-11-20 05:43:24,012 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 198 transitions. [2019-11-20 05:43:24,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 05:43:24,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:24,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:24,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:24,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 199 transitions. [2019-11-20 05:43:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 199 transitions. [2019-11-20 05:43:24,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 05:43:24,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:24,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:24,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 119 states and 202 transitions. [2019-11-20 05:43:24,163 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 202 transitions. [2019-11-20 05:43:24,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 05:43:24,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:24,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:24,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 121 states and 204 transitions. [2019-11-20 05:43:24,241 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 204 transitions. [2019-11-20 05:43:24,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 05:43:24,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:24,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:24,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:24,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 130 states and 243 transitions. [2019-11-20 05:43:24,413 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 243 transitions. [2019-11-20 05:43:24,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 05:43:24,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:24,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:24,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:24,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 131 states and 243 transitions. [2019-11-20 05:43:24,491 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 243 transitions. [2019-11-20 05:43:24,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 05:43:24,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:24,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:24,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:24,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 144 states and 279 transitions. [2019-11-20 05:43:24,867 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 279 transitions. [2019-11-20 05:43:24,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 05:43:24,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:24,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:25,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:25,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 148 states and 302 transitions. [2019-11-20 05:43:25,428 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 302 transitions. [2019-11-20 05:43:25,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 05:43:25,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:25,492 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:25,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:25,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 161 states and 361 transitions. [2019-11-20 05:43:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 361 transitions. [2019-11-20 05:43:25,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 05:43:25,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:25,802 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:25,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:25,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 162 states and 362 transitions. [2019-11-20 05:43:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 362 transitions. [2019-11-20 05:43:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 05:43:25,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:25,889 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:43:26,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:26,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 167 states and 370 transitions. [2019-11-20 05:43:26,054 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 370 transitions. [2019-11-20 05:43:26,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 05:43:26,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:26,072 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:43:26,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:26,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 172 states and 378 transitions. [2019-11-20 05:43:26,258 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 378 transitions. [2019-11-20 05:43:26,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 05:43:26,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:26,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 176 states and 386 transitions. [2019-11-20 05:43:26,729 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 386 transitions. [2019-11-20 05:43:26,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 05:43:26,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:26,810 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:43:28,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:28,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 199 states and 444 transitions. [2019-11-20 05:43:28,178 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 444 transitions. [2019-11-20 05:43:28,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 05:43:28,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:28,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:28,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:28,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 201 states and 450 transitions. [2019-11-20 05:43:28,413 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 450 transitions. [2019-11-20 05:43:28,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 05:43:28,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:28,431 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:28,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:28,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 207 states and 462 transitions. [2019-11-20 05:43:28,479 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 462 transitions. [2019-11-20 05:43:28,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 05:43:28,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:28,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:28,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 209 states and 469 transitions. [2019-11-20 05:43:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 469 transitions. [2019-11-20 05:43:28,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 05:43:28,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:29,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:29,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 224 states and 527 transitions. [2019-11-20 05:43:29,806 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 527 transitions. [2019-11-20 05:43:29,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 05:43:29,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:29,829 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:43:29,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:29,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 225 states and 528 transitions. [2019-11-20 05:43:29,853 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 528 transitions. [2019-11-20 05:43:29,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 05:43:29,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 05:43:30,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:30,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 229 states and 537 transitions. [2019-11-20 05:43:30,371 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 537 transitions. [2019-11-20 05:43:30,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 05:43:30,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:30,657 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:43:31,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:31,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 237 states and 575 transitions. [2019-11-20 05:43:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 575 transitions. [2019-11-20 05:43:31,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 05:43:31,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 05:43:31,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:31,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 238 states and 576 transitions. [2019-11-20 05:43:31,876 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 576 transitions. [2019-11-20 05:43:31,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 05:43:31,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:31,905 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:43:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:32,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 248 states and 603 transitions. [2019-11-20 05:43:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 603 transitions. [2019-11-20 05:43:32,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 05:43:32,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:32,748 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:33,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:33,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 255 states and 622 transitions. [2019-11-20 05:43:33,185 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 622 transitions. [2019-11-20 05:43:33,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 05:43:33,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:33,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:33,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 261 states and 634 transitions. [2019-11-20 05:43:33,257 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 634 transitions. [2019-11-20 05:43:33,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 05:43:33,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:33,272 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:33,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:33,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 263 states and 641 transitions. [2019-11-20 05:43:33,320 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 641 transitions. [2019-11-20 05:43:33,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 05:43:33,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:33,336 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 05:43:33,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:33,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 264 states and 642 transitions. [2019-11-20 05:43:33,367 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 642 transitions. [2019-11-20 05:43:33,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 05:43:33,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:33,383 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:33,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:33,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 267 states and 648 transitions. [2019-11-20 05:43:33,400 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 648 transitions. [2019-11-20 05:43:33,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 05:43:33,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:33,415 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:43:34,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 276 states and 673 transitions. [2019-11-20 05:43:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 673 transitions. [2019-11-20 05:43:34,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 05:43:34,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:34,357 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:43:35,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:35,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 288 states and 726 transitions. [2019-11-20 05:43:35,746 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 726 transitions. [2019-11-20 05:43:35,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 05:43:35,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:35,869 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:43:37,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:37,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 296 states and 766 transitions. [2019-11-20 05:43:37,410 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 766 transitions. [2019-11-20 05:43:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 05:43:37,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:37,549 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:43:38,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:38,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 302 states and 796 transitions. [2019-11-20 05:43:38,385 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 796 transitions. [2019-11-20 05:43:38,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 05:43:38,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:38,401 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:43:38,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:38,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 303 states and 797 transitions. [2019-11-20 05:43:38,670 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 797 transitions. [2019-11-20 05:43:38,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 05:43:38,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:38,686 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 05:43:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:39,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 307 states and 806 transitions. [2019-11-20 05:43:39,410 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 806 transitions. [2019-11-20 05:43:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 05:43:39,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:39,424 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:43:39,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:39,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 308 states and 807 transitions. [2019-11-20 05:43:39,465 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 807 transitions. [2019-11-20 05:43:39,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 05:43:39,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:39,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:39,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 309 states and 813 transitions. [2019-11-20 05:43:39,497 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 813 transitions. [2019-11-20 05:43:39,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 05:43:39,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:39,514 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:39,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:39,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 310 states and 813 transitions. [2019-11-20 05:43:39,773 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 813 transitions. [2019-11-20 05:43:39,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 05:43:39,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:39,788 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 05:43:40,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:40,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 314 states and 819 transitions. [2019-11-20 05:43:40,378 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 819 transitions. [2019-11-20 05:43:40,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 05:43:40,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:40,528 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:43:42,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:42,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 326 states and 868 transitions. [2019-11-20 05:43:42,083 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 868 transitions. [2019-11-20 05:43:42,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 05:43:42,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:42,204 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:43:43,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:43,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 332 states and 898 transitions. [2019-11-20 05:43:43,448 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 898 transitions. [2019-11-20 05:43:43,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 05:43:43,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:43,487 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 05:43:43,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:43,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 333 states and 899 transitions. [2019-11-20 05:43:43,543 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 899 transitions. [2019-11-20 05:43:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 05:43:43,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:43,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:43,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 334 states and 904 transitions. [2019-11-20 05:43:43,569 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 904 transitions. [2019-11-20 05:43:43,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 05:43:43,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:43,583 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 05:43:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:43,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 338 states and 910 transitions. [2019-11-20 05:43:43,996 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 910 transitions. [2019-11-20 05:43:43,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 05:43:43,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:44,142 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:43:45,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:45,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 350 states and 958 transitions. [2019-11-20 05:43:45,786 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 958 transitions. [2019-11-20 05:43:45,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 05:43:45,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 05:43:45,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:45,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 351 states and 959 transitions. [2019-11-20 05:43:45,850 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 959 transitions. [2019-11-20 05:43:45,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 05:43:45,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:45,870 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:45,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 354 states and 965 transitions. [2019-11-20 05:43:45,897 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 965 transitions. [2019-11-20 05:43:45,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 05:43:45,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:46,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:46,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 357 states and 973 transitions. [2019-11-20 05:43:46,013 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 973 transitions. [2019-11-20 05:43:46,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 05:43:46,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:46,027 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 05:43:46,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:46,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 361 states and 979 transitions. [2019-11-20 05:43:46,479 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 979 transitions. [2019-11-20 05:43:46,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 05:43:46,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:43:48,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:48,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 370 states and 1022 transitions. [2019-11-20 05:43:48,589 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1022 transitions. [2019-11-20 05:43:48,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 05:43:48,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:48,795 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:50,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:50,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 378 states and 1057 transitions. [2019-11-20 05:43:50,541 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 1057 transitions. [2019-11-20 05:43:50,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 05:43:50,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:50,556 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:43:50,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:50,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 379 states and 1058 transitions. [2019-11-20 05:43:50,612 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 1058 transitions. [2019-11-20 05:43:50,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 05:43:50,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:50,627 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:50,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:50,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 380 states and 1063 transitions. [2019-11-20 05:43:50,947 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 1063 transitions. [2019-11-20 05:43:50,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 05:43:50,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:50,962 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:50,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:50,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 381 states and 1064 transitions. [2019-11-20 05:43:50,974 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 1064 transitions. [2019-11-20 05:43:50,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 05:43:50,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:50,988 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:43:51,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:51,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 385 states and 1070 transitions. [2019-11-20 05:43:51,354 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 1070 transitions. [2019-11-20 05:43:51,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 05:43:51,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:43:52,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:52,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 385 states and 1065 transitions. [2019-11-20 05:43:52,086 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 1065 transitions. [2019-11-20 05:43:52,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 05:43:52,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:52,100 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:52,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 386 states and 1070 transitions. [2019-11-20 05:43:52,118 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 1070 transitions. [2019-11-20 05:43:52,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 05:43:52,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:52,259 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:43:52,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:52,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 384 states and 1062 transitions. [2019-11-20 05:43:52,428 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 1062 transitions. [2019-11-20 05:43:52,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 05:43:52,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:52,443 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:43:52,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:52,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 387 states and 1070 transitions. [2019-11-20 05:43:52,465 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1070 transitions. [2019-11-20 05:43:52,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 05:43:52,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:52,478 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 05:43:54,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:54,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 398 states and 1135 transitions. [2019-11-20 05:43:54,405 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 1135 transitions. [2019-11-20 05:43:54,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 05:43:54,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:43:54,610 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:43:55,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:43:55,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 401 states and 1170 transitions. [2019-11-20 05:43:55,095 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 1170 transitions. [2019-11-20 05:43:55,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 05:43:55,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:43:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:43:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:43:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:43:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:43:55,288 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 62 iterations. [2019-11-20 05:43:55,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:43:55 ImpRootNode [2019-11-20 05:43:55,388 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 05:43:55,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:43:55,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:43:55,389 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:43:55,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:43:23" (3/4) ... [2019-11-20 05:43:55,392 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 05:43:55,494 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_328bfa22-35f3-4642-85d9-960a2b3beae4/bin/ukojak/witness.graphml [2019-11-20 05:43:55,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:43:55,497 INFO L168 Benchmark]: Toolchain (without parser) took 33698.01 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 562.0 MB). Free memory was 946.1 MB in the beginning and 1.3 GB in the end (delta: -368.9 MB). Peak memory consumption was 193.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:43:55,498 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:43:55,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:43:55,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.70 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:43:55,502 INFO L168 Benchmark]: Boogie Preprocessor took 80.43 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:43:55,502 INFO L168 Benchmark]: RCFGBuilder took 1161.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:43:55,503 INFO L168 Benchmark]: CodeCheck took 31738.57 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 416.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -297.6 MB). Peak memory consumption was 119.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:43:55,503 INFO L168 Benchmark]: Witness Printer took 105.81 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:43:55,505 INFO L335 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, 112 locations, 1 error locations. Result: UNSAFE, OverallTime: 31.6s, OverallIterations: 62, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1217670356 SDtfs, -875571546 SDslu, -1110275908 SDs, 0 SdLazy, -2134204984 SolverSat, 1781305918 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25709 GetRequests, 24853 SyntacticMatches, 430 SemanticMatches, 426 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93606 ImplicationChecksByTransitivity, 27.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 2290 NumberOfCodeBlocks, 2290 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 2184 ConstructedInterpolants, 0 QuantifiedInterpolants, 194346 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 61 InterpolantComputations, 60 PerfectInterpolantSequences, 555/573 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 640]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L645] int s ; [L646] int tmp ; [L650] s = 8464 [L11] int s__info_callback = __VERIFIER_nondet_int() ; [L12] int s__in_handshake = __VERIFIER_nondet_int() ; [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int() ; [L17] int s__type ; [L18] int s__init_num ; [L19] int s__hit = __VERIFIER_nondet_int() ; [L20] int s__rwstate ; [L21] int s__init_buf___0 = 1; [L22] int s__debug = __VERIFIER_nondet_int() ; [L23] int s__shutdown ; [L24] int s__cert = __VERIFIER_nondet_int() ; [L25] int s__options = __VERIFIER_nondet_int() ; [L26] int s__verify_mode = __VERIFIER_nondet_int() ; [L27] int s__session__peer = __VERIFIER_nondet_int() ; [L28] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L29] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L33] int s__s3__tmp__cert_request ; [L34] int s__s3__tmp__reuse_message ; [L35] int s__s3__tmp__use_rsa_tmp ; [L36] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__next_state___0 ; [L39] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L40] int s__session__cipher ; [L41] int buf ; [L42] unsigned long l ; [L43] unsigned long Time ; [L44] unsigned long tmp ; [L45] int cb ; [L46] long num1 = __VERIFIER_nondet_long() ; [L47] int ret ; [L48] int new_state ; [L49] int state ; [L50] int skip ; [L51] int got_new_session ; [L52] int tmp___1 = __VERIFIER_nondet_int() ; [L53] int tmp___2 = __VERIFIER_nondet_int() ; [L54] int tmp___3 = __VERIFIER_nondet_int() ; [L55] int tmp___4 = __VERIFIER_nondet_int() ; [L56] int tmp___5 = __VERIFIER_nondet_int() ; [L57] int tmp___6 = __VERIFIER_nondet_int() ; [L58] int tmp___7 ; [L59] long tmp___8 = __VERIFIER_nondet_long() ; [L60] int tmp___9 = __VERIFIER_nondet_int() ; [L61] int tmp___10 = __VERIFIER_nondet_int() ; [L62] int blastFlag ; [L63] int __cil_tmp55 ; [L64] unsigned long __cil_tmp56 ; [L65] unsigned long __cil_tmp57 ; [L66] unsigned long __cil_tmp58 ; [L67] unsigned long __cil_tmp59 ; [L68] int __cil_tmp60 ; [L69] unsigned long __cil_tmp61 ; [L72] s__s3__tmp__reuse_message = 0 [L73] s__state = initial_state [L74] blastFlag = 0 [L75] tmp = __VERIFIER_nondet_int() [L76] Time = tmp [L77] cb = 0 [L78] ret = -1 [L79] skip = 0 [L80] got_new_session = 0 [L81] COND FALSE !(s__info_callback != 0) [L84] COND FALSE !(s__ctx__info_callback != 0) [L88] s__in_handshake ++ [L89] COND TRUE tmp___1 + 12288 [L90] COND TRUE tmp___2 + 16384 [L94] COND FALSE !(s__cert == 0) [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 8192) [L110] COND FALSE !(s__state == 24576) [L113] COND FALSE !(s__state == 8195) [L116] COND FALSE !(s__state == 8480) [L119] COND FALSE !(s__state == 8481) [L122] COND FALSE !(s__state == 8482) [L125] COND TRUE s__state == 8464 [L271] s__shutdown = 0 [L272] ret = __VERIFIER_nondet_int() [L273] COND TRUE blastFlag == 0 [L274] blastFlag = 1 [L276] COND FALSE !(ret <= 0) [L279] got_new_session = 1 [L280] s__state = 8496 [L281] s__init_num = 0 [L602] COND TRUE ! s__s3__tmp__reuse_message [L603] COND TRUE ! skip [L604] COND TRUE tmp___1 != -12288 [L605] COND TRUE s__state != 8656 [L606] COND TRUE tmp___2 != -16384 [L607] COND FALSE !(state == 8496) [L614] COND FALSE !(\read(s__debug)) [L620] COND FALSE !(cb != 0) [L629] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 8192) [L110] COND FALSE !(s__state == 24576) [L113] COND FALSE !(s__state == 8195) [L116] COND FALSE !(s__state == 8480) [L119] COND FALSE !(s__state == 8481) [L122] COND FALSE !(s__state == 8482) [L125] COND FALSE !(s__state == 8464) [L128] COND FALSE !(s__state == 8465) [L131] COND FALSE !(s__state == 8466) [L134] COND TRUE s__state == 8496 [L285] ret = __VERIFIER_nondet_int() [L286] COND TRUE blastFlag == 1 [L287] blastFlag = 2 [L289] COND FALSE !(ret <= 0) [L292] COND FALSE !(\read(s__hit)) [L295] s__state = 8512 [L297] s__init_num = 0 [L602] COND TRUE ! s__s3__tmp__reuse_message [L603] COND TRUE ! skip [L604] COND TRUE tmp___1 != -12288 [L605] COND TRUE s__state != 8656 [L606] COND TRUE tmp___2 != -16384 [L607] COND TRUE state == 8496 [L640] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 537.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.70 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.43 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1161.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 11.5 GB. * CodeCheck took 31738.57 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 416.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -297.6 MB). Peak memory consumption was 119.2 MB. Max. memory is 11.5 GB. * Witness Printer took 105.81 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...