./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fd262b13-c429-40d2-a2b2-baaf8c52a162/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd262b13-c429-40d2-a2b2-baaf8c52a162/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd262b13-c429-40d2-a2b2-baaf8c52a162/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd262b13-c429-40d2-a2b2-baaf8c52a162/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fd262b13-c429-40d2-a2b2-baaf8c52a162/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd262b13-c429-40d2-a2b2-baaf8c52a162/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 56f043bec3037ec37b4a132611abd4a337934428 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 08:36:10,510 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:36:10,511 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:36:10,518 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:36:10,519 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:36:10,519 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:36:10,520 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:36:10,521 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:36:10,522 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:36:10,523 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:36:10,524 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:36:10,524 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:36:10,525 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:36:10,525 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:36:10,526 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:36:10,527 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:36:10,527 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:36:10,529 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:36:10,530 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:36:10,531 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:36:10,532 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:36:10,533 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:36:10,534 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:36:10,535 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:36:10,535 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:36:10,535 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:36:10,536 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:36:10,537 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:36:10,537 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:36:10,538 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:36:10,538 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:36:10,539 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:36:10,539 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:36:10,539 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:36:10,540 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:36:10,540 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:36:10,540 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd262b13-c429-40d2-a2b2-baaf8c52a162/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 08:36:10,551 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:36:10,551 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:36:10,551 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:36:10,551 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 08:36:10,552 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 08:36:10,552 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 08:36:10,552 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:36:10,553 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:36:10,553 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:36:10,553 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:36:10,553 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:36:10,553 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:36:10,553 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:36:10,553 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:36:10,554 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:36:10,554 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:36:10,554 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:36:10,554 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 08:36:10,554 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 08:36:10,554 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:36:10,554 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:36:10,555 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 08:36:10,555 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:36:10,555 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:36:10,555 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:36:10,555 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 08:36:10,555 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:36:10,555 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 08:36:10,556 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_fd262b13-c429-40d2-a2b2-baaf8c52a162/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 -> 56f043bec3037ec37b4a132611abd4a337934428 [2018-11-10 08:36:10,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:36:10,590 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:36:10,592 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:36:10,593 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:36:10,594 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:36:10,594 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd262b13-c429-40d2-a2b2-baaf8c52a162/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-10 08:36:10,634 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd262b13-c429-40d2-a2b2-baaf8c52a162/bin-2019/ukojak/data/0fdc6ea86/47179bca29f442cea991d2aad3939a8f/FLAGd50e65c12 [2018-11-10 08:36:11,032 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:36:11,033 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd262b13-c429-40d2-a2b2-baaf8c52a162/sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-10 08:36:11,037 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd262b13-c429-40d2-a2b2-baaf8c52a162/bin-2019/ukojak/data/0fdc6ea86/47179bca29f442cea991d2aad3939a8f/FLAGd50e65c12 [2018-11-10 08:36:11,045 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd262b13-c429-40d2-a2b2-baaf8c52a162/bin-2019/ukojak/data/0fdc6ea86/47179bca29f442cea991d2aad3939a8f [2018-11-10 08:36:11,047 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:36:11,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 08:36:11,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:36:11,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:36:11,052 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:36:11,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:36:11" (1/1) ... [2018-11-10 08:36:11,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:36:11, skipping insertion in model container [2018-11-10 08:36:11,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:36:11" (1/1) ... [2018-11-10 08:36:11,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:36:11,073 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:36:11,181 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:36:11,184 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:36:11,202 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:36:11,214 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:36:11,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:36:11 WrapperNode [2018-11-10 08:36:11,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:36:11,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 08:36:11,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 08:36:11,215 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 08:36:11,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:36:11" (1/1) ... [2018-11-10 08:36:11,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:36:11" (1/1) ... [2018-11-10 08:36:11,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 08:36:11,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:36:11,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:36:11,238 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:36:11,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:36:11" (1/1) ... [2018-11-10 08:36:11,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:36:11" (1/1) ... [2018-11-10 08:36:11,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:36:11" (1/1) ... [2018-11-10 08:36:11,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:36:11" (1/1) ... [2018-11-10 08:36:11,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:36:11" (1/1) ... [2018-11-10 08:36:11,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:36:11" (1/1) ... [2018-11-10 08:36:11,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:36:11" (1/1) ... [2018-11-10 08:36:11,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:36:11,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:36:11,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:36:11,254 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:36:11,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:36:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd262b13-c429-40d2-a2b2-baaf8c52a162/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 [2018-11-10 08:36:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:36:11,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:36:11,710 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:36:11,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:36:11 BoogieIcfgContainer [2018-11-10 08:36:11,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:36:11,711 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 08:36:11,711 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 08:36:11,719 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 08:36:11,719 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:36:11" (1/1) ... [2018-11-10 08:36:11,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:36:11,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:11,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2018-11-10 08:36:11,753 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2018-11-10 08:36:11,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 08:36:11,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:11,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:11,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2018-11-10 08:36:11,923 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2018-11-10 08:36:11,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 08:36:11,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:11,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:12,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:12,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2018-11-10 08:36:12,075 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2018-11-10 08:36:12,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 08:36:12,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:12,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:12,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:12,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2018-11-10 08:36:12,171 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2018-11-10 08:36:12,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 08:36:12,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:12,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:12,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:12,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2018-11-10 08:36:12,429 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2018-11-10 08:36:12,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 08:36:12,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:12,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:12,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:12,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2018-11-10 08:36:12,532 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2018-11-10 08:36:12,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 08:36:12,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:12,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:12,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2018-11-10 08:36:12,601 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2018-11-10 08:36:12,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 08:36:12,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:12,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:12,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:12,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-11-10 08:36:12,964 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-11-10 08:36:12,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 08:36:12,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:13,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:13,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2018-11-10 08:36:13,078 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2018-11-10 08:36:13,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 08:36:13,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:13,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2018-11-10 08:36:13,186 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2018-11-10 08:36:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 08:36:13,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:13,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:13,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:13,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-11-10 08:36:13,741 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-11-10 08:36:13,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 08:36:13,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:13,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:13,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:13,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2018-11-10 08:36:13,843 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2018-11-10 08:36:13,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 08:36:13,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:13,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:13,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:13,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2018-11-10 08:36:13,972 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2018-11-10 08:36:13,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 08:36:13,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:13,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:14,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:14,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2018-11-10 08:36:14,087 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2018-11-10 08:36:14,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 08:36:14,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:14,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:14,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2018-11-10 08:36:14,214 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2018-11-10 08:36:14,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 08:36:14,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:14,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2018-11-10 08:36:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2018-11-10 08:36:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 08:36:14,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:14,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:15,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:15,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-11-10 08:36:15,111 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-11-10 08:36:15,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 08:36:15,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:15,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:15,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-11-10 08:36:15,278 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-11-10 08:36:15,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 08:36:15,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:15,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:15,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2018-11-10 08:36:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2018-11-10 08:36:15,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 08:36:15,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:15,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:15,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-11-10 08:36:15,632 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-11-10 08:36:15,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 08:36:15,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:15,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:15,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:15,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2018-11-10 08:36:15,764 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2018-11-10 08:36:15,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 08:36:15,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:15,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:17,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:17,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2018-11-10 08:36:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2018-11-10 08:36:17,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 08:36:17,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:17,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:17,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:17,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2018-11-10 08:36:17,183 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2018-11-10 08:36:17,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 08:36:17,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:17,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:17,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:17,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2018-11-10 08:36:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2018-11-10 08:36:17,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 08:36:17,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:17,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:17,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:17,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2018-11-10 08:36:17,590 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2018-11-10 08:36:17,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 08:36:17,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:17,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:17,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2018-11-10 08:36:17,775 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2018-11-10 08:36:17,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 08:36:17,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:17,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:17,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:17,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions. [2018-11-10 08:36:17,929 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2018-11-10 08:36:17,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 08:36:17,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:19,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:19,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2018-11-10 08:36:19,458 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2018-11-10 08:36:19,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 08:36:19,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:19,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:19,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:19,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 77 transitions. [2018-11-10 08:36:19,644 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 77 transitions. [2018-11-10 08:36:19,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 08:36:19,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:19,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:19,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-11-10 08:36:19,850 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-11-10 08:36:19,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 08:36:19,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:19,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:20,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:20,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-11-10 08:36:20,121 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-11-10 08:36:20,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 08:36:20,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:20,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:20,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:20,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2018-11-10 08:36:20,363 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2018-11-10 08:36:20,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 08:36:20,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:20,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:20,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:20,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2018-11-10 08:36:20,564 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2018-11-10 08:36:20,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 08:36:20,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:20,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:20,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2018-11-10 08:36:20,767 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2018-11-10 08:36:20,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 08:36:20,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:20,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:20,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:20,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 40 states and 59 transitions. [2018-11-10 08:36:20,953 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2018-11-10 08:36:20,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 08:36:20,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:21,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:23,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:23,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2018-11-10 08:36:23,041 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2018-11-10 08:36:23,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 08:36:23,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:23,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:23,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:23,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2018-11-10 08:36:23,249 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2018-11-10 08:36:23,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 08:36:23,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:23,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:23,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-11-10 08:36:23,532 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-11-10 08:36:23,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 08:36:23,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:23,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:23,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:23,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2018-11-10 08:36:23,827 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2018-11-10 08:36:23,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 08:36:23,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:23,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:24,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:24,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2018-11-10 08:36:24,107 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2018-11-10 08:36:24,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 08:36:24,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:24,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:24,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:24,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2018-11-10 08:36:24,349 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2018-11-10 08:36:24,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 08:36:24,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:24,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:24,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:24,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2018-11-10 08:36:24,599 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2018-11-10 08:36:24,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 08:36:24,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:24,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:24,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:24,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2018-11-10 08:36:24,814 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2018-11-10 08:36:24,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 08:36:24,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:25,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:25,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 61 transitions. [2018-11-10 08:36:25,033 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2018-11-10 08:36:25,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 08:36:25,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:25,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:27,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:27,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 87 transitions. [2018-11-10 08:36:27,890 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 87 transitions. [2018-11-10 08:36:27,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 08:36:27,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:28,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:28,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 53 states and 87 transitions. [2018-11-10 08:36:28,128 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 87 transitions. [2018-11-10 08:36:28,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 08:36:28,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:28,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:28,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:28,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2018-11-10 08:36:28,420 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2018-11-10 08:36:28,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 08:36:28,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:28,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:28,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2018-11-10 08:36:28,759 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2018-11-10 08:36:28,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 08:36:28,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:28,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:29,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:29,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2018-11-10 08:36:29,088 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2018-11-10 08:36:29,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 08:36:29,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:29,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:29,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:29,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2018-11-10 08:36:29,460 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2018-11-10 08:36:29,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 08:36:29,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:29,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:29,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:29,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2018-11-10 08:36:29,774 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2018-11-10 08:36:29,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 08:36:29,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:30,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:30,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2018-11-10 08:36:30,054 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2018-11-10 08:36:30,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 08:36:30,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:30,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:30,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 43 states and 63 transitions. [2018-11-10 08:36:30,359 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2018-11-10 08:36:30,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 08:36:30,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:30,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:34,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:34,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2018-11-10 08:36:34,153 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2018-11-10 08:36:34,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 08:36:34,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:34,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:34,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:34,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2018-11-10 08:36:34,455 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2018-11-10 08:36:34,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 08:36:34,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:34,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:34,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:34,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 56 states and 92 transitions. [2018-11-10 08:36:34,800 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2018-11-10 08:36:34,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 08:36:34,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:34,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:35,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:35,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-11-10 08:36:35,143 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-11-10 08:36:35,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 08:36:35,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:35,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:35,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2018-11-10 08:36:35,573 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2018-11-10 08:36:35,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 08:36:35,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:35,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:35,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:35,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2018-11-10 08:36:35,994 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2018-11-10 08:36:35,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 08:36:35,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:36,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:36,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2018-11-10 08:36:36,370 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2018-11-10 08:36:36,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 08:36:36,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:36,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:36,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:36,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2018-11-10 08:36:36,718 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2018-11-10 08:36:36,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 08:36:36,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:36,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:37,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2018-11-10 08:36:37,070 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2018-11-10 08:36:37,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 08:36:37,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:37,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:37,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 65 transitions. [2018-11-10 08:36:37,388 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2018-11-10 08:36:37,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 08:36:37,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:37,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:37,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:37,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2018-11-10 08:36:37,691 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2018-11-10 08:36:37,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 08:36:37,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:37,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:38,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:38,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 46 states and 65 transitions. [2018-11-10 08:36:38,023 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2018-11-10 08:36:38,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 08:36:38,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:38,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:38,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:38,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2018-11-10 08:36:38,371 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2018-11-10 08:36:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 08:36:38,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:36:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:38,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:36:38,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:36:38,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2018-11-10 08:36:38,767 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2018-11-10 08:36:38,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 08:36:38,767 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 67 iterations. [2018-11-10 08:36:38,773 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 08:36:39,017 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 08:36:39,019 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 08:36:39,019 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 08:36:39,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 08:36:39 ImpRootNode [2018-11-10 08:36:39,020 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 08:36:39,020 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 08:36:39,020 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 08:36:39,020 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 08:36:39,021 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:36:11" (3/4) ... [2018-11-10 08:36:39,023 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 08:36:39,030 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-10 08:36:39,030 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 08:36:39,030 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 08:36:39,079 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fd262b13-c429-40d2-a2b2-baaf8c52a162/bin-2019/ukojak/witness.graphml [2018-11-10 08:36:39,079 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 08:36:39,079 INFO L168 Benchmark]: Toolchain (without parser) took 28031.81 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 695.7 MB). Free memory was 960.2 MB in the beginning and 941.5 MB in the end (delta: 18.8 MB). Peak memory consumption was 714.5 MB. Max. memory is 11.5 GB. [2018-11-10 08:36:39,080 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:36:39,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 165.71 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 08:36:39,081 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.03 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 08:36:39,081 INFO L168 Benchmark]: Boogie Preprocessor took 15.59 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 08:36:39,081 INFO L168 Benchmark]: RCFGBuilder took 457.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-11-10 08:36:39,081 INFO L168 Benchmark]: CodeCheck took 27308.34 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 538.4 MB). Free memory was 1.1 GB in the beginning and 941.5 MB in the end (delta: 165.2 MB). Peak memory consumption was 703.6 MB. Max. memory is 11.5 GB. [2018-11-10 08:36:39,082 INFO L168 Benchmark]: Witness Printer took 58.89 ms. Allocated memory is still 1.7 GB. Free memory is still 941.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:36:39,083 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, 44 locations, 1 error locations. SAFE Result, 27.0s OverallTime, 67 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -924518404 SDslu, 0 SDs, 0 SdLazy, -1495961608 SolverSat, -1042221060 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9360 GetRequests, 8876 SyntacticMatches, 0 SemanticMatches, 484 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111630 ImplicationChecksByTransitivity, 25.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 957 NumberOfCodeBlocks, 957 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 891 ConstructedInterpolants, 0 QuantifiedInterpolants, 62909 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 66 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: 175]: 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: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 165.71 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.03 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.59 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 457.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * CodeCheck took 27308.34 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 538.4 MB). Free memory was 1.1 GB in the beginning and 941.5 MB in the end (delta: 165.2 MB). Peak memory consumption was 703.6 MB. Max. memory is 11.5 GB. * Witness Printer took 58.89 ms. Allocated memory is still 1.7 GB. Free memory is still 941.5 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...