./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/locks/test_locks_10_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_005b0188-d222-4b0a-88dc-0f4180d7a2a9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_005b0188-d222-4b0a-88dc-0f4180d7a2a9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_005b0188-d222-4b0a-88dc-0f4180d7a2a9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_005b0188-d222-4b0a-88dc-0f4180d7a2a9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_10_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_005b0188-d222-4b0a-88dc-0f4180d7a2a9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_005b0188-d222-4b0a-88dc-0f4180d7a2a9/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 0f7b0b589689413087c164ce10eb80c902ee4046 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 19:09:59,529 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 19:09:59,530 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 19:09:59,538 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 19:09:59,538 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 19:09:59,539 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 19:09:59,540 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 19:09:59,541 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 19:09:59,542 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 19:09:59,543 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 19:09:59,543 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 19:09:59,544 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 19:09:59,544 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 19:09:59,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 19:09:59,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 19:09:59,546 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 19:09:59,547 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 19:09:59,548 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 19:09:59,550 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 19:09:59,551 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 19:09:59,552 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 19:09:59,553 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 19:09:59,554 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 19:09:59,554 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 19:09:59,555 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 19:09:59,555 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 19:09:59,556 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 19:09:59,557 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 19:09:59,557 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 19:09:59,558 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 19:09:59,558 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 19:09:59,559 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 19:09:59,559 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 19:09:59,559 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 19:09:59,560 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 19:09:59,560 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 19:09:59,561 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_005b0188-d222-4b0a-88dc-0f4180d7a2a9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 19:09:59,571 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 19:09:59,571 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 19:09:59,572 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 19:09:59,572 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 19:09:59,573 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 19:09:59,573 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 19:09:59,573 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 19:09:59,573 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 19:09:59,573 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 19:09:59,574 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 19:09:59,574 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 19:09:59,574 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 19:09:59,574 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 19:09:59,574 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 19:09:59,574 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 19:09:59,574 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 19:09:59,575 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 19:09:59,575 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 19:09:59,575 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 19:09:59,575 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 19:09:59,575 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 19:09:59,575 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 19:09:59,576 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 19:09:59,576 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 19:09:59,576 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 19:09:59,576 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 19:09:59,576 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 19:09:59,576 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 19:09:59,576 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 19:09:59,577 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_005b0188-d222-4b0a-88dc-0f4180d7a2a9/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 -> 0f7b0b589689413087c164ce10eb80c902ee4046 [2018-11-18 19:09:59,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 19:09:59,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 19:09:59,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 19:09:59,611 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 19:09:59,611 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 19:09:59,611 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_005b0188-d222-4b0a-88dc-0f4180d7a2a9/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_10_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-18 19:09:59,647 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_005b0188-d222-4b0a-88dc-0f4180d7a2a9/bin-2019/ukojak/data/b19c9cab8/49a1cf1baf944a8986c91ad9b2ac2404/FLAGa97fbc4f3 [2018-11-18 19:10:00,049 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 19:10:00,050 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_005b0188-d222-4b0a-88dc-0f4180d7a2a9/sv-benchmarks/c/locks/test_locks_10_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-18 19:10:00,054 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_005b0188-d222-4b0a-88dc-0f4180d7a2a9/bin-2019/ukojak/data/b19c9cab8/49a1cf1baf944a8986c91ad9b2ac2404/FLAGa97fbc4f3 [2018-11-18 19:10:00,063 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_005b0188-d222-4b0a-88dc-0f4180d7a2a9/bin-2019/ukojak/data/b19c9cab8/49a1cf1baf944a8986c91ad9b2ac2404 [2018-11-18 19:10:00,066 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 19:10:00,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 19:10:00,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 19:10:00,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 19:10:00,070 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 19:10:00,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:10:00" (1/1) ... [2018-11-18 19:10:00,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b257b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:10:00, skipping insertion in model container [2018-11-18 19:10:00,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:10:00" (1/1) ... [2018-11-18 19:10:00,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 19:10:00,097 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 19:10:00,207 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:10:00,209 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 19:10:00,225 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:10:00,233 INFO L195 MainTranslator]: Completed translation [2018-11-18 19:10:00,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:10:00 WrapperNode [2018-11-18 19:10:00,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 19:10:00,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 19:10:00,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 19:10:00,234 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 19:10:00,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:10:00" (1/1) ... [2018-11-18 19:10:00,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:10:00" (1/1) ... [2018-11-18 19:10:00,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 19:10:00,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 19:10:00,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 19:10:00,258 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 19:10:00,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:10:00" (1/1) ... [2018-11-18 19:10:00,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:10:00" (1/1) ... [2018-11-18 19:10:00,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:10:00" (1/1) ... [2018-11-18 19:10:00,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:10:00" (1/1) ... [2018-11-18 19:10:00,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:10:00" (1/1) ... [2018-11-18 19:10:00,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:10:00" (1/1) ... [2018-11-18 19:10:00,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:10:00" (1/1) ... [2018-11-18 19:10:00,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 19:10:00,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 19:10:00,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 19:10:00,314 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 19:10:00,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:10:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_005b0188-d222-4b0a-88dc-0f4180d7a2a9/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 19:10:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 19:10:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 19:10:00,707 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 19:10:00,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:10:00 BoogieIcfgContainer [2018-11-18 19:10:00,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 19:10:00,708 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 19:10:00,708 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 19:10:00,716 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 19:10:00,716 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:10:00" (1/1) ... [2018-11-18 19:10:00,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 19:10:00,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:00,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2018-11-18 19:10:00,751 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2018-11-18 19:10:00,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 19:10:00,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:00,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:00,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:00,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2018-11-18 19:10:00,953 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2018-11-18 19:10:00,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 19:10:00,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:01,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:01,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:01,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2018-11-18 19:10:01,195 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2018-11-18 19:10:01,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 19:10:01,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:01,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:01,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2018-11-18 19:10:01,297 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2018-11-18 19:10:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 19:10:01,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:01,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:01,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2018-11-18 19:10:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2018-11-18 19:10:01,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 19:10:01,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:01,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:01,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2018-11-18 19:10:01,683 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2018-11-18 19:10:01,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 19:10:01,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:02,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:02,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2018-11-18 19:10:02,108 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2018-11-18 19:10:02,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 19:10:02,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:02,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:02,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2018-11-18 19:10:02,205 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2018-11-18 19:10:02,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 19:10:02,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:02,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:02,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:02,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2018-11-18 19:10:02,329 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2018-11-18 19:10:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 19:10:02,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:02,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:02,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:02,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2018-11-18 19:10:02,425 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2018-11-18 19:10:02,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 19:10:02,425 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:02,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:02,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:02,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2018-11-18 19:10:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2018-11-18 19:10:02,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 19:10:02,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:02,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:03,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:03,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2018-11-18 19:10:03,080 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2018-11-18 19:10:03,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 19:10:03,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:03,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:03,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:03,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2018-11-18 19:10:03,221 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2018-11-18 19:10:03,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 19:10:03,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:03,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:03,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:03,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2018-11-18 19:10:03,335 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2018-11-18 19:10:03,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 19:10:03,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:03,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:03,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:03,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2018-11-18 19:10:03,443 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2018-11-18 19:10:03,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 19:10:03,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:03,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:04,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:04,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2018-11-18 19:10:04,236 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2018-11-18 19:10:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 19:10:04,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:04,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:04,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:04,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-11-18 19:10:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-11-18 19:10:04,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 19:10:04,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:04,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:04,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:04,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2018-11-18 19:10:04,542 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2018-11-18 19:10:04,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 19:10:04,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:04,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:04,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:04,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2018-11-18 19:10:04,754 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2018-11-18 19:10:04,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 19:10:04,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:04,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:04,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:04,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2018-11-18 19:10:04,949 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2018-11-18 19:10:04,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 19:10:04,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:05,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:06,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:06,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2018-11-18 19:10:06,173 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2018-11-18 19:10:06,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 19:10:06,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:06,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:06,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:06,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2018-11-18 19:10:06,299 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2018-11-18 19:10:06,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 19:10:06,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:06,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:06,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2018-11-18 19:10:06,460 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2018-11-18 19:10:06,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 19:10:06,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:06,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:06,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:06,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2018-11-18 19:10:06,686 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2018-11-18 19:10:06,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 19:10:06,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:06,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:06,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:06,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2018-11-18 19:10:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2018-11-18 19:10:06,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 19:10:06,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:07,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions. [2018-11-18 19:10:07,039 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2018-11-18 19:10:07,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 19:10:07,039 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:07,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:07,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:07,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions. [2018-11-18 19:10:07,187 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2018-11-18 19:10:07,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 19:10:07,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:07,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:08,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:08,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2018-11-18 19:10:08,765 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2018-11-18 19:10:08,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 19:10:08,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:08,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:08,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:08,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2018-11-18 19:10:08,956 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2018-11-18 19:10:08,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 19:10:08,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:08,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:09,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:09,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-11-18 19:10:09,178 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-11-18 19:10:09,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 19:10:09,178 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:09,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:09,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:09,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-11-18 19:10:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-11-18 19:10:09,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 19:10:09,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:09,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:09,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2018-11-18 19:10:09,704 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2018-11-18 19:10:09,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 19:10:09,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:09,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:09,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2018-11-18 19:10:09,906 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2018-11-18 19:10:09,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 19:10:09,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:09,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:10,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:10,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2018-11-18 19:10:10,092 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2018-11-18 19:10:10,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 19:10:10,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:10,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:10,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2018-11-18 19:10:10,313 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2018-11-18 19:10:10,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 19:10:10,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:10,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:12,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:12,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2018-11-18 19:10:12,503 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2018-11-18 19:10:12,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 19:10:12,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:12,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:12,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:12,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 50 states and 81 transitions. [2018-11-18 19:10:12,709 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 81 transitions. [2018-11-18 19:10:12,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 19:10:12,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:12,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:12,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2018-11-18 19:10:12,983 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2018-11-18 19:10:12,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 19:10:12,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:12,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:13,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:13,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2018-11-18 19:10:13,321 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2018-11-18 19:10:13,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 19:10:13,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:13,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:13,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:13,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2018-11-18 19:10:13,592 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2018-11-18 19:10:13,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 19:10:13,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:13,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:13,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:13,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2018-11-18 19:10:13,861 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2018-11-18 19:10:13,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 19:10:13,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:13,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:14,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:14,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 60 transitions. [2018-11-18 19:10:14,106 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 60 transitions. [2018-11-18 19:10:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 19:10:14,106 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:14,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:14,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:14,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2018-11-18 19:10:14,333 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2018-11-18 19:10:14,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 19:10:14,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:14,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2018-11-18 19:10:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2018-11-18 19:10:17,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 19:10:17,210 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:17,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:17,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:17,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 86 transitions. [2018-11-18 19:10:17,440 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2018-11-18 19:10:17,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 19:10:17,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:17,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:17,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:17,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 86 transitions. [2018-11-18 19:10:17,710 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 86 transitions. [2018-11-18 19:10:17,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 19:10:17,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:18,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:18,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-11-18 19:10:18,025 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-11-18 19:10:18,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 19:10:18,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:18,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:18,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:18,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-11-18 19:10:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-11-18 19:10:18,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 19:10:18,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:18,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:18,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:18,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2018-11-18 19:10:18,708 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2018-11-18 19:10:18,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 19:10:18,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:19,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:19,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2018-11-18 19:10:19,010 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2018-11-18 19:10:19,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 19:10:19,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:19,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:19,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 41 states and 62 transitions. [2018-11-18 19:10:19,300 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2018-11-18 19:10:19,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 19:10:19,300 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:19,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:19,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:19,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 62 transitions. [2018-11-18 19:10:19,577 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2018-11-18 19:10:19,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 19:10:19,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:19,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:19,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:19,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2018-11-18 19:10:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2018-11-18 19:10:19,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 19:10:19,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:19,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:20,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:20,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2018-11-18 19:10:20,127 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2018-11-18 19:10:20,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 19:10:20,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:20,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:20,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:20,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2018-11-18 19:10:20,444 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2018-11-18 19:10:20,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 19:10:20,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:10:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:10:20,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:10:20,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:10:20,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2018-11-18 19:10:20,816 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2018-11-18 19:10:20,816 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 19:10:20,816 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2018-11-18 19:10:20,823 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 19:10:21,036 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:10:21,038 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:10:21,038 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:10:21,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 07:10:21 ImpRootNode [2018-11-18 19:10:21,038 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 19:10:21,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 19:10:21,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 19:10:21,039 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 19:10:21,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:10:00" (3/4) ... [2018-11-18 19:10:21,042 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 19:10:21,051 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-18 19:10:21,052 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 19:10:21,052 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 19:10:21,098 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_005b0188-d222-4b0a-88dc-0f4180d7a2a9/bin-2019/ukojak/witness.graphml [2018-11-18 19:10:21,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 19:10:21,099 INFO L168 Benchmark]: Toolchain (without parser) took 21032.96 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 549.5 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 374.2 MB. Max. memory is 11.5 GB. [2018-11-18 19:10:21,100 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:10:21,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.43 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 940.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-18 19:10:21,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.29 ms. Allocated memory is still 1.0 GB. Free memory is still 940.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:10:21,100 INFO L168 Benchmark]: Boogie Preprocessor took 55.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 940.2 MB in the beginning and 1.2 GB in the end (delta: -214.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-11-18 19:10:21,101 INFO L168 Benchmark]: RCFGBuilder took 394.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-11-18 19:10:21,101 INFO L168 Benchmark]: CodeCheck took 20330.48 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 389.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -10.6 MB). Peak memory consumption was 379.0 MB. Max. memory is 11.5 GB. [2018-11-18 19:10:21,101 INFO L168 Benchmark]: Witness Printer took 59.74 ms. Allocated memory is still 1.6 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:10:21,103 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, 41 locations, 1 error locations. SAFE Result, 20.0s OverallTime, 56 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -1174782980 SDslu, 0 SDs, 0 SdLazy, -1195788296 SolverSat, 2021161980 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7324 GetRequests, 6924 SyntacticMatches, 0 SemanticMatches, 400 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75113 ImplicationChecksByTransitivity, 18.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 760 NumberOfCodeBlocks, 760 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 705 ConstructedInterpolants, 0 QuantifiedInterpolants, 46095 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 55 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: 161]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 166.43 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 940.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.29 ms. Allocated memory is still 1.0 GB. Free memory is still 940.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 940.2 MB in the beginning and 1.2 GB in the end (delta: -214.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 394.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * CodeCheck took 20330.48 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 389.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -10.6 MB). Peak memory consumption was 379.0 MB. Max. memory is 11.5 GB. * Witness Printer took 59.74 ms. Allocated memory is still 1.6 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...