./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_15_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_976dbc34-a98e-4c69-ada2-7a3e8e7df750/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_976dbc34-a98e-4c69-ada2-7a3e8e7df750/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_976dbc34-a98e-4c69-ada2-7a3e8e7df750/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_976dbc34-a98e-4c69-ada2-7a3e8e7df750/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_15_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_976dbc34-a98e-4c69-ada2-7a3e8e7df750/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_976dbc34-a98e-4c69-ada2-7a3e8e7df750/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 129b0578c0c64625cef50fbcfd5d128651ff3275 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 02:51:00,281 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 02:51:00,282 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 02:51:00,288 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 02:51:00,288 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 02:51:00,289 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 02:51:00,289 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 02:51:00,290 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 02:51:00,291 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 02:51:00,291 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 02:51:00,292 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 02:51:00,292 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 02:51:00,293 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 02:51:00,293 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 02:51:00,294 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 02:51:00,294 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 02:51:00,295 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 02:51:00,295 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 02:51:00,296 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 02:51:00,297 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 02:51:00,297 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 02:51:00,298 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 02:51:00,299 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 02:51:00,299 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 02:51:00,299 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 02:51:00,300 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 02:51:00,300 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 02:51:00,301 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 02:51:00,301 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 02:51:00,302 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 02:51:00,302 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 02:51:00,302 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 02:51:00,302 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 02:51:00,302 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 02:51:00,303 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 02:51:00,303 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 02:51:00,303 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_976dbc34-a98e-4c69-ada2-7a3e8e7df750/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 02:51:00,310 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 02:51:00,311 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 02:51:00,311 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 02:51:00,311 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 02:51:00,312 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 02:51:00,312 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 02:51:00,312 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 02:51:00,312 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 02:51:00,312 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 02:51:00,312 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 02:51:00,312 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 02:51:00,312 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 02:51:00,313 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 02:51:00,313 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 02:51:00,313 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 02:51:00,313 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 02:51:00,313 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 02:51:00,313 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 02:51:00,313 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 02:51:00,313 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 02:51:00,313 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 02:51:00,314 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 02:51:00,314 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 02:51:00,314 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 02:51:00,314 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 02:51:00,314 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 02:51:00,314 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 02:51:00,314 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 02:51:00,314 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 02:51:00,315 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_976dbc34-a98e-4c69-ada2-7a3e8e7df750/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 129b0578c0c64625cef50fbcfd5d128651ff3275 [2018-12-09 02:51:00,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 02:51:00,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 02:51:00,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 02:51:00,341 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 02:51:00,341 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 02:51:00,341 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_976dbc34-a98e-4c69-ada2-7a3e8e7df750/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_15_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-09 02:51:00,374 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_976dbc34-a98e-4c69-ada2-7a3e8e7df750/bin-2019/ukojak/data/21d9a4c14/651906d14a044742b904c57d61e9761e/FLAG1807bce3f [2018-12-09 02:51:00,806 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 02:51:00,806 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_976dbc34-a98e-4c69-ada2-7a3e8e7df750/sv-benchmarks/c/locks/test_locks_15_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-09 02:51:00,811 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_976dbc34-a98e-4c69-ada2-7a3e8e7df750/bin-2019/ukojak/data/21d9a4c14/651906d14a044742b904c57d61e9761e/FLAG1807bce3f [2018-12-09 02:51:00,818 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_976dbc34-a98e-4c69-ada2-7a3e8e7df750/bin-2019/ukojak/data/21d9a4c14/651906d14a044742b904c57d61e9761e [2018-12-09 02:51:00,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 02:51:00,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 02:51:00,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 02:51:00,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 02:51:00,823 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 02:51:00,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:51:00" (1/1) ... [2018-12-09 02:51:00,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:51:00, skipping insertion in model container [2018-12-09 02:51:00,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:51:00" (1/1) ... [2018-12-09 02:51:00,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 02:51:00,841 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 02:51:00,933 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 02:51:00,935 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 02:51:00,952 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 02:51:00,960 INFO L195 MainTranslator]: Completed translation [2018-12-09 02:51:00,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:51:00 WrapperNode [2018-12-09 02:51:00,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 02:51:00,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 02:51:00,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 02:51:00,961 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 02:51:00,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:51:00" (1/1) ... [2018-12-09 02:51:00,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:51:00" (1/1) ... [2018-12-09 02:51:00,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 02:51:00,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 02:51:00,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 02:51:00,984 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 02:51:01,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:51:00" (1/1) ... [2018-12-09 02:51:01,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:51:00" (1/1) ... [2018-12-09 02:51:01,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:51:00" (1/1) ... [2018-12-09 02:51:01,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:51:00" (1/1) ... [2018-12-09 02:51:01,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:51:00" (1/1) ... [2018-12-09 02:51:01,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:51:00" (1/1) ... [2018-12-09 02:51:01,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:51:00" (1/1) ... [2018-12-09 02:51:01,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 02:51:01,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 02:51:01,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 02:51:01,028 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 02:51:01,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:51:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_976dbc34-a98e-4c69-ada2-7a3e8e7df750/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 [2018-12-09 02:51:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 02:51:01,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 02:51:01,404 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 02:51:01,404 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 02:51:01,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:51:01 BoogieIcfgContainer [2018-12-09 02:51:01,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 02:51:01,405 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 02:51:01,405 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 02:51:01,411 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 02:51:01,411 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:51:01" (1/1) ... [2018-12-09 02:51:01,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:51:01,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:01,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2018-12-09 02:51:01,440 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2018-12-09 02:51:01,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 02:51:01,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:01,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:01,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:01,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2018-12-09 02:51:01,580 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2018-12-09 02:51:01,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 02:51:01,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:01,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:01,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:01,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2018-12-09 02:51:01,728 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2018-12-09 02:51:01,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 02:51:01,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:01,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:01,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:01,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2018-12-09 02:51:01,912 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2018-12-09 02:51:01,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 02:51:01,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:01,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:02,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:02,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2018-12-09 02:51:02,007 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2018-12-09 02:51:02,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 02:51:02,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:02,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:02,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:02,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2018-12-09 02:51:02,080 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2018-12-09 02:51:02,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 02:51:02,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:02,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:02,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:02,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2018-12-09 02:51:02,396 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2018-12-09 02:51:02,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 02:51:02,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:02,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:02,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2018-12-09 02:51:02,496 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2018-12-09 02:51:02,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 02:51:02,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:02,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:02,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2018-12-09 02:51:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2018-12-09 02:51:02,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 02:51:02,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:02,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:02,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:02,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2018-12-09 02:51:02,674 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2018-12-09 02:51:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 02:51:02,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:02,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:03,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:03,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2018-12-09 02:51:03,178 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2018-12-09 02:51:03,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 02:51:03,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:03,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:03,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2018-12-09 02:51:03,284 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2018-12-09 02:51:03,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 02:51:03,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:03,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:03,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:03,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2018-12-09 02:51:03,400 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2018-12-09 02:51:03,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 02:51:03,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:03,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:03,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:03,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2018-12-09 02:51:03,510 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2018-12-09 02:51:03,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 02:51:03,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:04,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2018-12-09 02:51:04,245 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2018-12-09 02:51:04,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 02:51:04,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:04,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:04,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:04,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2018-12-09 02:51:04,347 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2018-12-09 02:51:04,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 02:51:04,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:04,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:04,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:04,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 76 transitions. [2018-12-09 02:51:04,477 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2018-12-09 02:51:04,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 02:51:04,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:04,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:04,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-12-09 02:51:04,622 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-12-09 02:51:04,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 02:51:04,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:04,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:04,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:04,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2018-12-09 02:51:04,743 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2018-12-09 02:51:04,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 02:51:04,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:04,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:04,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:04,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2018-12-09 02:51:04,870 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2018-12-09 02:51:04,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 02:51:04,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:04,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:06,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:06,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2018-12-09 02:51:06,010 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2018-12-09 02:51:06,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 02:51:06,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:06,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:06,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:06,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 93 transitions. [2018-12-09 02:51:06,145 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2018-12-09 02:51:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 02:51:06,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:06,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:06,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:06,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2018-12-09 02:51:06,323 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2018-12-09 02:51:06,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 02:51:06,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:06,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:06,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:06,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2018-12-09 02:51:06,502 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2018-12-09 02:51:06,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 02:51:06,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:06,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:06,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2018-12-09 02:51:06,664 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2018-12-09 02:51:06,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 02:51:06,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:06,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:06,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:06,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2018-12-09 02:51:06,815 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2018-12-09 02:51:06,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 02:51:06,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:06,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:06,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:06,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2018-12-09 02:51:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2018-12-09 02:51:06,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 02:51:06,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:07,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:08,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:08,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 57 states and 98 transitions. [2018-12-09 02:51:08,848 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 98 transitions. [2018-12-09 02:51:08,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 02:51:08,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:08,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:09,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:09,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2018-12-09 02:51:09,029 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2018-12-09 02:51:09,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 02:51:09,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:09,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:09,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 80 transitions. [2018-12-09 02:51:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2018-12-09 02:51:09,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 02:51:09,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:09,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2018-12-09 02:51:09,507 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2018-12-09 02:51:09,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 02:51:09,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:09,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 80 transitions. [2018-12-09 02:51:09,712 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2018-12-09 02:51:09,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 02:51:09,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:09,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:09,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:09,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2018-12-09 02:51:09,899 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2018-12-09 02:51:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 02:51:09,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:09,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:10,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2018-12-09 02:51:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2018-12-09 02:51:10,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 02:51:10,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:10,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:12,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:12,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 103 transitions. [2018-12-09 02:51:12,686 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2018-12-09 02:51:12,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 02:51:12,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:12,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:12,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 60 states and 103 transitions. [2018-12-09 02:51:12,903 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 103 transitions. [2018-12-09 02:51:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 02:51:12,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:13,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:13,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2018-12-09 02:51:13,128 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2018-12-09 02:51:13,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 02:51:13,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:13,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:13,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:13,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2018-12-09 02:51:13,395 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2018-12-09 02:51:13,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 02:51:13,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:13,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:13,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:13,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2018-12-09 02:51:13,673 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2018-12-09 02:51:13,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 02:51:13,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:13,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:13,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:13,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2018-12-09 02:51:13,940 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2018-12-09 02:51:13,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 02:51:13,941 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:13,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:14,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:14,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2018-12-09 02:51:14,175 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2018-12-09 02:51:14,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 02:51:14,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:14,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:14,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:14,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 82 transitions. [2018-12-09 02:51:14,410 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2018-12-09 02:51:14,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 02:51:14,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:14,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:17,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:17,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 61 states and 108 transitions. [2018-12-09 02:51:17,439 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 108 transitions. [2018-12-09 02:51:17,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 02:51:17,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:17,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:17,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:17,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 62 states and 108 transitions. [2018-12-09 02:51:17,652 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2018-12-09 02:51:17,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 02:51:17,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:17,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:17,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:17,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 108 transitions. [2018-12-09 02:51:17,886 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2018-12-09 02:51:17,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 02:51:17,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:17,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:18,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:18,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2018-12-09 02:51:18,171 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2018-12-09 02:51:18,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 02:51:18,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:18,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:18,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:18,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 84 transitions. [2018-12-09 02:51:18,509 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2018-12-09 02:51:18,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 02:51:18,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:18,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:18,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2018-12-09 02:51:18,992 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2018-12-09 02:51:18,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 02:51:18,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:19,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:19,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2018-12-09 02:51:19,340 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2018-12-09 02:51:19,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 02:51:19,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:19,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:19,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:19,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 84 transitions. [2018-12-09 02:51:19,650 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 84 transitions. [2018-12-09 02:51:19,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 02:51:19,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:19,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:19,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:19,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 84 transitions. [2018-12-09 02:51:19,939 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 84 transitions. [2018-12-09 02:51:19,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 02:51:19,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:20,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 53 states and 84 transitions. [2018-12-09 02:51:20,201 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 84 transitions. [2018-12-09 02:51:20,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 02:51:20,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:25,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 64 states and 113 transitions. [2018-12-09 02:51:25,619 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 113 transitions. [2018-12-09 02:51:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 02:51:25,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:25,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:25,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 65 states and 113 transitions. [2018-12-09 02:51:25,933 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 113 transitions. [2018-12-09 02:51:25,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 02:51:25,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:25,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:26,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:26,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 66 states and 113 transitions. [2018-12-09 02:51:26,240 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 113 transitions. [2018-12-09 02:51:26,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 02:51:26,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:26,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:26,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:26,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2018-12-09 02:51:26,676 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2018-12-09 02:51:26,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 02:51:26,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:27,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:27,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2018-12-09 02:51:27,189 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2018-12-09 02:51:27,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:51:27,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:27,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:27,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:27,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 86 transitions. [2018-12-09 02:51:27,593 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2018-12-09 02:51:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:51:27,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:27,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:27,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:27,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2018-12-09 02:51:27,990 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2018-12-09 02:51:27,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:51:27,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:27,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:28,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:28,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 86 transitions. [2018-12-09 02:51:28,371 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2018-12-09 02:51:28,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:51:28,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:28,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:28,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 86 transitions. [2018-12-09 02:51:28,857 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 86 transitions. [2018-12-09 02:51:28,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:51:28,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:28,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:29,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:29,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 54 states and 86 transitions. [2018-12-09 02:51:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 86 transitions. [2018-12-09 02:51:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:51:29,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:29,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:37,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:37,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 66 states and 118 transitions. [2018-12-09 02:51:37,725 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 118 transitions. [2018-12-09 02:51:37,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:51:37,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:37,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:38,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:38,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 67 states and 118 transitions. [2018-12-09 02:51:38,062 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 118 transitions. [2018-12-09 02:51:38,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:51:38,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:38,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:38,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 68 states and 118 transitions. [2018-12-09 02:51:38,409 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 118 transitions. [2018-12-09 02:51:38,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:51:38,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:38,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:38,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:38,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 69 states and 118 transitions. [2018-12-09 02:51:38,857 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 118 transitions. [2018-12-09 02:51:38,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:51:38,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:38,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:39,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:39,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2018-12-09 02:51:39,779 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2018-12-09 02:51:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:51:39,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:39,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:40,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:40,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2018-12-09 02:51:40,366 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2018-12-09 02:51:40,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 02:51:40,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:40,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:41,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:41,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2018-12-09 02:51:41,031 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2018-12-09 02:51:41,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 02:51:41,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:41,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:41,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2018-12-09 02:51:41,750 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2018-12-09 02:51:41,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 02:51:41,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:42,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:42,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2018-12-09 02:51:42,457 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2018-12-09 02:51:42,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 02:51:42,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:42,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:42,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:42,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 54 states and 88 transitions. [2018-12-09 02:51:42,932 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 88 transitions. [2018-12-09 02:51:42,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 02:51:42,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:42,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:43,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:43,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 88 transitions. [2018-12-09 02:51:43,489 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2018-12-09 02:51:43,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 02:51:43,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:52,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:52,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 68 states and 123 transitions. [2018-12-09 02:51:52,307 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 123 transitions. [2018-12-09 02:51:52,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 02:51:52,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:52,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 69 states and 123 transitions. [2018-12-09 02:51:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 123 transitions. [2018-12-09 02:51:52,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 02:51:52,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:52,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:53,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:53,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 70 states and 123 transitions. [2018-12-09 02:51:53,099 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 123 transitions. [2018-12-09 02:51:53,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 02:51:53,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:53,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:53,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 123 transitions. [2018-12-09 02:51:53,533 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 123 transitions. [2018-12-09 02:51:53,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 02:51:53,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:53,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:54,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:54,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 72 states and 123 transitions. [2018-12-09 02:51:54,018 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2018-12-09 02:51:54,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 02:51:54,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:54,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:54,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:54,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 73 states and 123 transitions. [2018-12-09 02:51:54,526 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 123 transitions. [2018-12-09 02:51:54,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 02:51:54,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:55,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 90 transitions. [2018-12-09 02:51:55,130 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2018-12-09 02:51:55,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 02:51:55,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:55,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:56,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:56,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 90 transitions. [2018-12-09 02:51:56,256 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2018-12-09 02:51:56,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 02:51:56,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:56,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:57,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:57,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 53 states and 90 transitions. [2018-12-09 02:51:57,508 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 90 transitions. [2018-12-09 02:51:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 02:51:57,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:57,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:58,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:58,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 54 states and 90 transitions. [2018-12-09 02:51:58,040 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 90 transitions. [2018-12-09 02:51:58,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 02:51:58,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:58,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 55 states and 90 transitions. [2018-12-09 02:51:58,560 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 90 transitions. [2018-12-09 02:51:58,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 02:51:58,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:58,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:59,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:59,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 56 states and 90 transitions. [2018-12-09 02:51:59,035 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 90 transitions. [2018-12-09 02:51:59,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 02:51:59,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:51:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:51:59,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2018-12-09 02:51:59,465 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2018-12-09 02:51:59,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 02:51:59,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:51:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:51:59,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:16,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:16,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 71 states and 128 transitions. [2018-12-09 02:52:16,891 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 128 transitions. [2018-12-09 02:52:16,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 02:52:16,891 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:17,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:17,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 72 states and 128 transitions. [2018-12-09 02:52:17,840 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 128 transitions. [2018-12-09 02:52:17,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 02:52:17,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:17,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:18,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:18,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 73 states and 128 transitions. [2018-12-09 02:52:18,351 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 128 transitions. [2018-12-09 02:52:18,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 02:52:18,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:18,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:18,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:18,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 74 states and 128 transitions. [2018-12-09 02:52:18,911 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 128 transitions. [2018-12-09 02:52:18,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 02:52:18,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:18,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:19,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:19,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 75 states and 128 transitions. [2018-12-09 02:52:19,541 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 128 transitions. [2018-12-09 02:52:19,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 02:52:19,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:19,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:20,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:20,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 76 states and 128 transitions. [2018-12-09 02:52:20,701 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 128 transitions. [2018-12-09 02:52:20,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 02:52:20,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:20,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:21,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:21,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2018-12-09 02:52:21,394 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2018-12-09 02:52:21,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 02:52:21,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:21,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:22,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:22,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 92 transitions. [2018-12-09 02:52:22,104 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2018-12-09 02:52:22,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 02:52:22,104 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:22,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:22,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:22,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2018-12-09 02:52:22,770 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2018-12-09 02:52:22,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 02:52:22,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:22,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:24,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:24,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2018-12-09 02:52:24,178 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2018-12-09 02:52:24,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 02:52:24,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:24,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:24,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:24,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 56 states and 92 transitions. [2018-12-09 02:52:24,813 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2018-12-09 02:52:24,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 02:52:24,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:24,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:25,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:25,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 92 transitions. [2018-12-09 02:52:25,379 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2018-12-09 02:52:25,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 02:52:25,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:25,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:25,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2018-12-09 02:52:25,909 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2018-12-09 02:52:25,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 02:52:25,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:25,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:26,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:26,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 59 states and 92 transitions. [2018-12-09 02:52:26,416 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 92 transitions. [2018-12-09 02:52:26,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 02:52:26,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:27,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:40,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:40,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 74 states and 133 transitions. [2018-12-09 02:52:40,388 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 133 transitions. [2018-12-09 02:52:40,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 02:52:40,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:40,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:40,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:40,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 75 states and 133 transitions. [2018-12-09 02:52:40,953 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 133 transitions. [2018-12-09 02:52:40,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 02:52:40,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:40,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:41,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:41,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 76 states and 133 transitions. [2018-12-09 02:52:41,593 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 133 transitions. [2018-12-09 02:52:41,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 02:52:41,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:41,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:42,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:42,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 77 states and 133 transitions. [2018-12-09 02:52:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 133 transitions. [2018-12-09 02:52:42,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 02:52:42,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:42,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:43,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 78 states and 133 transitions. [2018-12-09 02:52:43,947 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2018-12-09 02:52:43,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 02:52:43,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:43,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:44,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 79 states and 133 transitions. [2018-12-09 02:52:44,955 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 133 transitions. [2018-12-09 02:52:44,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 02:52:44,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:44,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:45,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:45,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2018-12-09 02:52:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2018-12-09 02:52:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 02:52:45,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:45,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:46,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:46,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2018-12-09 02:52:46,585 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2018-12-09 02:52:46,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 02:52:46,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:48,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:48,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2018-12-09 02:52:48,515 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2018-12-09 02:52:48,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 02:52:48,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:48,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:49,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2018-12-09 02:52:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2018-12-09 02:52:49,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 02:52:49,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:51,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:51,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2018-12-09 02:52:51,150 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2018-12-09 02:52:51,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 02:52:51,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:51,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:51,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:51,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2018-12-09 02:52:51,848 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2018-12-09 02:52:51,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 02:52:51,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:51,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:52,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:52,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2018-12-09 02:52:52,462 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2018-12-09 02:52:52,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 02:52:52,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:52,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:53,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:53,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 60 states and 94 transitions. [2018-12-09 02:52:53,375 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 94 transitions. [2018-12-09 02:52:53,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 02:52:53,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:54,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:54,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 61 states and 94 transitions. [2018-12-09 02:52:54,710 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 94 transitions. [2018-12-09 02:52:54,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 02:52:54,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:54,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:55,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:55,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 62 states and 94 transitions. [2018-12-09 02:52:55,393 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 94 transitions. [2018-12-09 02:52:55,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 02:52:55,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:55,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:56,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:56,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 63 states and 94 transitions. [2018-12-09 02:52:56,087 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2018-12-09 02:52:56,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 02:52:56,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:56,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:56,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:56,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 64 states and 94 transitions. [2018-12-09 02:52:56,876 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2018-12-09 02:52:56,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 02:52:56,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:58,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 65 states and 94 transitions. [2018-12-09 02:52:58,212 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 94 transitions. [2018-12-09 02:52:58,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 02:52:58,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:58,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:59,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:59,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2018-12-09 02:52:59,033 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2018-12-09 02:52:59,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 02:52:59,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:52:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:52:59,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:52:59,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:52:59,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 36 states and 51 transitions. [2018-12-09 02:52:59,976 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2018-12-09 02:52:59,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 02:52:59,976 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 121 iterations. [2018-12-09 02:52:59,981 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 02:53:00,445 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 02:53:00,447 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 02:53:00,447 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 02:53:00,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 02:53:00 ImpRootNode [2018-12-09 02:53:00,447 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 02:53:00,448 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 02:53:00,448 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 02:53:00,448 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 02:53:00,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:51:01" (3/4) ... [2018-12-09 02:53:00,451 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 02:53:00,457 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-12-09 02:53:00,457 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 02:53:00,458 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 02:53:00,493 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_976dbc34-a98e-4c69-ada2-7a3e8e7df750/bin-2019/ukojak/witness.graphml [2018-12-09 02:53:00,494 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 02:53:00,494 INFO L168 Benchmark]: Toolchain (without parser) took 119673.97 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.7 MB). Free memory was 962.4 MB in the beginning and 822.2 MB in the end (delta: 140.2 MB). Peak memory consumption was 456.9 MB. Max. memory is 11.5 GB. [2018-12-09 02:53:00,495 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:53:00,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.78 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-09 02:53:00,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.37 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 02:53:00,496 INFO L168 Benchmark]: Boogie Preprocessor took 43.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -186.4 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-09 02:53:00,496 INFO L168 Benchmark]: RCFGBuilder took 376.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2018-12-09 02:53:00,496 INFO L168 Benchmark]: CodeCheck took 119042.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.1 GB in the beginning and 822.2 MB in the end (delta: 254.7 MB). Peak memory consumption was 431.4 MB. Max. memory is 11.5 GB. [2018-12-09 02:53:00,496 INFO L168 Benchmark]: Witness Printer took 45.89 ms. Allocated memory is still 1.3 GB. Free memory is still 822.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:53:00,498 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, 54 locations, 1 error locations. SAFE Result, 118.5s OverallTime, 121 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -478183428 SDslu, 0 SDs, 0 SdLazy, -826343432 SolverSat, -528515076 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 75.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20706 GetRequests, 19806 SyntacticMatches, 0 SemanticMatches, 900 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403324 ImplicationChecksByTransitivity, 115.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1945 NumberOfCodeBlocks, 1945 NumberOfCodeBlocksAsserted, 120 NumberOfCheckSat, 1825 ConstructedInterpolants, 0 QuantifiedInterpolants, 165825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 120 InterpolantComputations, 120 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 231]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 139.78 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 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 22.37 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -186.4 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 376.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. * CodeCheck took 119042.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.1 GB in the beginning and 822.2 MB in the end (delta: 254.7 MB). Peak memory consumption was 431.4 MB. Max. memory is 11.5 GB. * Witness Printer took 45.89 ms. Allocated memory is still 1.3 GB. Free memory is still 822.2 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...