./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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_65207548-cda0-41ba-96d7-88ec98de2d60/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_65207548-cda0-41ba-96d7-88ec98de2d60/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_65207548-cda0-41ba-96d7-88ec98de2d60/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_65207548-cda0-41ba-96d7-88ec98de2d60/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_65207548-cda0-41ba-96d7-88ec98de2d60/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_65207548-cda0-41ba-96d7-88ec98de2d60/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-aa41828 [2018-11-23 14:05:26,639 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:05:26,640 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:05:26,646 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:05:26,646 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:05:26,646 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:05:26,647 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:05:26,648 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:05:26,649 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:05:26,650 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:05:26,650 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:05:26,651 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:05:26,651 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:05:26,652 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:05:26,652 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:05:26,653 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:05:26,653 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:05:26,654 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:05:26,655 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:05:26,656 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:05:26,657 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:05:26,657 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:05:26,658 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:05:26,658 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:05:26,658 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:05:26,659 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:05:26,659 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:05:26,660 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:05:26,660 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:05:26,661 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:05:26,661 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:05:26,662 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:05:26,662 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:05:26,662 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:05:26,663 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:05:26,663 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:05:26,663 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_65207548-cda0-41ba-96d7-88ec98de2d60/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 14:05:26,673 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:05:26,674 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:05:26,674 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:05:26,674 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 14:05:26,675 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:05:26,675 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:05:26,675 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:05:26,675 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:05:26,675 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:05:26,675 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:05:26,676 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:05:26,676 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:05:26,676 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:05:26,676 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:05:26,676 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:05:26,676 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:05:26,676 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:05:26,676 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:05:26,677 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 14:05:26,677 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 14:05:26,677 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:05:26,677 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:05:26,677 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 14:05:26,677 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:05:26,677 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:05:26,678 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:05:26,678 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 14:05:26,678 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:05:26,678 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:05:26,678 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_65207548-cda0-41ba-96d7-88ec98de2d60/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 129b0578c0c64625cef50fbcfd5d128651ff3275 [2018-11-23 14:05:26,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:05:26,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:05:26,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:05:26,713 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:05:26,714 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:05:26,714 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_65207548-cda0-41ba-96d7-88ec98de2d60/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_15_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-23 14:05:26,754 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65207548-cda0-41ba-96d7-88ec98de2d60/bin-2019/ukojak/data/43b4931b9/f511d67d5c8445d3aaaf9c839d99e936/FLAG61d18866e [2018-11-23 14:05:27,176 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:05:27,176 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_65207548-cda0-41ba-96d7-88ec98de2d60/sv-benchmarks/c/locks/test_locks_15_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-23 14:05:27,182 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65207548-cda0-41ba-96d7-88ec98de2d60/bin-2019/ukojak/data/43b4931b9/f511d67d5c8445d3aaaf9c839d99e936/FLAG61d18866e [2018-11-23 14:05:27,193 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_65207548-cda0-41ba-96d7-88ec98de2d60/bin-2019/ukojak/data/43b4931b9/f511d67d5c8445d3aaaf9c839d99e936 [2018-11-23 14:05:27,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:05:27,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:05:27,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:05:27,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:05:27,198 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:05:27,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:27" (1/1) ... [2018-11-23 14:05:27,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbeed0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:27, skipping insertion in model container [2018-11-23 14:05:27,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:27" (1/1) ... [2018-11-23 14:05:27,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:05:27,223 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:05:27,347 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:05:27,349 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:05:27,370 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:05:27,382 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:05:27,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:27 WrapperNode [2018-11-23 14:05:27,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:05:27,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:05:27,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:05:27,383 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:05:27,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:27" (1/1) ... [2018-11-23 14:05:27,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:27" (1/1) ... [2018-11-23 14:05:27,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:05:27,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:05:27,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:05:27,409 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:05:27,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:27" (1/1) ... [2018-11-23 14:05:27,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:27" (1/1) ... [2018-11-23 14:05:27,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:27" (1/1) ... [2018-11-23 14:05:27,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:27" (1/1) ... [2018-11-23 14:05:27,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:27" (1/1) ... [2018-11-23 14:05:27,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:27" (1/1) ... [2018-11-23 14:05:27,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:27" (1/1) ... [2018-11-23 14:05:27,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:05:27,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:05:27,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:05:27,463 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:05:27,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_65207548-cda0-41ba-96d7-88ec98de2d60/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 14:05:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:05:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:05:27,931 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:05:27,931 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 14:05:27,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:27 BoogieIcfgContainer [2018-11-23 14:05:27,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:05:27,932 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 14:05:27,932 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 14:05:27,938 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 14:05:27,938 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:27" (1/1) ... [2018-11-23 14:05:27,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:05:27,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:27,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2018-11-23 14:05:27,969 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2018-11-23 14:05:27,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 14:05:27,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:28,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:28,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:28,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2018-11-23 14:05:28,135 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2018-11-23 14:05:28,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 14:05:28,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:28,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:28,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:28,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2018-11-23 14:05:28,294 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2018-11-23 14:05:28,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 14:05:28,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:28,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:28,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:28,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2018-11-23 14:05:28,535 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2018-11-23 14:05:28,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 14:05:28,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:28,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:28,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2018-11-23 14:05:28,624 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2018-11-23 14:05:28,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 14:05:28,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:28,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:28,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2018-11-23 14:05:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2018-11-23 14:05:28,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 14:05:28,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:29,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:29,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2018-11-23 14:05:29,095 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2018-11-23 14:05:29,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 14:05:29,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:29,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:29,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:29,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2018-11-23 14:05:29,192 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2018-11-23 14:05:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 14:05:29,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:29,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:29,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:29,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2018-11-23 14:05:29,290 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2018-11-23 14:05:29,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 14:05:29,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:29,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:29,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2018-11-23 14:05:29,377 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2018-11-23 14:05:29,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 14:05:29,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:29,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:29,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:29,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2018-11-23 14:05:29,902 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2018-11-23 14:05:29,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 14:05:29,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:29,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:30,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:30,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2018-11-23 14:05:30,042 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2018-11-23 14:05:30,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 14:05:30,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:30,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:30,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:30,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2018-11-23 14:05:30,186 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2018-11-23 14:05:30,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 14:05:30,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:30,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:30,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:30,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2018-11-23 14:05:30,304 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2018-11-23 14:05:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 14:05:30,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:30,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:31,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2018-11-23 14:05:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2018-11-23 14:05:31,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 14:05:31,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:31,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:31,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2018-11-23 14:05:31,179 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2018-11-23 14:05:31,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 14:05:31,179 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:31,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:31,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:31,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 76 transitions. [2018-11-23 14:05:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2018-11-23 14:05:31,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 14:05:31,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:31,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:31,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:31,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-11-23 14:05:31,505 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-11-23 14:05:31,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 14:05:31,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:31,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:31,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:31,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2018-11-23 14:05:31,694 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2018-11-23 14:05:31,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 14:05:31,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:31,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:31,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:31,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2018-11-23 14:05:31,846 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2018-11-23 14:05:31,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 14:05:31,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:31,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:33,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:33,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2018-11-23 14:05:33,045 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2018-11-23 14:05:33,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 14:05:33,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:33,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:33,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 93 transitions. [2018-11-23 14:05:33,197 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2018-11-23 14:05:33,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 14:05:33,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:33,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2018-11-23 14:05:33,412 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2018-11-23 14:05:33,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 14:05:33,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:33,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:33,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2018-11-23 14:05:33,606 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2018-11-23 14:05:33,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 14:05:33,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:33,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:33,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2018-11-23 14:05:33,853 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2018-11-23 14:05:33,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 14:05:33,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:33,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:34,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:34,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2018-11-23 14:05:34,016 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2018-11-23 14:05:34,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 14:05:34,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:34,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:34,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:34,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2018-11-23 14:05:34,171 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2018-11-23 14:05:34,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 14:05:34,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:34,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:35,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:35,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 57 states and 98 transitions. [2018-11-23 14:05:35,667 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 98 transitions. [2018-11-23 14:05:35,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 14:05:35,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:35,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:35,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2018-11-23 14:05:35,857 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2018-11-23 14:05:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 14:05:35,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:35,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:36,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:36,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 80 transitions. [2018-11-23 14:05:36,092 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2018-11-23 14:05:36,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 14:05:36,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:36,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:36,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2018-11-23 14:05:36,331 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2018-11-23 14:05:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 14:05:36,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:36,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:36,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:36,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 80 transitions. [2018-11-23 14:05:36,552 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2018-11-23 14:05:36,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 14:05:36,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:36,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2018-11-23 14:05:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2018-11-23 14:05:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 14:05:36,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:36,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:36,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:36,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2018-11-23 14:05:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2018-11-23 14:05:36,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 14:05:36,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:37,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:38,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:38,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 103 transitions. [2018-11-23 14:05:38,981 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2018-11-23 14:05:38,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 14:05:38,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:38,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:39,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:39,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 60 states and 103 transitions. [2018-11-23 14:05:39,164 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 103 transitions. [2018-11-23 14:05:39,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 14:05:39,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:39,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:39,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:39,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2018-11-23 14:05:39,394 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2018-11-23 14:05:39,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 14:05:39,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:39,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:39,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2018-11-23 14:05:39,656 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2018-11-23 14:05:39,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 14:05:39,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:39,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:39,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2018-11-23 14:05:39,971 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2018-11-23 14:05:39,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 14:05:39,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:39,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:40,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:40,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2018-11-23 14:05:40,218 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2018-11-23 14:05:40,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 14:05:40,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:40,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:40,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:40,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2018-11-23 14:05:40,454 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2018-11-23 14:05:40,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 14:05:40,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:40,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:40,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 82 transitions. [2018-11-23 14:05:40,710 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2018-11-23 14:05:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 14:05:40,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:40,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:43,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 61 states and 108 transitions. [2018-11-23 14:05:43,516 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 108 transitions. [2018-11-23 14:05:43,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 14:05:43,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:43,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:43,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:43,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 62 states and 108 transitions. [2018-11-23 14:05:43,740 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2018-11-23 14:05:43,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 14:05:43,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:43,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:43,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:43,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 108 transitions. [2018-11-23 14:05:43,967 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2018-11-23 14:05:43,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 14:05:43,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:43,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:44,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:44,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2018-11-23 14:05:44,228 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2018-11-23 14:05:44,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 14:05:44,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:44,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:44,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:44,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 84 transitions. [2018-11-23 14:05:44,602 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2018-11-23 14:05:44,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 14:05:44,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:44,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:44,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2018-11-23 14:05:44,924 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2018-11-23 14:05:44,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 14:05:44,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:44,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:45,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:45,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2018-11-23 14:05:45,247 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2018-11-23 14:05:45,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 14:05:45,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:45,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:45,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 84 transitions. [2018-11-23 14:05:45,569 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 84 transitions. [2018-11-23 14:05:45,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 14:05:45,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:45,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:45,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:45,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 84 transitions. [2018-11-23 14:05:45,888 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 84 transitions. [2018-11-23 14:05:45,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 14:05:45,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:45,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:46,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 53 states and 84 transitions. [2018-11-23 14:05:46,151 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 84 transitions. [2018-11-23 14:05:46,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 14:05:46,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:46,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:49,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:49,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 64 states and 113 transitions. [2018-11-23 14:05:49,768 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 113 transitions. [2018-11-23 14:05:49,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 14:05:49,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:50,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:50,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 65 states and 113 transitions. [2018-11-23 14:05:50,052 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 113 transitions. [2018-11-23 14:05:50,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 14:05:50,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:50,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:50,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:50,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 66 states and 113 transitions. [2018-11-23 14:05:50,332 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 113 transitions. [2018-11-23 14:05:50,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 14:05:50,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:50,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:50,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:50,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2018-11-23 14:05:50,654 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2018-11-23 14:05:50,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 14:05:50,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:50,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:51,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:51,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2018-11-23 14:05:51,044 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2018-11-23 14:05:51,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:05:51,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:51,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:51,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 86 transitions. [2018-11-23 14:05:51,440 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2018-11-23 14:05:51,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:05:51,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:51,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:51,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:51,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2018-11-23 14:05:51,848 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2018-11-23 14:05:51,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:05:51,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:51,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:52,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:52,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 86 transitions. [2018-11-23 14:05:52,259 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2018-11-23 14:05:52,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:05:52,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:52,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:52,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:52,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 86 transitions. [2018-11-23 14:05:52,590 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 86 transitions. [2018-11-23 14:05:52,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:05:52,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:52,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:52,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 54 states and 86 transitions. [2018-11-23 14:05:52,898 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 86 transitions. [2018-11-23 14:05:52,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:05:52,898 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:57,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:57,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 66 states and 118 transitions. [2018-11-23 14:05:57,616 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 118 transitions. [2018-11-23 14:05:57,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:05:57,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:57,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:57,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:57,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 67 states and 118 transitions. [2018-11-23 14:05:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 118 transitions. [2018-11-23 14:05:57,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:05:57,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:57,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:58,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:58,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 68 states and 118 transitions. [2018-11-23 14:05:58,287 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 118 transitions. [2018-11-23 14:05:58,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:05:58,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:58,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:58,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:58,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 69 states and 118 transitions. [2018-11-23 14:05:58,635 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 118 transitions. [2018-11-23 14:05:58,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:05:58,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:58,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:59,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2018-11-23 14:05:59,023 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2018-11-23 14:05:59,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:05:59,023 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:59,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:59,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:59,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2018-11-23 14:05:59,474 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2018-11-23 14:05:59,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 14:05:59,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:59,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:05:59,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:05:59,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2018-11-23 14:05:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2018-11-23 14:05:59,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 14:05:59,948 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:05:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:05:59,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:00,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:00,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2018-11-23 14:06:00,410 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2018-11-23 14:06:00,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 14:06:00,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:00,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:00,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:00,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2018-11-23 14:06:00,828 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2018-11-23 14:06:00,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 14:06:00,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:00,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:01,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:01,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 54 states and 88 transitions. [2018-11-23 14:06:01,230 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 88 transitions. [2018-11-23 14:06:01,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 14:06:01,230 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:01,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:01,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 88 transitions. [2018-11-23 14:06:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2018-11-23 14:06:01,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 14:06:01,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:01,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:07,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 68 states and 123 transitions. [2018-11-23 14:06:07,552 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 123 transitions. [2018-11-23 14:06:07,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 14:06:07,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:07,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:07,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 69 states and 123 transitions. [2018-11-23 14:06:07,930 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 123 transitions. [2018-11-23 14:06:07,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 14:06:07,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:07,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:08,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:08,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 70 states and 123 transitions. [2018-11-23 14:06:08,308 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 123 transitions. [2018-11-23 14:06:08,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 14:06:08,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:08,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:08,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:08,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 123 transitions. [2018-11-23 14:06:08,708 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 123 transitions. [2018-11-23 14:06:08,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 14:06:08,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:08,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:09,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:09,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 72 states and 123 transitions. [2018-11-23 14:06:09,144 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2018-11-23 14:06:09,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 14:06:09,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:09,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:09,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 73 states and 123 transitions. [2018-11-23 14:06:09,612 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 123 transitions. [2018-11-23 14:06:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 14:06:09,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:09,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:10,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:10,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 90 transitions. [2018-11-23 14:06:10,177 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2018-11-23 14:06:10,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:06:10,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:10,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:10,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 90 transitions. [2018-11-23 14:06:10,734 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2018-11-23 14:06:10,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:06:10,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:11,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:11,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 53 states and 90 transitions. [2018-11-23 14:06:11,262 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 90 transitions. [2018-11-23 14:06:11,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:06:11,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:11,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:11,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:11,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 54 states and 90 transitions. [2018-11-23 14:06:11,755 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 90 transitions. [2018-11-23 14:06:11,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:06:11,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:11,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:12,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:12,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 55 states and 90 transitions. [2018-11-23 14:06:12,290 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 90 transitions. [2018-11-23 14:06:12,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:06:12,290 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:12,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:12,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:12,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 56 states and 90 transitions. [2018-11-23 14:06:12,762 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 90 transitions. [2018-11-23 14:06:12,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:06:12,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:13,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:13,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2018-11-23 14:06:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2018-11-23 14:06:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:06:13,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:13,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:20,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 71 states and 128 transitions. [2018-11-23 14:06:20,723 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 128 transitions. [2018-11-23 14:06:20,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:06:20,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:21,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:21,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 72 states and 128 transitions. [2018-11-23 14:06:21,197 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 128 transitions. [2018-11-23 14:06:21,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:06:21,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:21,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:21,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 73 states and 128 transitions. [2018-11-23 14:06:21,658 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 128 transitions. [2018-11-23 14:06:21,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:06:21,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:21,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:22,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 74 states and 128 transitions. [2018-11-23 14:06:22,139 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 128 transitions. [2018-11-23 14:06:22,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:06:22,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:22,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:22,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:22,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 75 states and 128 transitions. [2018-11-23 14:06:22,633 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 128 transitions. [2018-11-23 14:06:22,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:06:22,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:22,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:23,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:23,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 76 states and 128 transitions. [2018-11-23 14:06:23,183 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 128 transitions. [2018-11-23 14:06:23,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:06:23,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:23,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:23,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:23,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2018-11-23 14:06:23,854 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2018-11-23 14:06:23,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 14:06:23,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:23,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:24,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:24,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 92 transitions. [2018-11-23 14:06:24,490 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2018-11-23 14:06:24,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 14:06:24,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:24,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:25,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:25,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2018-11-23 14:06:25,103 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2018-11-23 14:06:25,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 14:06:25,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:25,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:25,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:25,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2018-11-23 14:06:25,680 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2018-11-23 14:06:25,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 14:06:25,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:25,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:26,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:26,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 56 states and 92 transitions. [2018-11-23 14:06:26,262 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2018-11-23 14:06:26,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 14:06:26,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:26,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:26,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:26,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 92 transitions. [2018-11-23 14:06:26,784 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2018-11-23 14:06:26,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 14:06:26,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:26,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:27,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:27,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2018-11-23 14:06:27,321 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2018-11-23 14:06:27,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 14:06:27,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:27,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:27,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:27,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 59 states and 92 transitions. [2018-11-23 14:06:27,807 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 92 transitions. [2018-11-23 14:06:27,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 14:06:27,807 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:28,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:37,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:37,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 74 states and 133 transitions. [2018-11-23 14:06:37,224 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 133 transitions. [2018-11-23 14:06:37,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 14:06:37,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:37,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:37,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:37,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 75 states and 133 transitions. [2018-11-23 14:06:37,753 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 133 transitions. [2018-11-23 14:06:37,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 14:06:37,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:37,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:38,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:38,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 76 states and 133 transitions. [2018-11-23 14:06:38,295 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 133 transitions. [2018-11-23 14:06:38,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 14:06:38,295 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:38,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:38,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 77 states and 133 transitions. [2018-11-23 14:06:38,868 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 133 transitions. [2018-11-23 14:06:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 14:06:38,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:38,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:39,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:39,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 78 states and 133 transitions. [2018-11-23 14:06:39,477 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2018-11-23 14:06:39,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 14:06:39,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:39,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:40,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:40,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 79 states and 133 transitions. [2018-11-23 14:06:40,124 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 133 transitions. [2018-11-23 14:06:40,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 14:06:40,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:40,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:40,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2018-11-23 14:06:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2018-11-23 14:06:40,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:06:40,898 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:40,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:41,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:41,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2018-11-23 14:06:41,656 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2018-11-23 14:06:41,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:06:41,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:41,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:42,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:42,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2018-11-23 14:06:42,377 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2018-11-23 14:06:42,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:06:42,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:43,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:43,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2018-11-23 14:06:43,054 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2018-11-23 14:06:43,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:06:43,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:43,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:43,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:43,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2018-11-23 14:06:43,716 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2018-11-23 14:06:43,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:06:43,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:44,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2018-11-23 14:06:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2018-11-23 14:06:44,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:06:44,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:44,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:44,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:44,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2018-11-23 14:06:44,952 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2018-11-23 14:06:44,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:06:44,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:44,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:45,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:45,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 60 states and 94 transitions. [2018-11-23 14:06:45,531 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 94 transitions. [2018-11-23 14:06:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:06:45,531 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:45,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:46,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:46,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 61 states and 94 transitions. [2018-11-23 14:06:46,103 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 94 transitions. [2018-11-23 14:06:46,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:06:46,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:46,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:46,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:46,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 62 states and 94 transitions. [2018-11-23 14:06:46,705 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 94 transitions. [2018-11-23 14:06:46,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:06:46,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:46,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:47,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:47,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 63 states and 94 transitions. [2018-11-23 14:06:47,319 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2018-11-23 14:06:47,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:06:47,319 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:47,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:48,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:48,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 64 states and 94 transitions. [2018-11-23 14:06:48,007 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2018-11-23 14:06:48,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:06:48,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:48,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:48,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:48,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 65 states and 94 transitions. [2018-11-23 14:06:48,678 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 94 transitions. [2018-11-23 14:06:48,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:06:48,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:48,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:49,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:49,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2018-11-23 14:06:49,415 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2018-11-23 14:06:49,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:06:49,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:49,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:50,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 36 states and 51 transitions. [2018-11-23 14:06:50,245 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2018-11-23 14:06:50,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:06:50,245 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 121 iterations. [2018-11-23 14:06:50,253 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 14:06:50,716 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:06:50,718 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:06:50,718 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:06:50,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:06:50 ImpRootNode [2018-11-23 14:06:50,719 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 14:06:50,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:06:50,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:06:50,719 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:06:50,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:27" (3/4) ... [2018-11-23 14:06:50,722 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:06:50,730 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-23 14:06:50,730 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 14:06:50,730 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:06:50,777 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_65207548-cda0-41ba-96d7-88ec98de2d60/bin-2019/ukojak/witness.graphml [2018-11-23 14:06:50,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:06:50,778 INFO L168 Benchmark]: Toolchain (without parser) took 83582.83 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 961.9 MB in the beginning and 997.9 MB in the end (delta: -36.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 14:06:50,779 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:06:50,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.37 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 945.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 14:06:50,779 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.77 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:06:50,779 INFO L168 Benchmark]: Boogie Preprocessor took 54.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-23 14:06:50,780 INFO L168 Benchmark]: RCFGBuilder took 468.31 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:06:50,780 INFO L168 Benchmark]: CodeCheck took 82786.99 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-23 14:06:50,780 INFO L168 Benchmark]: Witness Printer took 58.35 ms. Allocated memory is still 2.2 GB. Free memory was 1.0 GB in the beginning and 997.9 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:06:50,782 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, 82.2s 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, 66.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20706 GetRequests, 19806 SyntacticMatches, 0 SemanticMatches, 900 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403324 ImplicationChecksByTransitivity, 79.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.37 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 945.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.77 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 468.31 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * CodeCheck took 82786.99 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 58.35 ms. Allocated memory is still 2.2 GB. Free memory was 1.0 GB in the beginning and 997.9 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...