./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_489d4b4c-fe97-4a2e-858d-037d182fef01/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_489d4b4c-fe97-4a2e-858d-037d182fef01/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_489d4b4c-fe97-4a2e-858d-037d182fef01/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_489d4b4c-fe97-4a2e-858d-037d182fef01/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_489d4b4c-fe97-4a2e-858d-037d182fef01/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_489d4b4c-fe97-4a2e-858d-037d182fef01/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ac99a20a7aff68d4303ed37ca9ad8305a1f8cf0d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:17:05,390 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:17:05,392 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:17:05,401 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:17:05,402 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:17:05,403 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:17:05,404 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:17:05,405 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:17:05,406 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:17:05,407 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:17:05,407 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:17:05,408 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:17:05,408 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:17:05,409 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:17:05,410 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:17:05,411 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:17:05,412 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:17:05,413 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:17:05,415 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:17:05,416 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:17:05,417 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:17:05,418 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:17:05,420 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:17:05,420 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:17:05,420 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:17:05,421 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:17:05,422 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:17:05,423 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:17:05,423 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:17:05,424 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:17:05,424 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:17:05,425 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:17:05,425 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:17:05,426 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:17:05,427 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:17:05,427 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:17:05,428 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_489d4b4c-fe97-4a2e-858d-037d182fef01/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-10-27 05:17:05,439 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:17:05,440 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:17:05,440 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:17:05,441 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:17:05,441 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:17:05,441 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:17:05,442 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:17:05,442 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:17:05,442 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:17:05,443 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:17:05,443 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:17:05,443 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:17:05,443 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:17:05,443 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:17:05,443 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:17:05,443 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:17:05,444 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 05:17:05,444 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 05:17:05,444 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:17:05,444 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:17:05,444 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 05:17:05,444 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:17:05,445 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:17:05,445 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:17:05,445 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 05:17:05,445 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:17:05,445 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:17:05,447 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_489d4b4c-fe97-4a2e-858d-037d182fef01/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac99a20a7aff68d4303ed37ca9ad8305a1f8cf0d [2018-10-27 05:17:05,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:17:05,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:17:05,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:17:05,488 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:17:05,489 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:17:05,489 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_489d4b4c-fe97-4a2e-858d-037d182fef01/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop_true-termination_true-no-overflow.c [2018-10-27 05:17:05,546 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_489d4b4c-fe97-4a2e-858d-037d182fef01/bin-2019/ukojak/data/0fa814248/b2189a43334f437296b19169561e2dd7/FLAG62648fce8 [2018-10-27 05:17:05,946 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:17:05,946 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_489d4b4c-fe97-4a2e-858d-037d182fef01/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop_true-termination_true-no-overflow.c [2018-10-27 05:17:05,952 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_489d4b4c-fe97-4a2e-858d-037d182fef01/bin-2019/ukojak/data/0fa814248/b2189a43334f437296b19169561e2dd7/FLAG62648fce8 [2018-10-27 05:17:05,964 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_489d4b4c-fe97-4a2e-858d-037d182fef01/bin-2019/ukojak/data/0fa814248/b2189a43334f437296b19169561e2dd7 [2018-10-27 05:17:05,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:17:05,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:17:05,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:17:05,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:17:05,972 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:17:05,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:17:05" (1/1) ... [2018-10-27 05:17:05,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f99b56a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:05, skipping insertion in model container [2018-10-27 05:17:05,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:17:05" (1/1) ... [2018-10-27 05:17:05,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:17:06,000 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:17:06,150 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:17:06,153 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:17:06,169 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:17:06,180 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:17:06,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:06 WrapperNode [2018-10-27 05:17:06,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:17:06,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:17:06,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:17:06,183 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:17:06,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:06" (1/1) ... [2018-10-27 05:17:06,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:06" (1/1) ... [2018-10-27 05:17:06,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:17:06,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:17:06,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:17:06,213 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:17:06,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:06" (1/1) ... [2018-10-27 05:17:06,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:06" (1/1) ... [2018-10-27 05:17:06,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:06" (1/1) ... [2018-10-27 05:17:06,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:06" (1/1) ... [2018-10-27 05:17:06,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:06" (1/1) ... [2018-10-27 05:17:06,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:06" (1/1) ... [2018-10-27 05:17:06,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:06" (1/1) ... [2018-10-27 05:17:06,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:17:06,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:17:06,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:17:06,231 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:17:06,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_489d4b4c-fe97-4a2e-858d-037d182fef01/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 [2018-10-27 05:17:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:17:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:17:06,697 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:17:06,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:17:06 BoogieIcfgContainer [2018-10-27 05:17:06,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:17:06,698 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 05:17:06,698 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 05:17:06,708 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 05:17:06,708 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:17:06" (1/1) ... [2018-10-27 05:17:06,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:17:06,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:06,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2018-10-27 05:17:06,748 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2018-10-27 05:17:06,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 05:17:06,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:06,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:06,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:06,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2018-10-27 05:17:06,846 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2018-10-27 05:17:06,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-27 05:17:06,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:06,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:06,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:06,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2018-10-27 05:17:06,979 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2018-10-27 05:17:06,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-27 05:17:06,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:07,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:07,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2018-10-27 05:17:07,244 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2018-10-27 05:17:07,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 05:17:07,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:07,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 41 states and 56 transitions. [2018-10-27 05:17:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2018-10-27 05:17:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 05:17:07,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:07,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:08,091 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-10-27 05:17:08,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:08,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2018-10-27 05:17:08,203 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2018-10-27 05:17:08,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:17:08,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:08,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:08,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:08,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2018-10-27 05:17:08,650 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2018-10-27 05:17:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 05:17:08,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:08,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:09,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 62 states and 98 transitions. [2018-10-27 05:17:09,169 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 98 transitions. [2018-10-27 05:17:09,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 05:17:09,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:09,260 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 05:17:10,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 73 states and 124 transitions. [2018-10-27 05:17:10,035 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 124 transitions. [2018-10-27 05:17:10,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 05:17:10,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:10,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 05:17:10,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:10,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 75 states and 127 transitions. [2018-10-27 05:17:10,152 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 127 transitions. [2018-10-27 05:17:10,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 05:17:10,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:10,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 78 states and 132 transitions. [2018-10-27 05:17:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 132 transitions. [2018-10-27 05:17:10,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-27 05:17:10,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:10,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 05:17:10,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:10,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 80 states and 135 transitions. [2018-10-27 05:17:10,495 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 135 transitions. [2018-10-27 05:17:10,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-27 05:17:10,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:10,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:11,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:11,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2018-10-27 05:17:11,353 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2018-10-27 05:17:11,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 05:17:11,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:11,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 05:17:11,666 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-27 05:17:12,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:12,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 94 states and 163 transitions. [2018-10-27 05:17:12,975 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 163 transitions. [2018-10-27 05:17:12,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 05:17:12,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:13,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 05:17:14,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:14,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 108 states and 204 transitions. [2018-10-27 05:17:14,300 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 204 transitions. [2018-10-27 05:17:14,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 05:17:14,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 05:17:14,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:14,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 110 states and 210 transitions. [2018-10-27 05:17:14,463 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 210 transitions. [2018-10-27 05:17:14,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 05:17:14,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:14,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 05:17:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:15,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 117 states and 220 transitions. [2018-10-27 05:17:15,559 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 220 transitions. [2018-10-27 05:17:15,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 05:17:15,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:15,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:16,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:16,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 121 states and 228 transitions. [2018-10-27 05:17:16,170 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 228 transitions. [2018-10-27 05:17:16,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 05:17:16,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:16,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 05:17:16,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:16,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 127 states and 242 transitions. [2018-10-27 05:17:16,879 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 242 transitions. [2018-10-27 05:17:16,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 05:17:16,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:16,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:17,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:17,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 132 states and 250 transitions. [2018-10-27 05:17:17,959 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 250 transitions. [2018-10-27 05:17:17,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 05:17:17,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:18,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:18,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:18,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 138 states and 259 transitions. [2018-10-27 05:17:18,658 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 259 transitions. [2018-10-27 05:17:18,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 05:17:18,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:18,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:19,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:19,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 142 states and 266 transitions. [2018-10-27 05:17:19,425 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 266 transitions. [2018-10-27 05:17:19,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 05:17:19,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:19,434 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 05:17:19,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:19,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 145 states and 277 transitions. [2018-10-27 05:17:19,822 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 277 transitions. [2018-10-27 05:17:19,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 05:17:19,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:19,829 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:20,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:20,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 147 states and 284 transitions. [2018-10-27 05:17:20,578 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 284 transitions. [2018-10-27 05:17:20,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 05:17:20,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 05:17:21,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 149 states and 286 transitions. [2018-10-27 05:17:21,100 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 286 transitions. [2018-10-27 05:17:21,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-27 05:17:21,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:21,111 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:22,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:22,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 154 states and 301 transitions. [2018-10-27 05:17:22,039 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 301 transitions. [2018-10-27 05:17:22,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-27 05:17:22,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:22,152 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:22,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:22,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 160 states and 318 transitions. [2018-10-27 05:17:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 318 transitions. [2018-10-27 05:17:22,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 05:17:22,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:22,873 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-27 05:17:23,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:23,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 161 states and 321 transitions. [2018-10-27 05:17:23,616 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 321 transitions. [2018-10-27 05:17:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 05:17:23,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 05:17:24,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:24,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 167 states and 328 transitions. [2018-10-27 05:17:24,276 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 328 transitions. [2018-10-27 05:17:24,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 05:17:24,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:24,468 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:25,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 173 states and 337 transitions. [2018-10-27 05:17:25,553 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 337 transitions. [2018-10-27 05:17:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 05:17:25,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 05:17:26,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:26,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 182 states and 352 transitions. [2018-10-27 05:17:26,987 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 352 transitions. [2018-10-27 05:17:26,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 05:17:26,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:26,997 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 05:17:27,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:27,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 183 states and 357 transitions. [2018-10-27 05:17:27,812 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 357 transitions. [2018-10-27 05:17:27,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 05:17:27,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:27,950 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:29,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:29,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 189 states and 368 transitions. [2018-10-27 05:17:29,047 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 368 transitions. [2018-10-27 05:17:29,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 05:17:29,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:29,057 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 05:17:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:29,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 191 states and 370 transitions. [2018-10-27 05:17:29,355 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 370 transitions. [2018-10-27 05:17:29,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 05:17:29,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:29,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:29,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:29,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 194 states and 374 transitions. [2018-10-27 05:17:29,644 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 374 transitions. [2018-10-27 05:17:29,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 05:17:29,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:29,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 195 states and 375 transitions. [2018-10-27 05:17:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 375 transitions. [2018-10-27 05:17:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 05:17:31,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:31,230 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 05:17:31,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 198 states and 382 transitions. [2018-10-27 05:17:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 382 transitions. [2018-10-27 05:17:31,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 05:17:31,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:31,636 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 05:17:32,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:32,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 199 states and 384 transitions. [2018-10-27 05:17:32,192 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 384 transitions. [2018-10-27 05:17:32,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 05:17:32,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:32,202 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 05:17:32,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:32,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 201 states and 386 transitions. [2018-10-27 05:17:32,713 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 386 transitions. [2018-10-27 05:17:32,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 05:17:32,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:32,721 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-27 05:17:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:32,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 202 states and 389 transitions. [2018-10-27 05:17:32,999 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 389 transitions. [2018-10-27 05:17:32,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 05:17:32,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:33,008 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:34,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:34,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 207 states and 400 transitions. [2018-10-27 05:17:34,006 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 400 transitions. [2018-10-27 05:17:34,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 05:17:34,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:34,016 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:34,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:34,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 208 states and 403 transitions. [2018-10-27 05:17:34,660 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 403 transitions. [2018-10-27 05:17:34,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 05:17:34,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:34,810 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 05:17:36,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:36,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 215 states and 412 transitions. [2018-10-27 05:17:36,241 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 412 transitions. [2018-10-27 05:17:36,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 05:17:36,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:36,338 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:37,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 220 states and 425 transitions. [2018-10-27 05:17:37,180 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 425 transitions. [2018-10-27 05:17:37,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 05:17:37,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:37,194 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 05:17:37,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:37,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 223 states and 430 transitions. [2018-10-27 05:17:37,511 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 430 transitions. [2018-10-27 05:17:37,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 05:17:37,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:38,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:38,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 226 states and 436 transitions. [2018-10-27 05:17:38,324 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 436 transitions. [2018-10-27 05:17:38,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 05:17:38,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:38,335 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 05:17:38,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:38,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 227 states and 439 transitions. [2018-10-27 05:17:38,677 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 439 transitions. [2018-10-27 05:17:38,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 05:17:38,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 05:17:39,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 227 states and 437 transitions. [2018-10-27 05:17:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 437 transitions. [2018-10-27 05:17:39,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 05:17:39,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 05:17:40,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:40,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 234 states and 454 transitions. [2018-10-27 05:17:40,538 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 454 transitions. [2018-10-27 05:17:40,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 05:17:40,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:40,547 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-27 05:17:41,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:41,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 239 states and 463 transitions. [2018-10-27 05:17:41,750 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 463 transitions. [2018-10-27 05:17:41,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 05:17:41,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:41,758 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-27 05:17:42,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:42,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 240 states and 464 transitions. [2018-10-27 05:17:42,246 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 464 transitions. [2018-10-27 05:17:42,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 05:17:42,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-27 05:17:43,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:43,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 242 states and 472 transitions. [2018-10-27 05:17:43,050 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 472 transitions. [2018-10-27 05:17:43,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 05:17:43,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:43,057 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-27 05:17:43,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:43,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 243 states and 473 transitions. [2018-10-27 05:17:43,394 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 473 transitions. [2018-10-27 05:17:43,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 05:17:43,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:43,402 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 05:17:44,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:44,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 243 states and 472 transitions. [2018-10-27 05:17:44,033 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 472 transitions. [2018-10-27 05:17:44,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 05:17:44,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:44,041 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 05:17:45,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:45,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 243 states and 471 transitions. [2018-10-27 05:17:45,034 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 471 transitions. [2018-10-27 05:17:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 05:17:45,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-27 05:17:45,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:45,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 245 states and 472 transitions. [2018-10-27 05:17:45,705 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 472 transitions. [2018-10-27 05:17:45,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 05:17:45,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 05:17:47,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 252 states and 492 transitions. [2018-10-27 05:17:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 492 transitions. [2018-10-27 05:17:47,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 05:17:47,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:47,543 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 05:17:48,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:48,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 258 states and 503 transitions. [2018-10-27 05:17:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 503 transitions. [2018-10-27 05:17:48,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 05:17:48,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:49,270 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 05:17:51,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:51,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 267 states and 541 transitions. [2018-10-27 05:17:51,090 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 541 transitions. [2018-10-27 05:17:51,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 05:17:51,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:51,097 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 05:17:51,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:51,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 269 states and 547 transitions. [2018-10-27 05:17:51,453 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 547 transitions. [2018-10-27 05:17:51,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 05:17:51,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:51,461 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 05:17:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 269 states and 546 transitions. [2018-10-27 05:17:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 546 transitions. [2018-10-27 05:17:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 05:17:52,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:52,448 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 05:17:52,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:52,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 266 states and 539 transitions. [2018-10-27 05:17:52,881 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 539 transitions. [2018-10-27 05:17:52,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 05:17:52,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 05:17:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 266 states and 538 transitions. [2018-10-27 05:17:53,659 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 538 transitions. [2018-10-27 05:17:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 05:17:53,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:53,667 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 05:17:54,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:54,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 269 states and 543 transitions. [2018-10-27 05:17:54,190 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 543 transitions. [2018-10-27 05:17:54,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:17:54,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:54,198 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 05:17:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 270 states and 543 transitions. [2018-10-27 05:17:54,612 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 543 transitions. [2018-10-27 05:17:54,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:17:54,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:54,618 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 05:17:55,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:55,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 271 states and 544 transitions. [2018-10-27 05:17:55,022 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 544 transitions. [2018-10-27 05:17:55,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:17:55,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:55,027 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-27 05:17:56,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:56,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 277 states and 556 transitions. [2018-10-27 05:17:56,032 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 556 transitions. [2018-10-27 05:17:56,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:17:56,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:56,039 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-27 05:17:56,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:56,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 281 states and 562 transitions. [2018-10-27 05:17:56,750 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 562 transitions. [2018-10-27 05:17:56,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:17:56,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:56,756 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-27 05:17:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:57,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 283 states and 566 transitions. [2018-10-27 05:17:57,246 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 566 transitions. [2018-10-27 05:17:57,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:17:57,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:57,253 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-27 05:17:57,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:57,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 285 states and 570 transitions. [2018-10-27 05:17:57,677 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 570 transitions. [2018-10-27 05:17:57,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:17:57,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:57,684 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 05:17:58,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:58,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 285 states and 569 transitions. [2018-10-27 05:17:58,129 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 569 transitions. [2018-10-27 05:17:58,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:17:58,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 05:17:58,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:58,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 289 states and 579 transitions. [2018-10-27 05:17:58,907 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 579 transitions. [2018-10-27 05:17:58,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:17:58,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 05:17:59,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:59,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 291 states and 583 transitions. [2018-10-27 05:17:59,350 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 583 transitions. [2018-10-27 05:17:59,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:17:59,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:59,359 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 05:18:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 300 states and 597 transitions. [2018-10-27 05:18:01,619 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 597 transitions. [2018-10-27 05:18:01,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:18:01,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:01,624 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 05:18:02,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:02,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 303 states and 606 transitions. [2018-10-27 05:18:02,126 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 606 transitions. [2018-10-27 05:18:02,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:18:02,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:02,131 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-27 05:18:02,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:02,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 303 states and 604 transitions. [2018-10-27 05:18:02,800 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 604 transitions. [2018-10-27 05:18:02,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:18:02,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 05:18:03,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:03,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 304 states and 604 transitions. [2018-10-27 05:18:03,237 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 604 transitions. [2018-10-27 05:18:03,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:18:03,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:03,242 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-27 05:18:04,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:04,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 304 states and 603 transitions. [2018-10-27 05:18:04,158 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 603 transitions. [2018-10-27 05:18:04,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:18:04,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 05:18:04,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:04,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 305 states and 607 transitions. [2018-10-27 05:18:04,639 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 607 transitions. [2018-10-27 05:18:04,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:18:04,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:04,645 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-27 05:18:05,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:05,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 307 states and 609 transitions. [2018-10-27 05:18:05,276 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 609 transitions. [2018-10-27 05:18:05,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 05:18:05,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:05,280 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-27 05:18:05,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:05,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 310 states and 615 transitions. [2018-10-27 05:18:05,862 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 615 transitions. [2018-10-27 05:18:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-27 05:18:05,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:05,866 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 05:18:06,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:06,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 312 states and 617 transitions. [2018-10-27 05:18:06,722 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 617 transitions. [2018-10-27 05:18:06,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-27 05:18:06,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:06,729 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 05:18:08,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:08,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 317 states and 629 transitions. [2018-10-27 05:18:08,747 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 629 transitions. [2018-10-27 05:18:08,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-27 05:18:08,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:08,752 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 05:18:09,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:09,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 319 states and 633 transitions. [2018-10-27 05:18:09,200 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 633 transitions. [2018-10-27 05:18:09,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-27 05:18:09,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:09,206 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 05:18:09,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:09,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 319 states and 632 transitions. [2018-10-27 05:18:09,515 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 632 transitions. [2018-10-27 05:18:09,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-27 05:18:09,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:09,522 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 05:18:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:10,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 321 states and 635 transitions. [2018-10-27 05:18:10,425 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 635 transitions. [2018-10-27 05:18:10,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-27 05:18:10,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:10,435 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-27 05:18:10,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:10,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 323 states and 638 transitions. [2018-10-27 05:18:10,703 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 638 transitions. [2018-10-27 05:18:10,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-27 05:18:10,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:10,712 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-27 05:18:11,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:11,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 326 states and 641 transitions. [2018-10-27 05:18:11,257 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 641 transitions. [2018-10-27 05:18:11,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:11,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:11,263 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 05:18:13,762 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-27 05:18:14,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:14,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 328 states and 643 transitions. [2018-10-27 05:18:14,273 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 643 transitions. [2018-10-27 05:18:14,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:14,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 05:18:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:16,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 335 states and 657 transitions. [2018-10-27 05:18:16,476 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 657 transitions. [2018-10-27 05:18:16,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:16,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:16,482 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 05:18:17,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:17,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 336 states and 659 transitions. [2018-10-27 05:18:17,086 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 659 transitions. [2018-10-27 05:18:17,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:17,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:17,096 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 05:18:17,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:17,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 338 states and 661 transitions. [2018-10-27 05:18:17,970 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 661 transitions. [2018-10-27 05:18:17,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:17,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:17,975 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 05:18:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:18,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 339 states and 662 transitions. [2018-10-27 05:18:18,429 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 662 transitions. [2018-10-27 05:18:18,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:18,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:18,435 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 05:18:18,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:18,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 340 states and 663 transitions. [2018-10-27 05:18:18,952 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 663 transitions. [2018-10-27 05:18:18,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:18,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:18,956 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 05:18:19,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:19,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 342 states and 665 transitions. [2018-10-27 05:18:19,424 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 665 transitions. [2018-10-27 05:18:19,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:19,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 05:18:19,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 346 states and 669 transitions. [2018-10-27 05:18:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 669 transitions. [2018-10-27 05:18:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:19,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:19,885 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-27 05:18:20,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:20,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 347 states and 671 transitions. [2018-10-27 05:18:20,408 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 671 transitions. [2018-10-27 05:18:20,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:20,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:20,417 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-27 05:18:21,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:21,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 348 states and 672 transitions. [2018-10-27 05:18:21,140 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 672 transitions. [2018-10-27 05:18:21,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:21,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:21,150 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-27 05:18:22,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:22,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 352 states and 681 transitions. [2018-10-27 05:18:22,129 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 681 transitions. [2018-10-27 05:18:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:22,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:22,134 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 05:18:22,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:22,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 352 states and 679 transitions. [2018-10-27 05:18:22,685 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 679 transitions. [2018-10-27 05:18:22,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:22,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-27 05:18:23,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:23,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 354 states and 686 transitions. [2018-10-27 05:18:23,767 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 686 transitions. [2018-10-27 05:18:23,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:23,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:23,771 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-27 05:18:24,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:24,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 356 states and 689 transitions. [2018-10-27 05:18:24,251 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 689 transitions. [2018-10-27 05:18:24,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:24,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:24,257 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 05:18:25,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:25,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 360 states and 698 transitions. [2018-10-27 05:18:25,320 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 698 transitions. [2018-10-27 05:18:25,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:25,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 05:18:25,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:25,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 362 states and 703 transitions. [2018-10-27 05:18:25,839 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 703 transitions. [2018-10-27 05:18:25,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:25,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:25,844 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 05:18:26,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:26,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 363 states and 703 transitions. [2018-10-27 05:18:26,364 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 703 transitions. [2018-10-27 05:18:26,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:26,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 05:18:27,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:27,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 367 states and 710 transitions. [2018-10-27 05:18:27,348 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 710 transitions. [2018-10-27 05:18:27,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 05:18:27,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:27,352 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 05:18:28,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 369 states and 712 transitions. [2018-10-27 05:18:28,272 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 712 transitions. [2018-10-27 05:18:28,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-27 05:18:28,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:28,277 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 05:18:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:28,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 370 states and 714 transitions. [2018-10-27 05:18:28,774 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 714 transitions. [2018-10-27 05:18:28,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-27 05:18:28,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:28,779 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 05:18:32,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:32,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 378 states and 727 transitions. [2018-10-27 05:18:32,088 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 727 transitions. [2018-10-27 05:18:32,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-27 05:18:32,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:32,093 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 05:18:33,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:33,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 381 states and 734 transitions. [2018-10-27 05:18:33,120 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 734 transitions. [2018-10-27 05:18:33,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-27 05:18:33,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:33,125 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 05:18:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:33,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 383 states and 738 transitions. [2018-10-27 05:18:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 738 transitions. [2018-10-27 05:18:33,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-27 05:18:33,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:33,418 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 05:18:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 386 states and 741 transitions. [2018-10-27 05:18:34,046 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 741 transitions. [2018-10-27 05:18:34,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-27 05:18:34,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:34,050 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 05:18:35,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:35,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 390 states and 746 transitions. [2018-10-27 05:18:35,063 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 746 transitions. [2018-10-27 05:18:35,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-27 05:18:35,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 05:18:37,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:37,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 397 states and 762 transitions. [2018-10-27 05:18:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 762 transitions. [2018-10-27 05:18:37,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-27 05:18:37,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:37,241 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 05:18:38,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:38,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 401 states and 769 transitions. [2018-10-27 05:18:38,476 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 769 transitions. [2018-10-27 05:18:38,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-27 05:18:38,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-27 05:18:39,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:39,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 405 states and 777 transitions. [2018-10-27 05:18:39,524 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 777 transitions. [2018-10-27 05:18:39,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-27 05:18:39,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-27 05:18:40,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:40,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 406 states and 777 transitions. [2018-10-27 05:18:40,037 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 777 transitions. [2018-10-27 05:18:40,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-27 05:18:40,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:40,043 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-27 05:18:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:40,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 408 states and 779 transitions. [2018-10-27 05:18:40,622 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 779 transitions. [2018-10-27 05:18:40,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-27 05:18:40,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:40,628 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-27 05:18:41,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:41,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 410 states and 782 transitions. [2018-10-27 05:18:41,162 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 782 transitions. [2018-10-27 05:18:41,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-27 05:18:41,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-27 05:18:41,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:41,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 411 states and 782 transitions. [2018-10-27 05:18:41,642 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 782 transitions. [2018-10-27 05:18:41,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-27 05:18:41,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-27 05:18:42,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:42,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 413 states and 788 transitions. [2018-10-27 05:18:42,629 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 788 transitions. [2018-10-27 05:18:42,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-27 05:18:42,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:42,634 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-27 05:18:43,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:43,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 415 states and 792 transitions. [2018-10-27 05:18:43,254 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 792 transitions. [2018-10-27 05:18:43,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-27 05:18:43,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:43,259 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-27 05:18:44,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:44,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 419 states and 799 transitions. [2018-10-27 05:18:44,425 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 799 transitions. [2018-10-27 05:18:44,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-27 05:18:44,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-27 05:18:44,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:44,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 421 states and 801 transitions. [2018-10-27 05:18:44,471 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 801 transitions. [2018-10-27 05:18:44,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-27 05:18:44,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:44,479 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-27 05:18:45,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:45,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 424 states and 805 transitions. [2018-10-27 05:18:45,203 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 805 transitions. [2018-10-27 05:18:45,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-27 05:18:45,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-27 05:18:45,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:45,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 423 states and 801 transitions. [2018-10-27 05:18:45,784 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 801 transitions. [2018-10-27 05:18:45,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-27 05:18:45,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-27 05:18:47,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:47,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 425 states and 803 transitions. [2018-10-27 05:18:47,274 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 803 transitions. [2018-10-27 05:18:47,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-27 05:18:47,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:47,280 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 05:18:47,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:47,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 426 states and 803 transitions. [2018-10-27 05:18:47,805 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 803 transitions. [2018-10-27 05:18:47,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-27 05:18:47,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:47,810 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 05:18:48,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:48,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 428 states and 804 transitions. [2018-10-27 05:18:48,547 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 804 transitions. [2018-10-27 05:18:48,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:18:48,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:48,553 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 05:18:49,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:49,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 429 states and 808 transitions. [2018-10-27 05:18:49,324 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 808 transitions. [2018-10-27 05:18:49,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:18:49,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:49,328 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 05:18:49,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 430 states and 809 transitions. [2018-10-27 05:18:49,912 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 809 transitions. [2018-10-27 05:18:49,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:18:49,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 05:18:50,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 431 states and 810 transitions. [2018-10-27 05:18:50,517 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 810 transitions. [2018-10-27 05:18:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:18:50,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:50,521 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 05:18:51,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:51,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 433 states and 812 transitions. [2018-10-27 05:18:51,309 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 812 transitions. [2018-10-27 05:18:51,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:18:51,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:51,313 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 05:18:51,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 435 states and 816 transitions. [2018-10-27 05:18:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 816 transitions. [2018-10-27 05:18:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:18:51,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:51,908 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 05:18:53,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:53,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 441 states and 827 transitions. [2018-10-27 05:18:53,278 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 827 transitions. [2018-10-27 05:18:53,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:18:53,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 05:18:54,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 444 states and 836 transitions. [2018-10-27 05:18:54,149 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 836 transitions. [2018-10-27 05:18:54,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:18:54,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:54,154 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 05:18:56,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:56,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 448 states and 846 transitions. [2018-10-27 05:18:56,073 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 846 transitions. [2018-10-27 05:18:56,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:18:56,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:56,077 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 05:18:56,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:56,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 451 states and 851 transitions. [2018-10-27 05:18:56,717 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 851 transitions. [2018-10-27 05:18:56,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:18:56,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-27 05:18:57,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:57,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 453 states and 852 transitions. [2018-10-27 05:18:57,668 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 852 transitions. [2018-10-27 05:18:57,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:18:57,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:57,674 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 05:18:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:58,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 454 states and 853 transitions. [2018-10-27 05:18:58,345 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 853 transitions. [2018-10-27 05:18:58,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:18:58,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-27 05:18:59,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:18:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 458 states and 859 transitions. [2018-10-27 05:18:59,947 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 859 transitions. [2018-10-27 05:18:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:18:59,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:18:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:18:59,952 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-27 05:19:00,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:19:00,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 459 states and 859 transitions. [2018-10-27 05:19:00,545 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 859 transitions. [2018-10-27 05:19:00,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:19:00,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:19:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:19:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-27 05:19:01,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:19:01,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 462 states and 862 transitions. [2018-10-27 05:19:01,664 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 862 transitions. [2018-10-27 05:19:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:19:01,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:19:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:19:01,671 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 05:19:02,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:19:02,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 463 states and 862 transitions. [2018-10-27 05:19:02,313 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 862 transitions. [2018-10-27 05:19:02,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:19:02,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:19:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:19:02,317 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-27 05:19:02,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:19:02,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 465 states and 863 transitions. [2018-10-27 05:19:02,913 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 863 transitions. [2018-10-27 05:19:02,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 05:19:02,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:19:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:19:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 05:19:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:19:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 470 states and 869 transitions. [2018-10-27 05:19:05,323 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 869 transitions. [2018-10-27 05:19:05,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-27 05:19:05,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:19:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:19:05,329 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-27 05:19:06,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:19:06,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 475 states and 873 transitions. [2018-10-27 05:19:06,751 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 873 transitions. [2018-10-27 05:19:06,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-27 05:19:06,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:19:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:19:06,756 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-27 05:19:07,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:19:07,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 477 states and 874 transitions. [2018-10-27 05:19:07,375 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 874 transitions. [2018-10-27 05:19:07,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-27 05:19:07,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:19:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:19:07,381 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-27 05:19:07,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:19:07,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 478 states and 874 transitions. [2018-10-27 05:19:07,974 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 874 transitions. [2018-10-27 05:19:07,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-27 05:19:07,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:19:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:19:07,981 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-27 05:19:08,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:19:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 480 states and 875 transitions. [2018-10-27 05:19:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 875 transitions. [2018-10-27 05:19:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-27 05:19:08,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:19:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:19:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-10-27 05:19:09,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:19:09,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 482 states and 876 transitions. [2018-10-27 05:19:09,367 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 876 transitions. [2018-10-27 05:19:09,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-27 05:19:09,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:19:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:19:09,372 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-27 05:19:10,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:19:10,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 486 states and 883 transitions. [2018-10-27 05:19:10,788 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 883 transitions. [2018-10-27 05:19:10,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-27 05:19:10,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:19:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:19:10,793 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-27 05:19:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:19:11,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 488 states and 885 transitions. [2018-10-27 05:19:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 885 transitions. [2018-10-27 05:19:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-27 05:19:11,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:19:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:19:11,528 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-27 05:19:12,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:19:12,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 491 states and 889 transitions. [2018-10-27 05:19:12,345 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 889 transitions. [2018-10-27 05:19:12,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-27 05:19:12,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:19:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:19:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-27 05:19:13,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:19:13,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 495 states and 893 transitions. [2018-10-27 05:19:13,658 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 893 transitions. [2018-10-27 05:19:13,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-27 05:19:13,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:19:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:19:13,663 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-27 05:19:14,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:19:14,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 496 states and 893 transitions. [2018-10-27 05:19:14,257 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 893 transitions. [2018-10-27 05:19:14,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 05:19:14,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:19:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:19:14,263 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-27 05:19:14,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:19:14,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 127 states and 195 transitions. [2018-10-27 05:19:14,626 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 195 transitions. [2018-10-27 05:19:14,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 05:19:14,626 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 157 iterations. [2018-10-27 05:19:14,634 INFO L778 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-10-27 05:19:14,791 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-10-27 05:19:15,040 WARN L179 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-10-27 05:19:15,179 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-10-27 05:19:15,644 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2018-10-27 05:19:16,330 WARN L179 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2018-10-27 05:19:16,482 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-10-27 05:19:16,739 WARN L179 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2018-10-27 05:19:16,844 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2018-10-27 05:19:16,965 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2018-10-27 05:19:16,966 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-27 05:19:16,973 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 05:19:16,973 INFO L582 CodeCheckObserver]: Invariant with dag size 32 [2018-10-27 05:19:16,975 INFO L582 CodeCheckObserver]: Invariant with dag size 35 [2018-10-27 05:19:16,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 05:19:16 ImpRootNode [2018-10-27 05:19:16,977 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 05:19:16,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:19:16,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:19:16,979 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:19:16,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:17:06" (3/4) ... [2018-10-27 05:19:16,985 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 05:19:16,992 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-10-27 05:19:16,992 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 05:19:16,992 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 05:19:17,029 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_489d4b4c-fe97-4a2e-858d-037d182fef01/bin-2019/ukojak/witness.graphml [2018-10-27 05:19:17,037 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:19:17,038 INFO L168 Benchmark]: Toolchain (without parser) took 131071.37 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 960.7 MB in the beginning and 1.2 GB in the end (delta: -286.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-10-27 05:19:17,039 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:19:17,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.48 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 948.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:19:17,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.26 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:19:17,039 INFO L168 Benchmark]: Boogie Preprocessor took 17.42 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 943.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:19:17,040 INFO L168 Benchmark]: RCFGBuilder took 467.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -201.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:19:17,040 INFO L168 Benchmark]: CodeCheck took 130278.93 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -102.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-10-27 05:19:17,040 INFO L168 Benchmark]: Witness Printer took 59.04 ms. Allocated memory is still 2.7 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:19:17,042 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, 30 locations, 8 error locations. SAFE Result, 127.8s OverallTime, 157 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1403118760 SDslu, 132801376 SDs, 0 SdLazy, 626984788 SolverSat, -558680504 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 260.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43718 GetRequests, 39197 SyntacticMatches, 3299 SemanticMatches, 1222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762840 ImplicationChecksByTransitivity, 121.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 4337 NumberOfCodeBlocks, 4337 NumberOfCodeBlocksAsserted, 156 NumberOfCheckSat, 4181 ConstructedInterpolants, 0 QuantifiedInterpolants, 374155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 156 InterpolantComputations, 47 PerfectInterpolantSequences, 2240/3018 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: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((n <= 2147483647 && m <= 2147483647) && 0 < N + 2147483648) && 0 <= i + 2147483648) && N <= 2147483647 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: ((((((((n <= 2147483647 && m <= 2147483647) && 0 < N + 2147483648) && 0 <= i + 2147483648) && 0 <= j + 2147483648) && N <= 2147483647) && i + 1 < 0) || ((((((i < 0 && n <= 2147483647) && m <= 2147483647) && 0 < N + 2147483648) && 0 <= j + 2147483648) && 0 <= i + 1) && N <= 2147483647)) || ((((((n <= 2147483647 && m <= 2147483647) && 0 < N + 2147483648) && 0 <= j + 2147483648) && 0 < i) && i <= 2147483646) && N <= 2147483647)) || ((((((i <= 0 && n <= 2147483647) && m <= 2147483647) && 0 < N + 2147483648) && 0 <= j + 2147483648) && N <= 2147483647) && 0 <= i) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((n <= 2147483647 && m <= 2147483647) && 0 <= j + 2147483648) && 0 <= N) && 0 <= k + 1) && k < 0) && N <= 2147483647) || ((((((n <= 2147483647 && m <= 2147483647) && 0 <= j + 2147483648) && 0 <= N) && k + 1 < 0) && 0 <= k + 2147483648) && N <= 2147483647)) || ((((((n <= 2147483647 && k <= 0) && 0 <= k) && m <= 2147483647) && 0 <= j + 2147483648) && 0 <= N) && N <= 2147483647)) || ((((((n <= 2147483647 && m <= 2147483647) && 0 < N + 2147483648) && 0 <= j + 2147483648) && N < 0) && k <= 2147483646) && 0 <= k + 2147483648)) || ((((((n <= 2147483647 && m <= 2147483647) && 0 < k) && 0 <= j + 2147483648) && 0 <= N) && k <= 2147483646) && N <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 213.48 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 948.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.26 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.42 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 943.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 467.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -201.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * CodeCheck took 130278.93 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -102.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 59.04 ms. Allocated memory is still 2.7 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...