./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6d522b38-3612-4b5e-b1b4-c8deb2f467d9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d522b38-3612-4b5e-b1b4-c8deb2f467d9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d522b38-3612-4b5e-b1b4-c8deb2f467d9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d522b38-3612-4b5e-b1b4-c8deb2f467d9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6d522b38-3612-4b5e-b1b4-c8deb2f467d9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d522b38-3612-4b5e-b1b4-c8deb2f467d9/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3bc052be4bf83a6b89bc47d6157f3742948fabcf ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 23:57:10,473 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:57:10,474 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:57:10,480 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:57:10,480 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:57:10,481 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:57:10,481 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:57:10,482 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:57:10,483 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:57:10,483 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:57:10,484 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:57:10,484 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:57:10,484 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:57:10,485 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:57:10,486 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:57:10,486 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:57:10,486 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:57:10,487 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:57:10,488 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:57:10,489 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:57:10,489 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:57:10,490 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:57:10,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:57:10,491 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:57:10,491 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:57:10,492 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:57:10,492 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:57:10,493 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:57:10,493 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:57:10,494 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:57:10,494 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:57:10,494 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:57:10,494 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:57:10,494 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:57:10,495 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:57:10,495 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:57:10,495 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d522b38-3612-4b5e-b1b4-c8deb2f467d9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 23:57:10,502 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:57:10,503 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:57:10,503 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:57:10,503 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 23:57:10,503 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 23:57:10,504 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 23:57:10,504 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:57:10,504 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 23:57:10,504 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 23:57:10,504 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 23:57:10,504 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:57:10,504 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 23:57:10,504 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:57:10,504 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 23:57:10,504 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 23:57:10,504 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 23:57:10,505 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 23:57:10,505 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 23:57:10,505 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 23:57:10,505 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 23:57:10,505 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:57:10,505 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:57:10,505 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 23:57:10,505 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:57:10,505 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:57:10,505 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 23:57:10,506 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 23:57:10,506 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:57:10,506 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 23:57:10,506 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_6d522b38-3612-4b5e-b1b4-c8deb2f467d9/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bc052be4bf83a6b89bc47d6157f3742948fabcf [2018-12-08 23:57:10,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:57:10,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:57:10,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:57:10,535 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:57:10,535 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:57:10,535 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d522b38-3612-4b5e-b1b4-c8deb2f467d9/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c [2018-12-08 23:57:10,570 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d522b38-3612-4b5e-b1b4-c8deb2f467d9/bin-2019/ukojak/data/59035a245/7bac9bbbe0d347c1b2762ff564b2aac7/FLAGd0511978f [2018-12-08 23:57:11,040 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:57:11,041 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d522b38-3612-4b5e-b1b4-c8deb2f467d9/sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c [2018-12-08 23:57:11,048 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d522b38-3612-4b5e-b1b4-c8deb2f467d9/bin-2019/ukojak/data/59035a245/7bac9bbbe0d347c1b2762ff564b2aac7/FLAGd0511978f [2018-12-08 23:57:11,056 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d522b38-3612-4b5e-b1b4-c8deb2f467d9/bin-2019/ukojak/data/59035a245/7bac9bbbe0d347c1b2762ff564b2aac7 [2018-12-08 23:57:11,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:57:11,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:57:11,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:57:11,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:57:11,062 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:57:11,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:57:11" (1/1) ... [2018-12-08 23:57:11,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:11, skipping insertion in model container [2018-12-08 23:57:11,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:57:11" (1/1) ... [2018-12-08 23:57:11,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:57:11,096 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:57:11,291 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:57:11,294 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 23:57:11,382 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:57:11,391 INFO L195 MainTranslator]: Completed translation [2018-12-08 23:57:11,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:11 WrapperNode [2018-12-08 23:57:11,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 23:57:11,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 23:57:11,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 23:57:11,392 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 23:57:11,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:11" (1/1) ... [2018-12-08 23:57:11,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:11" (1/1) ... [2018-12-08 23:57:11,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 23:57:11,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 23:57:11,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 23:57:11,431 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 23:57:11,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:11" (1/1) ... [2018-12-08 23:57:11,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:11" (1/1) ... [2018-12-08 23:57:11,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:11" (1/1) ... [2018-12-08 23:57:11,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:11" (1/1) ... [2018-12-08 23:57:11,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:11" (1/1) ... [2018-12-08 23:57:11,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:11" (1/1) ... [2018-12-08 23:57:11,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:11" (1/1) ... [2018-12-08 23:57:11,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 23:57:11,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 23:57:11,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 23:57:11,459 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 23:57:11,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:57:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d522b38-3612-4b5e-b1b4-c8deb2f467d9/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 23:57:11,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 23:57:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 23:57:12,457 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 23:57:12,457 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 23:57:12,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:57:12 BoogieIcfgContainer [2018-12-08 23:57:12,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 23:57:12,458 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 23:57:12,458 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 23:57:12,465 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 23:57:12,465 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:57:12" (1/1) ... [2018-12-08 23:57:12,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:57:12,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:12,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-08 23:57:12,496 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-08 23:57:12,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 23:57:12,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:12,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:13,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:13,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2018-12-08 23:57:13,040 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2018-12-08 23:57:13,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 23:57:13,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:13,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 23:57:13,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 164 states and 242 transitions. [2018-12-08 23:57:13,195 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 242 transitions. [2018-12-08 23:57:13,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 23:57:13,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:13,245 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:13,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:13,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2018-12-08 23:57:13,359 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2018-12-08 23:57:13,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 23:57:13,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:13,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2018-12-08 23:57:13,686 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2018-12-08 23:57:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 23:57:13,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:13,726 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:13,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 220 states and 320 transitions. [2018-12-08 23:57:13,931 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 320 transitions. [2018-12-08 23:57:13,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 23:57:13,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:13,951 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:14,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:14,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 224 states and 325 transitions. [2018-12-08 23:57:14,090 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 325 transitions. [2018-12-08 23:57:14,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 23:57:14,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:14,113 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 23:57:14,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:14,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 242 states and 345 transitions. [2018-12-08 23:57:14,436 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 345 transitions. [2018-12-08 23:57:14,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 23:57:14,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:14,451 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 246 states and 349 transitions. [2018-12-08 23:57:14,467 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 349 transitions. [2018-12-08 23:57:14,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 23:57:14,468 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 23:57:14,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:14,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 247 states and 351 transitions. [2018-12-08 23:57:14,591 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 351 transitions. [2018-12-08 23:57:14,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 23:57:14,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:14,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 23:57:14,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:14,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 250 states and 354 transitions. [2018-12-08 23:57:14,699 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 354 transitions. [2018-12-08 23:57:14,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 23:57:14,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:57:15,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:15,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 329 states and 450 transitions. [2018-12-08 23:57:15,068 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 450 transitions. [2018-12-08 23:57:15,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 23:57:15,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:15,085 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:57:15,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:15,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 345 states and 469 transitions. [2018-12-08 23:57:15,220 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 469 transitions. [2018-12-08 23:57:15,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 23:57:15,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:15,250 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:57:15,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:15,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 347 states and 470 transitions. [2018-12-08 23:57:15,345 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 470 transitions. [2018-12-08 23:57:15,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 23:57:15,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:15,419 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:15,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 377 states and 508 transitions. [2018-12-08 23:57:15,849 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 508 transitions. [2018-12-08 23:57:15,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-08 23:57:15,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:15,913 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:57:16,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:16,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 383 states and 518 transitions. [2018-12-08 23:57:16,069 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 518 transitions. [2018-12-08 23:57:16,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 23:57:16,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:16,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 413 states and 553 transitions. [2018-12-08 23:57:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 553 transitions. [2018-12-08 23:57:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 23:57:16,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:16,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:16,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 416 states and 556 transitions. [2018-12-08 23:57:16,982 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 556 transitions. [2018-12-08 23:57:16,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-08 23:57:16,982 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:57:17,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:17,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 421 states and 561 transitions. [2018-12-08 23:57:17,035 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 561 transitions. [2018-12-08 23:57:17,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 23:57:17,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:17,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:17,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 434 states and 575 transitions. [2018-12-08 23:57:17,128 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 575 transitions. [2018-12-08 23:57:17,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-08 23:57:17,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:17,144 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:17,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:17,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 453 states and 597 transitions. [2018-12-08 23:57:17,381 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 597 transitions. [2018-12-08 23:57:17,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 23:57:17,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:17,403 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 23:57:17,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:17,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 457 states and 600 transitions. [2018-12-08 23:57:17,484 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 600 transitions. [2018-12-08 23:57:17,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 23:57:17,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:17,501 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:57:17,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:17,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 462 states and 604 transitions. [2018-12-08 23:57:17,522 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 604 transitions. [2018-12-08 23:57:17,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 23:57:17,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:17,621 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 23:57:17,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:17,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 464 states and 607 transitions. [2018-12-08 23:57:17,832 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 607 transitions. [2018-12-08 23:57:17,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 23:57:17,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:17,943 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 23:57:18,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:18,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 478 states and 622 transitions. [2018-12-08 23:57:18,299 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 622 transitions. [2018-12-08 23:57:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 23:57:18,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:18,325 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:18,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:18,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 482 states and 627 transitions. [2018-12-08 23:57:18,484 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 627 transitions. [2018-12-08 23:57:18,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 23:57:18,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:18,719 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 23:57:19,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:19,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 522 states and 678 transitions. [2018-12-08 23:57:19,688 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 678 transitions. [2018-12-08 23:57:19,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 23:57:19,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:19,742 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:57:19,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:19,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 549 states and 705 transitions. [2018-12-08 23:57:19,828 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 705 transitions. [2018-12-08 23:57:19,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 23:57:19,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:57:19,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:19,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 554 states and 710 transitions. [2018-12-08 23:57:19,964 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 710 transitions. [2018-12-08 23:57:19,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 23:57:19,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:19,995 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:20,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:20,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 575 states and 731 transitions. [2018-12-08 23:57:20,086 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 731 transitions. [2018-12-08 23:57:20,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 23:57:20,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:57:20,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:20,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 576 states and 732 transitions. [2018-12-08 23:57:20,116 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 732 transitions. [2018-12-08 23:57:20,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 23:57:20,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:22,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:22,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 635 states and 797 transitions. [2018-12-08 23:57:22,147 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 797 transitions. [2018-12-08 23:57:22,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 23:57:22,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:22,189 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:57:22,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:22,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 654 states and 819 transitions. [2018-12-08 23:57:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 819 transitions. [2018-12-08 23:57:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 23:57:22,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:57:22,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:22,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 655 states and 821 transitions. [2018-12-08 23:57:22,685 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 821 transitions. [2018-12-08 23:57:22,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 23:57:22,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:22,928 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:26,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:26,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 723 states and 903 transitions. [2018-12-08 23:57:26,860 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 903 transitions. [2018-12-08 23:57:26,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 23:57:26,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:26,897 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:27,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:27,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 726 states and 906 transitions. [2018-12-08 23:57:27,064 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 906 transitions. [2018-12-08 23:57:27,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 23:57:27,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:57:27,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:27,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 743 states and 923 transitions. [2018-12-08 23:57:27,126 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 923 transitions. [2018-12-08 23:57:27,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-08 23:57:27,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:27,157 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:57:27,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:27,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 745 states and 924 transitions. [2018-12-08 23:57:27,309 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 924 transitions. [2018-12-08 23:57:27,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 23:57:27,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:27,475 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:29,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:29,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 782 states and 965 transitions. [2018-12-08 23:57:29,007 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 965 transitions. [2018-12-08 23:57:29,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 23:57:29,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:29,087 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:29,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:29,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 800 states and 983 transitions. [2018-12-08 23:57:29,522 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 983 transitions. [2018-12-08 23:57:29,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 23:57:29,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:29,599 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:30,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:30,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 813 states and 996 transitions. [2018-12-08 23:57:30,162 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 996 transitions. [2018-12-08 23:57:30,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 23:57:30,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:30,300 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:30,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:30,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 827 states and 1010 transitions. [2018-12-08 23:57:30,542 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1010 transitions. [2018-12-08 23:57:30,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-08 23:57:30,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:30,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:30,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 842 states and 1025 transitions. [2018-12-08 23:57:30,948 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1025 transitions. [2018-12-08 23:57:30,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 23:57:30,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:30,979 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 23:57:31,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:31,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 844 states and 1026 transitions. [2018-12-08 23:57:31,058 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1026 transitions. [2018-12-08 23:57:31,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-08 23:57:31,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 23:57:31,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:31,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 846 states and 1028 transitions. [2018-12-08 23:57:31,298 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1028 transitions. [2018-12-08 23:57:31,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-08 23:57:31,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:31,321 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 23:57:31,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:31,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 850 states and 1035 transitions. [2018-12-08 23:57:31,535 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1035 transitions. [2018-12-08 23:57:31,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 23:57:31,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:31,588 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-08 23:57:31,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:31,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 852 states and 1037 transitions. [2018-12-08 23:57:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1037 transitions. [2018-12-08 23:57:31,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-08 23:57:31,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:57:32,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:32,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 879 states and 1066 transitions. [2018-12-08 23:57:32,648 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1066 transitions. [2018-12-08 23:57:32,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 23:57:32,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:32,679 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 23:57:33,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:33,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 891 states and 1083 transitions. [2018-12-08 23:57:33,084 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1083 transitions. [2018-12-08 23:57:33,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-08 23:57:33,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:33,406 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 23:57:35,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:35,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 910 states and 1107 transitions. [2018-12-08 23:57:35,020 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1107 transitions. [2018-12-08 23:57:35,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-08 23:57:35,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:35,047 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 23:57:35,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:35,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 914 states and 1112 transitions. [2018-12-08 23:57:35,147 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1112 transitions. [2018-12-08 23:57:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 23:57:35,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:35,171 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 23:57:35,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:35,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 916 states and 1113 transitions. [2018-12-08 23:57:35,394 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1113 transitions. [2018-12-08 23:57:35,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 23:57:35,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-08 23:57:35,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:35,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 928 states and 1124 transitions. [2018-12-08 23:57:35,917 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1124 transitions. [2018-12-08 23:57:35,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-08 23:57:35,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:57:36,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:36,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 999 states and 1201 transitions. [2018-12-08 23:57:36,664 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1201 transitions. [2018-12-08 23:57:36,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-08 23:57:36,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:36,725 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 23:57:37,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:37,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1078 states and 1286 transitions. [2018-12-08 23:57:37,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1286 transitions. [2018-12-08 23:57:37,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 23:57:37,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:37,445 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:57:38,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:38,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1108 states and 1317 transitions. [2018-12-08 23:57:38,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1317 transitions. [2018-12-08 23:57:38,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 23:57:38,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:38,281 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:57:39,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:39,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1133 states and 1342 transitions. [2018-12-08 23:57:39,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1342 transitions. [2018-12-08 23:57:39,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-08 23:57:39,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:39,669 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 23:57:40,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:40,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1158 states and 1366 transitions. [2018-12-08 23:57:40,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1366 transitions. [2018-12-08 23:57:40,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-08 23:57:40,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:40,098 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 23:57:41,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:41,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1190 states and 1398 transitions. [2018-12-08 23:57:41,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1398 transitions. [2018-12-08 23:57:41,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 23:57:41,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 23:57:41,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:41,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1192 states and 1399 transitions. [2018-12-08 23:57:41,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1399 transitions. [2018-12-08 23:57:41,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-08 23:57:41,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:41,967 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 23:57:42,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:42,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1198 states and 1404 transitions. [2018-12-08 23:57:42,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1404 transitions. [2018-12-08 23:57:42,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 23:57:42,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:42,154 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:57:43,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1274 states and 1489 transitions. [2018-12-08 23:57:43,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1489 transitions. [2018-12-08 23:57:43,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 23:57:43,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:43,305 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:57:43,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:43,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1279 states and 1494 transitions. [2018-12-08 23:57:43,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1494 transitions. [2018-12-08 23:57:43,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 23:57:43,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:43,534 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:57:44,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:44,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1304 states and 1519 transitions. [2018-12-08 23:57:44,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1519 transitions. [2018-12-08 23:57:44,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 23:57:44,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 23:57:44,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:44,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1310 states and 1531 transitions. [2018-12-08 23:57:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1531 transitions. [2018-12-08 23:57:44,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 23:57:44,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:44,474 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 23:57:44,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:44,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1315 states and 1539 transitions. [2018-12-08 23:57:44,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1539 transitions. [2018-12-08 23:57:44,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 23:57:44,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:44,682 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 23:57:44,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:44,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1316 states and 1539 transitions. [2018-12-08 23:57:44,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1539 transitions. [2018-12-08 23:57:44,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 23:57:44,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:45,069 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:45,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:45,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1350 states and 1577 transitions. [2018-12-08 23:57:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1577 transitions. [2018-12-08 23:57:45,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 23:57:45,840 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:46,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:46,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1352 states and 1578 transitions. [2018-12-08 23:57:46,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1578 transitions. [2018-12-08 23:57:46,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-08 23:57:46,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:46,063 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 23:57:46,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:46,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1375 states and 1605 transitions. [2018-12-08 23:57:46,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1605 transitions. [2018-12-08 23:57:46,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 23:57:46,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:46,789 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 23:57:47,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1421 states and 1658 transitions. [2018-12-08 23:57:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 1658 transitions. [2018-12-08 23:57:47,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 23:57:47,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:47,536 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 23:57:47,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:47,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1426 states and 1662 transitions. [2018-12-08 23:57:47,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1662 transitions. [2018-12-08 23:57:47,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 23:57:47,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:47,968 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 23:57:48,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:48,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1430 states and 1666 transitions. [2018-12-08 23:57:48,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1666 transitions. [2018-12-08 23:57:48,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-08 23:57:48,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 23:57:49,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:49,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1463 states and 1705 transitions. [2018-12-08 23:57:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1705 transitions. [2018-12-08 23:57:49,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-08 23:57:49,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:49,061 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 23:57:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1473 states and 1714 transitions. [2018-12-08 23:57:49,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1714 transitions. [2018-12-08 23:57:49,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-08 23:57:49,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:49,629 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:57:49,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:49,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1477 states and 1720 transitions. [2018-12-08 23:57:49,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1720 transitions. [2018-12-08 23:57:49,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 23:57:49,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:49,789 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:57:49,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1489 states and 1732 transitions. [2018-12-08 23:57:49,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1732 transitions. [2018-12-08 23:57:49,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 23:57:49,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:49,863 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 23:57:50,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:50,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1496 states and 1738 transitions. [2018-12-08 23:57:50,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1738 transitions. [2018-12-08 23:57:50,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 23:57:50,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 23:57:51,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1534 states and 1784 transitions. [2018-12-08 23:57:51,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1784 transitions. [2018-12-08 23:57:51,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 23:57:51,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:51,400 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 23:57:51,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:51,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1561 states and 1811 transitions. [2018-12-08 23:57:51,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 1811 transitions. [2018-12-08 23:57:51,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 23:57:51,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:51,717 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 23:57:51,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:51,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1568 states and 1817 transitions. [2018-12-08 23:57:51,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 1817 transitions. [2018-12-08 23:57:51,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-08 23:57:51,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:52,012 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-08 23:57:52,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:52,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 1570 states and 1818 transitions. [2018-12-08 23:57:52,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 1818 transitions. [2018-12-08 23:57:52,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-08 23:57:52,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:52,143 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-08 23:57:52,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:52,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1573 states and 1820 transitions. [2018-12-08 23:57:52,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1820 transitions. [2018-12-08 23:57:52,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-08 23:57:52,170 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:53,040 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:57,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:57,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1650 states and 1913 transitions. [2018-12-08 23:57:57,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 1913 transitions. [2018-12-08 23:57:57,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-08 23:57:57,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:57,406 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:57,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:57,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1654 states and 1917 transitions. [2018-12-08 23:57:57,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 1917 transitions. [2018-12-08 23:57:57,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-08 23:57:57,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:57:58,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:58,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1659 states and 1921 transitions. [2018-12-08 23:57:58,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 1921 transitions. [2018-12-08 23:57:58,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-08 23:57:58,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:58,249 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-08 23:57:58,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:58,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1672 states and 1935 transitions. [2018-12-08 23:57:58,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1935 transitions. [2018-12-08 23:57:58,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-08 23:57:58,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:57:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-08 23:57:59,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:57:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1751 states and 2017 transitions. [2018-12-08 23:57:59,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2017 transitions. [2018-12-08 23:57:59,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 23:57:59,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:57:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 23:58:02,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:02,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1918 states and 2191 transitions. [2018-12-08 23:58:02,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2191 transitions. [2018-12-08 23:58:02,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-08 23:58:02,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:02,528 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 23:58:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1922 states and 2195 transitions. [2018-12-08 23:58:02,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2195 transitions. [2018-12-08 23:58:02,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-08 23:58:02,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:02,858 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 23:58:03,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 1926 states and 2199 transitions. [2018-12-08 23:58:03,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2199 transitions. [2018-12-08 23:58:03,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-08 23:58:03,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:03,323 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-08 23:58:08,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:08,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 2109 states and 2403 transitions. [2018-12-08 23:58:08,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2403 transitions. [2018-12-08 23:58:08,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-08 23:58:08,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:08,298 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-08 23:58:09,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:09,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 2135 states and 2441 transitions. [2018-12-08 23:58:09,471 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2441 transitions. [2018-12-08 23:58:09,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-08 23:58:09,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:09,537 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-08 23:58:10,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:10,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 2153 states and 2462 transitions. [2018-12-08 23:58:10,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2462 transitions. [2018-12-08 23:58:10,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-08 23:58:10,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-08 23:58:10,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:10,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2158 states and 2465 transitions. [2018-12-08 23:58:10,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 2465 transitions. [2018-12-08 23:58:10,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-08 23:58:10,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:10,535 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-08 23:58:10,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:10,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2161 states and 2467 transitions. [2018-12-08 23:58:10,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 2467 transitions. [2018-12-08 23:58:10,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-08 23:58:10,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:10,755 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 23:58:12,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:12,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2204 states and 2516 transitions. [2018-12-08 23:58:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 2516 transitions. [2018-12-08 23:58:12,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-08 23:58:12,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:12,177 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 23:58:12,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:12,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2208 states and 2519 transitions. [2018-12-08 23:58:12,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 2519 transitions. [2018-12-08 23:58:12,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-12-08 23:58:12,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:13,109 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 474 proven. 8 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-08 23:58:15,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:15,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 2258 states and 2579 transitions. [2018-12-08 23:58:15,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 2579 transitions. [2018-12-08 23:58:15,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-08 23:58:15,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 428 proven. 4 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-08 23:58:17,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:17,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2271 states and 2597 transitions. [2018-12-08 23:58:17,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 2597 transitions. [2018-12-08 23:58:17,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-08 23:58:17,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:17,265 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 428 proven. 4 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-08 23:58:17,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:17,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 2276 states and 2601 transitions. [2018-12-08 23:58:17,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 2601 transitions. [2018-12-08 23:58:17,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-08 23:58:17,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 428 proven. 4 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-08 23:58:18,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:18,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2280 states and 2605 transitions. [2018-12-08 23:58:18,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 2605 transitions. [2018-12-08 23:58:18,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 23:58:18,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:18,343 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 12 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2018-12-08 23:58:18,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:18,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2284 states and 2609 transitions. [2018-12-08 23:58:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 2609 transitions. [2018-12-08 23:58:18,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-08 23:58:18,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:18,727 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-08 23:58:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:19,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2300 states and 2642 transitions. [2018-12-08 23:58:19,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 2642 transitions. [2018-12-08 23:58:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-08 23:58:19,746 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:19,879 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-08 23:58:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:20,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2304 states and 2646 transitions. [2018-12-08 23:58:20,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2646 transitions. [2018-12-08 23:58:20,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-08 23:58:20,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:20,320 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-08 23:58:20,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:20,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2308 states and 2650 transitions. [2018-12-08 23:58:20,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 2650 transitions. [2018-12-08 23:58:20,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-08 23:58:20,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:20,771 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-08 23:58:21,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:21,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2312 states and 2654 transitions. [2018-12-08 23:58:21,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 2654 transitions. [2018-12-08 23:58:21,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-08 23:58:21,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:21,251 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-08 23:58:21,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:21,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 2316 states and 2658 transitions. [2018-12-08 23:58:21,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 2658 transitions. [2018-12-08 23:58:21,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-08 23:58:21,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:21,692 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-08 23:58:21,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:21,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2320 states and 2662 transitions. [2018-12-08 23:58:21,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2320 states and 2662 transitions. [2018-12-08 23:58:21,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-08 23:58:21,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:23,093 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 23:58:32,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:32,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2457 states and 2830 transitions. [2018-12-08 23:58:32,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 2830 transitions. [2018-12-08 23:58:32,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-08 23:58:32,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 23:58:39,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:39,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2492 states and 2877 transitions. [2018-12-08 23:58:39,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 2877 transitions. [2018-12-08 23:58:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-08 23:58:39,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:39,590 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 23:58:40,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2496 states and 2883 transitions. [2018-12-08 23:58:40,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2883 transitions. [2018-12-08 23:58:40,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-08 23:58:40,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:40,276 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 23:58:42,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:42,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2502 states and 2890 transitions. [2018-12-08 23:58:42,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 2890 transitions. [2018-12-08 23:58:42,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-08 23:58:42,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:42,635 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 23:58:43,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:43,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2526 states and 2915 transitions. [2018-12-08 23:58:43,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 2915 transitions. [2018-12-08 23:58:43,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-08 23:58:43,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:43,709 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 23:58:44,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2531 states and 2922 transitions. [2018-12-08 23:58:44,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 2922 transitions. [2018-12-08 23:58:44,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-08 23:58:44,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:44,793 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 23:58:45,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:45,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2536 states and 2926 transitions. [2018-12-08 23:58:45,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 2926 transitions. [2018-12-08 23:58:45,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-08 23:58:45,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:45,431 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 23:58:45,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:45,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2540 states and 2929 transitions. [2018-12-08 23:58:45,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 2929 transitions. [2018-12-08 23:58:45,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-08 23:58:45,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:46,981 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 409 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-12-08 23:58:50,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:50,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 2604 states and 2993 transitions. [2018-12-08 23:58:50,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 2993 transitions. [2018-12-08 23:58:50,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-08 23:58:50,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 597 proven. 16 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-08 23:58:52,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:52,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 2628 states and 3018 transitions. [2018-12-08 23:58:52,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 3018 transitions. [2018-12-08 23:58:52,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-08 23:58:52,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 597 proven. 16 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-08 23:58:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:52,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3021 states to 2632 states and 3021 transitions. [2018-12-08 23:58:52,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 3021 transitions. [2018-12-08 23:58:52,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-12-08 23:58:52,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:53,139 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-08 23:58:59,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:58:59,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3081 states to 2677 states and 3081 transitions. [2018-12-08 23:58:59,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3081 transitions. [2018-12-08 23:58:59,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-12-08 23:58:59,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:58:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:59,485 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-08 23:59:02,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:59:02,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3107 states to 2699 states and 3107 transitions. [2018-12-08 23:59:02,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2699 states and 3107 transitions. [2018-12-08 23:59:02,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-12-08 23:59:02,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:59:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:59:02,123 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-08 23:59:02,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:59:02,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 2704 states and 3114 transitions. [2018-12-08 23:59:02,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3114 transitions. [2018-12-08 23:59:02,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-12-08 23:59:02,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:59:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:59:02,629 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-08 23:59:03,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:59:03,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 2717 states and 3128 transitions. [2018-12-08 23:59:03,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3128 transitions. [2018-12-08 23:59:03,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-12-08 23:59:03,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:59:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:59:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-08 23:59:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:59:08,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 2739 states and 3156 transitions. [2018-12-08 23:59:08,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3156 transitions. [2018-12-08 23:59:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-12-08 23:59:08,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:59:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:59:08,563 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 408 proven. 23 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-12-08 23:59:25,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:59:25,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3416 states to 2943 states and 3416 transitions. [2018-12-08 23:59:25,588 INFO L276 IsEmpty]: Start isEmpty. Operand 2943 states and 3416 transitions. [2018-12-08 23:59:25,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-12-08 23:59:25,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:59:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:59:26,114 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 418 proven. 43 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-12-08 23:59:40,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:59:40,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 3037 states and 3517 transitions. [2018-12-08 23:59:40,336 INFO L276 IsEmpty]: Start isEmpty. Operand 3037 states and 3517 transitions. [2018-12-08 23:59:40,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-12-08 23:59:40,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:59:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:59:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2018-12-08 23:59:41,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:59:41,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3041 states and 3523 transitions. [2018-12-08 23:59:41,398 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 3523 transitions. [2018-12-08 23:59:41,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2018-12-08 23:59:41,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:59:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:59:41,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 560 proven. 4 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2018-12-08 23:59:49,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:59:49,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3699 states to 3200 states and 3699 transitions. [2018-12-08 23:59:49,780 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 3699 transitions. [2018-12-08 23:59:49,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2018-12-08 23:59:49,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:59:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:59:50,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 560 proven. 4 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2018-12-08 23:59:51,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:59:51,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3761 states to 3263 states and 3761 transitions. [2018-12-08 23:59:51,089 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 3761 transitions. [2018-12-08 23:59:51,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2018-12-08 23:59:51,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:59:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:59:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 560 proven. 4 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2018-12-08 23:59:51,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:59:51,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3761 states to 3264 states and 3761 transitions. [2018-12-08 23:59:51,823 INFO L276 IsEmpty]: Start isEmpty. Operand 3264 states and 3761 transitions. [2018-12-08 23:59:51,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2018-12-08 23:59:51,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:59:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:59:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 567 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2018-12-08 23:59:58,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:59:58,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3928 states to 3421 states and 3928 transitions. [2018-12-08 23:59:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand 3421 states and 3928 transitions. [2018-12-08 23:59:58,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2018-12-08 23:59:58,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:59:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:59:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 567 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2018-12-09 00:00:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:00,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3989 states to 3483 states and 3989 transitions. [2018-12-09 00:00:00,022 INFO L276 IsEmpty]: Start isEmpty. Operand 3483 states and 3989 transitions. [2018-12-09 00:00:00,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2018-12-09 00:00:00,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1528 backedges. 1050 proven. 196 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-12-09 00:00:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4212 states to 3685 states and 4212 transitions. [2018-12-09 00:00:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 3685 states and 4212 transitions. [2018-12-09 00:00:08,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2018-12-09 00:00:08,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:08,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 851 proven. 227 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2018-12-09 00:00:12,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:12,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4313 states to 3765 states and 4313 transitions. [2018-12-09 00:00:12,902 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 4313 transitions. [2018-12-09 00:00:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2018-12-09 00:00:12,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:13,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 851 proven. 227 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2018-12-09 00:00:22,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4394 states to 3834 states and 4394 transitions. [2018-12-09 00:00:22,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3834 states and 4394 transitions. [2018-12-09 00:00:22,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2018-12-09 00:00:22,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:23,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 851 proven. 227 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2018-12-09 00:00:28,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:28,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4439 states to 3875 states and 4439 transitions. [2018-12-09 00:00:28,858 INFO L276 IsEmpty]: Start isEmpty. Operand 3875 states and 4439 transitions. [2018-12-09 00:00:28,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2018-12-09 00:00:28,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:29,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1090 proven. 441 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-12-09 00:00:32,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:32,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4505 states to 3931 states and 4505 transitions. [2018-12-09 00:00:32,862 INFO L276 IsEmpty]: Start isEmpty. Operand 3931 states and 4505 transitions. [2018-12-09 00:00:32,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2018-12-09 00:00:32,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1090 proven. 441 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-12-09 00:00:37,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:37,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4549 states to 3971 states and 4549 transitions. [2018-12-09 00:00:37,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3971 states and 4549 transitions. [2018-12-09 00:00:37,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2018-12-09 00:00:37,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1090 proven. 441 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-12-09 00:00:41,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:41,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4599 states to 4013 states and 4599 transitions. [2018-12-09 00:00:41,772 INFO L276 IsEmpty]: Start isEmpty. Operand 4013 states and 4599 transitions. [2018-12-09 00:00:41,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2018-12-09 00:00:41,775 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:42,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1090 proven. 441 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-12-09 00:00:43,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:43,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4608 states to 4023 states and 4608 transitions. [2018-12-09 00:00:43,867 INFO L276 IsEmpty]: Start isEmpty. Operand 4023 states and 4608 transitions. [2018-12-09 00:00:43,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2018-12-09 00:00:43,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:44,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1090 proven. 441 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-12-09 00:00:47,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:47,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4621 states to 4035 states and 4621 transitions. [2018-12-09 00:00:47,644 INFO L276 IsEmpty]: Start isEmpty. Operand 4035 states and 4621 transitions. [2018-12-09 00:00:47,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2018-12-09 00:00:47,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:47,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1090 proven. 441 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-12-09 00:00:48,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:48,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 4039 states and 4625 transitions. [2018-12-09 00:00:48,526 INFO L276 IsEmpty]: Start isEmpty. Operand 4039 states and 4625 transitions. [2018-12-09 00:00:48,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2018-12-09 00:00:48,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:48,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1090 proven. 441 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-12-09 00:00:51,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:51,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4636 states to 4050 states and 4636 transitions. [2018-12-09 00:00:51,110 INFO L276 IsEmpty]: Start isEmpty. Operand 4050 states and 4636 transitions. [2018-12-09 00:00:51,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2018-12-09 00:00:51,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:51,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1090 proven. 441 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-12-09 00:00:52,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:52,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4054 states and 4640 transitions. [2018-12-09 00:00:52,229 INFO L276 IsEmpty]: Start isEmpty. Operand 4054 states and 4640 transitions. [2018-12-09 00:00:52,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2018-12-09 00:00:52,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:52,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1090 proven. 441 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-12-09 00:00:53,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:53,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4644 states to 4058 states and 4644 transitions. [2018-12-09 00:00:53,132 INFO L276 IsEmpty]: Start isEmpty. Operand 4058 states and 4644 transitions. [2018-12-09 00:00:53,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2018-12-09 00:00:53,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:53,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1090 proven. 441 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-12-09 00:00:54,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:54,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4648 states to 4062 states and 4648 transitions. [2018-12-09 00:00:54,095 INFO L276 IsEmpty]: Start isEmpty. Operand 4062 states and 4648 transitions. [2018-12-09 00:00:54,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2018-12-09 00:00:54,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:54,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1090 proven. 441 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-12-09 00:00:55,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:55,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4652 states to 4066 states and 4652 transitions. [2018-12-09 00:00:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand 4066 states and 4652 transitions. [2018-12-09 00:00:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2018-12-09 00:00:55,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:55,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2596 backedges. 1687 proven. 6 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2018-12-09 00:00:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:58,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4136 states and 4729 transitions. [2018-12-09 00:00:58,271 INFO L276 IsEmpty]: Start isEmpty. Operand 4136 states and 4729 transitions. [2018-12-09 00:00:58,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2018-12-09 00:00:58,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:58,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2596 backedges. 1687 proven. 6 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2018-12-09 00:00:59,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:00:59,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4763 states to 4168 states and 4763 transitions. [2018-12-09 00:00:59,109 INFO L276 IsEmpty]: Start isEmpty. Operand 4168 states and 4763 transitions. [2018-12-09 00:00:59,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2018-12-09 00:00:59,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:00:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2596 backedges. 1687 proven. 6 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2018-12-09 00:01:02,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:02,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4776 states to 4179 states and 4776 transitions. [2018-12-09 00:01:02,560 INFO L276 IsEmpty]: Start isEmpty. Operand 4179 states and 4776 transitions. [2018-12-09 00:01:02,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2018-12-09 00:01:02,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:02,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2623 backedges. 1707 proven. 0 refuted. 0 times theorem prover too weak. 916 trivial. 0 not checked. [2018-12-09 00:01:10,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:10,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4843 states to 4243 states and 4843 transitions. [2018-12-09 00:01:10,322 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 4843 transitions. [2018-12-09 00:01:10,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2018-12-09 00:01:10,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:10,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2623 backedges. 1707 proven. 0 refuted. 0 times theorem prover too weak. 916 trivial. 0 not checked. [2018-12-09 00:01:13,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:13,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4875 states to 4275 states and 4875 transitions. [2018-12-09 00:01:13,123 INFO L276 IsEmpty]: Start isEmpty. Operand 4275 states and 4875 transitions. [2018-12-09 00:01:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2018-12-09 00:01:13,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:13,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2623 backedges. 1707 proven. 0 refuted. 0 times theorem prover too weak. 916 trivial. 0 not checked. [2018-12-09 00:01:13,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:13,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4879 states to 4280 states and 4879 transitions. [2018-12-09 00:01:13,965 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 4879 transitions. [2018-12-09 00:01:13,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2018-12-09 00:01:13,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:14,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2642 backedges. 1329 proven. 655 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2018-12-09 00:01:15,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:15,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4911 states to 4313 states and 4911 transitions. [2018-12-09 00:01:15,115 INFO L276 IsEmpty]: Start isEmpty. Operand 4313 states and 4911 transitions. [2018-12-09 00:01:15,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2018-12-09 00:01:15,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:15,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2642 backedges. 1329 proven. 655 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2018-12-09 00:01:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:16,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 2929 states and 3394 transitions. [2018-12-09 00:01:16,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 3394 transitions. [2018-12-09 00:01:16,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:01:16,219 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 156 iterations. [2018-12-09 00:01:16,226 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 00:01:16,379 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 33 [2018-12-09 00:01:16,510 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 33 [2018-12-09 00:01:16,718 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 33 [2018-12-09 00:01:16,916 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2018-12-09 00:01:17,051 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2018-12-09 00:01:17,254 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 33 [2018-12-09 00:01:17,557 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 33 [2018-12-09 00:01:17,702 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 33 [2018-12-09 00:01:18,384 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2018-12-09 00:01:18,547 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-12-09 00:01:18,711 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-12-09 00:01:19,009 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 33 [2018-12-09 00:01:19,151 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 33 [2018-12-09 00:01:19,277 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 33 [2018-12-09 00:01:19,379 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 33 [2018-12-09 00:01:19,765 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 56 [2018-12-09 00:01:19,994 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 33 [2018-12-09 00:01:20,215 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2018-12-09 00:01:20,481 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2018-12-09 00:01:20,706 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2018-12-09 00:01:20,828 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 33 [2018-12-09 00:01:21,050 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2018-12-09 00:01:21,342 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 33 [2018-12-09 00:01:21,546 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 33 [2018-12-09 00:01:21,804 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 33 [2018-12-09 00:01:21,978 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-12-09 00:01:22,188 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 33 [2018-12-09 00:01:22,373 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 33 [2018-12-09 00:01:22,950 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-12-09 00:01:23,079 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2018-12-09 00:01:23,310 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-12-09 00:01:23,436 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 33 [2018-12-09 00:01:23,769 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-12-09 00:01:23,906 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 33 [2018-12-09 00:01:24,408 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 33 [2018-12-09 00:01:24,539 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2018-12-09 00:01:24,671 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2018-12-09 00:01:24,889 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 33 [2018-12-09 00:01:25,201 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 33 [2018-12-09 00:01:25,201 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:01:25,203 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-09 00:01:25,254 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-09 00:01:25,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:01:25 ImpRootNode [2018-12-09 00:01:25,255 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:01:25,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:01:25,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:01:25,255 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:01:25,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:57:12" (3/4) ... [2018-12-09 00:01:25,259 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:01:25,274 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-12-09 00:01:25,274 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-09 00:01:25,275 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 00:01:25,276 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:01:25,341 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6d522b38-3612-4b5e-b1b4-c8deb2f467d9/bin-2019/ukojak/witness.graphml [2018-12-09 00:01:25,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:01:25,342 INFO L168 Benchmark]: Toolchain (without parser) took 254283.02 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.3 GB). Free memory was 951.7 MB in the beginning and 2.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 354.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:01:25,342 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:01:25,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -186.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:01:25,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:01:25,342 INFO L168 Benchmark]: Boogie Preprocessor took 28.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:01:25,343 INFO L168 Benchmark]: RCFGBuilder took 998.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 901.8 MB in the end (delta: 229.9 MB). Peak memory consumption was 229.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:01:25,343 INFO L168 Benchmark]: CodeCheck took 252796.95 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 901.8 MB in the beginning and 2.9 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-12-09 00:01:25,343 INFO L168 Benchmark]: Witness Printer took 85.85 ms. Allocated memory is still 3.3 GB. Free memory was 2.9 GB in the beginning and 2.9 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-12-09 00:01:25,344 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, 227 locations, 1 error locations. SAFE Result, 243.7s OverallTime, 156 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1946157436 SDtfs, -1993877908 SDslu, 1205860120 SDs, 0 SdLazy, -1040779768 SolverSat, 1692503208 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 710.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 277429 GetRequests, 268677 SyntacticMatches, 7064 SemanticMatches, 1688 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1981110 ImplicationChecksByTransitivity, 209.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 13.1s InterpolantComputationTime, 43867 NumberOfCodeBlocks, 43867 NumberOfCodeBlocksAsserted, 155 NumberOfCheckSat, 43712 ConstructedInterpolants, 0 QuantifiedInterpolants, 52289881 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 155 InterpolantComputations, 93 PerfectInterpolantSequences, 80292/88615 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: 529]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((!(a19 == 1) && !(a25 == 1)) && !(a28 == 8)) && !(a17 == 9)) || a17 == 8) || ((((a28 == 9 && !(a19 == 1)) && a17 == 7) && a21 == 1) && a11 == 1)) || (!(a25 == 1) && (a28 == 10 || !(a11 == 1)))) || (((((a17 == 7 && a19 == 1) && a28 == 7) && a21 == 1) && a25 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((!(a19 == 1) && !(a25 == 1)) && !(a28 == 8)) && !(a17 == 9)) || a17 == 8) || ((((a28 == 9 && !(a19 == 1)) && a17 == 7) && a21 == 1) && a11 == 1)) || (!(a25 == 1) && (a28 == 10 || !(a11 == 1)))) || (((((a17 == 7 && a19 == 1) && a28 == 7) && a21 == 1) && a25 == 1) && a11 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 331.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -186.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 998.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 901.8 MB in the end (delta: 229.9 MB). Peak memory consumption was 229.9 MB. Max. memory is 11.5 GB. * CodeCheck took 252796.95 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 901.8 MB in the beginning and 2.9 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. * Witness Printer took 85.85 ms. Allocated memory is still 3.3 GB. Free memory was 2.9 GB in the beginning and 2.9 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...