./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label03_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_63b5bfcf-849b-45a9-baee-2c1b5d95c5bc/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_63b5bfcf-849b-45a9-baee-2c1b5d95c5bc/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_63b5bfcf-849b-45a9-baee-2c1b5d95c5bc/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_63b5bfcf-849b-45a9-baee-2c1b5d95c5bc/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label03_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_63b5bfcf-849b-45a9-baee-2c1b5d95c5bc/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_63b5bfcf-849b-45a9-baee-2c1b5d95c5bc/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 a91f469417fecfcde25fa5a52b02f071d3462166 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:57:21,471 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:57:21,472 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:57:21,478 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:57:21,478 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:57:21,479 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:57:21,480 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:57:21,481 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:57:21,483 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:57:21,483 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:57:21,484 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:57:21,484 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:57:21,485 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:57:21,486 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:57:21,486 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:57:21,487 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:57:21,488 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:57:21,489 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:57:21,490 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:57:21,492 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:57:21,492 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:57:21,493 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:57:21,495 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:57:21,495 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:57:21,495 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:57:21,496 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:57:21,497 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:57:21,497 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:57:21,498 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:57:21,499 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:57:21,499 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:57:21,499 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:57:21,499 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:57:21,500 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:57:21,500 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:57:21,501 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:57:21,501 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_63b5bfcf-849b-45a9-baee-2c1b5d95c5bc/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 04:57:21,510 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:57:21,511 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:57:21,511 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:57:21,511 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:57:21,512 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:57:21,512 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:57:21,512 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:57:21,512 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:57:21,513 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:57:21,513 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:57:21,513 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:57:21,513 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:57:21,513 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:57:21,513 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:57:21,513 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:57:21,514 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:57:21,514 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:57:21,514 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:57:21,514 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:57:21,514 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:57:21,514 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:57:21,514 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:57:21,515 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:57:21,515 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:57:21,515 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:57:21,515 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:57:21,515 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:57:21,515 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:57:21,515 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_63b5bfcf-849b-45a9-baee-2c1b5d95c5bc/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 -> a91f469417fecfcde25fa5a52b02f071d3462166 [2018-11-10 04:57:21,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:57:21,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:57:21,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:57:21,548 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:57:21,549 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:57:21,549 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_63b5bfcf-849b-45a9-baee-2c1b5d95c5bc/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label03_true-unreach-call_false-termination.c [2018-11-10 04:57:21,583 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_63b5bfcf-849b-45a9-baee-2c1b5d95c5bc/bin-2019/ukojak/data/541d3e19b/4d373d6f96d34c5087705e9e93fb47b8/FLAGc517376ba [2018-11-10 04:57:22,020 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:57:22,021 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_63b5bfcf-849b-45a9-baee-2c1b5d95c5bc/sv-benchmarks/c/eca-rers2012/Problem01_label03_true-unreach-call_false-termination.c [2018-11-10 04:57:22,029 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_63b5bfcf-849b-45a9-baee-2c1b5d95c5bc/bin-2019/ukojak/data/541d3e19b/4d373d6f96d34c5087705e9e93fb47b8/FLAGc517376ba [2018-11-10 04:57:22,041 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_63b5bfcf-849b-45a9-baee-2c1b5d95c5bc/bin-2019/ukojak/data/541d3e19b/4d373d6f96d34c5087705e9e93fb47b8 [2018-11-10 04:57:22,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:57:22,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:57:22,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:57:22,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:57:22,048 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:57:22,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:57:22" (1/1) ... [2018-11-10 04:57:22,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18da3d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:22, skipping insertion in model container [2018-11-10 04:57:22,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:57:22" (1/1) ... [2018-11-10 04:57:22,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:57:22,090 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:57:22,328 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:57:22,332 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:57:22,399 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:57:22,411 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:57:22,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:22 WrapperNode [2018-11-10 04:57:22,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:57:22,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:57:22,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:57:22,412 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:57:22,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:22" (1/1) ... [2018-11-10 04:57:22,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:22" (1/1) ... [2018-11-10 04:57:22,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:57:22,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:57:22,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:57:22,525 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:57:22,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:22" (1/1) ... [2018-11-10 04:57:22,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:22" (1/1) ... [2018-11-10 04:57:22,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:22" (1/1) ... [2018-11-10 04:57:22,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:22" (1/1) ... [2018-11-10 04:57:22,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:22" (1/1) ... [2018-11-10 04:57:22,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:22" (1/1) ... [2018-11-10 04:57:22,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:22" (1/1) ... [2018-11-10 04:57:22,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:57:22,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:57:22,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:57:22,567 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:57:22,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_63b5bfcf-849b-45a9-baee-2c1b5d95c5bc/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:57:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 04:57:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:57:22,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:57:24,255 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:57:24,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:57:24 BoogieIcfgContainer [2018-11-10 04:57:24,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:57:24,257 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:57:24,257 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:57:24,265 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:57:24,265 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:57:24" (1/1) ... [2018-11-10 04:57:24,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:57:24,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:24,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-10 04:57:24,305 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-10 04:57:24,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 04:57:24,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:24,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:25,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:25,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 147 states and 223 transitions. [2018-11-10 04:57:25,016 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2018-11-10 04:57:25,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 04:57:25,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:25,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:25,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 152 states and 229 transitions. [2018-11-10 04:57:25,223 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 229 transitions. [2018-11-10 04:57:25,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-10 04:57:25,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:25,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:25,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 158 states and 240 transitions. [2018-11-10 04:57:25,391 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 240 transitions. [2018-11-10 04:57:25,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 04:57:25,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:25,509 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:25,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:25,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 229 states and 320 transitions. [2018-11-10 04:57:25,896 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 320 transitions. [2018-11-10 04:57:25,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 04:57:25,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:26,052 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:26,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 240 states and 337 transitions. [2018-11-10 04:57:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 337 transitions. [2018-11-10 04:57:26,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 04:57:26,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:26,417 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:57:26,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:26,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 252 states and 357 transitions. [2018-11-10 04:57:26,868 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 357 transitions. [2018-11-10 04:57:26,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 04:57:26,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:57:27,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:27,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 256 states and 361 transitions. [2018-11-10 04:57:27,017 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 361 transitions. [2018-11-10 04:57:27,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 04:57:27,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:27,043 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:57:27,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:27,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 260 states and 366 transitions. [2018-11-10 04:57:27,166 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 366 transitions. [2018-11-10 04:57:27,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 04:57:27,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:27,191 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:57:27,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:27,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 262 states and 367 transitions. [2018-11-10 04:57:27,315 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 367 transitions. [2018-11-10 04:57:27,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-10 04:57:27,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:27,340 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 04:57:27,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:27,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 274 states and 382 transitions. [2018-11-10 04:57:27,564 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 382 transitions. [2018-11-10 04:57:27,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-10 04:57:27,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:27,585 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 04:57:27,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:27,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 276 states and 384 transitions. [2018-11-10 04:57:27,610 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 384 transitions. [2018-11-10 04:57:27,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-10 04:57:27,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:27,644 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 04:57:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:28,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 286 states and 398 transitions. [2018-11-10 04:57:28,083 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 398 transitions. [2018-11-10 04:57:28,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 04:57:28,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:28,163 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 04:57:28,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:28,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 294 states and 407 transitions. [2018-11-10 04:57:28,302 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 407 transitions. [2018-11-10 04:57:28,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 04:57:28,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:28,437 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 04:57:28,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:28,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 299 states and 412 transitions. [2018-11-10 04:57:28,654 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 412 transitions. [2018-11-10 04:57:28,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-10 04:57:28,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:28,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 314 states and 429 transitions. [2018-11-10 04:57:28,927 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 429 transitions. [2018-11-10 04:57:28,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 04:57:28,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:29,039 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 04:57:29,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:29,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 320 states and 440 transitions. [2018-11-10 04:57:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 440 transitions. [2018-11-10 04:57:29,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 04:57:29,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:29,584 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 04:57:29,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:29,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 321 states and 440 transitions. [2018-11-10 04:57:29,726 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 440 transitions. [2018-11-10 04:57:29,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 04:57:29,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:57:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 338 states and 458 transitions. [2018-11-10 04:57:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 458 transitions. [2018-11-10 04:57:30,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 04:57:30,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:30,156 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:30,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:30,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 369 states and 494 transitions. [2018-11-10 04:57:30,595 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 494 transitions. [2018-11-10 04:57:30,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-10 04:57:30,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:30,675 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 04:57:30,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:30,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 383 states and 509 transitions. [2018-11-10 04:57:30,865 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 509 transitions. [2018-11-10 04:57:30,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 04:57:30,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:30,900 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 04:57:31,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:31,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 386 states and 513 transitions. [2018-11-10 04:57:31,075 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 513 transitions. [2018-11-10 04:57:31,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 04:57:31,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:31,309 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 04:57:31,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:31,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 400 states and 528 transitions. [2018-11-10 04:57:31,716 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 528 transitions. [2018-11-10 04:57:31,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 04:57:31,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:31,751 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:57:32,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 414 states and 550 transitions. [2018-11-10 04:57:32,234 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 550 transitions. [2018-11-10 04:57:32,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 04:57:32,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:32,270 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:57:32,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 420 states and 557 transitions. [2018-11-10 04:57:32,569 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 557 transitions. [2018-11-10 04:57:32,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 04:57:32,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:57:32,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:32,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 424 states and 561 transitions. [2018-11-10 04:57:32,747 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 561 transitions. [2018-11-10 04:57:32,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 04:57:32,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:33,052 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 04:57:34,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:34,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 432 states and 575 transitions. [2018-11-10 04:57:34,153 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 575 transitions. [2018-11-10 04:57:34,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 04:57:34,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:34,207 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 04:57:34,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:34,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 438 states and 584 transitions. [2018-11-10 04:57:34,815 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 584 transitions. [2018-11-10 04:57:34,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 04:57:34,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:34,930 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 04:57:35,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:35,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 452 states and 601 transitions. [2018-11-10 04:57:35,257 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 601 transitions. [2018-11-10 04:57:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-10 04:57:35,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 04:57:35,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:35,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 463 states and 613 transitions. [2018-11-10 04:57:35,389 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 613 transitions. [2018-11-10 04:57:35,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 04:57:35,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 04:57:37,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:37,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 510 states and 672 transitions. [2018-11-10 04:57:37,305 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 672 transitions. [2018-11-10 04:57:37,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 04:57:37,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 04:57:37,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:37,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 517 states and 678 transitions. [2018-11-10 04:57:37,902 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 678 transitions. [2018-11-10 04:57:37,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 04:57:37,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:37,923 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 04:57:38,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:38,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 539 states and 704 transitions. [2018-11-10 04:57:38,227 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 704 transitions. [2018-11-10 04:57:38,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 04:57:38,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:38,264 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-10 04:57:38,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:38,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 541 states and 706 transitions. [2018-11-10 04:57:38,427 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 706 transitions. [2018-11-10 04:57:38,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 04:57:38,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:38,459 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 04:57:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 548 states and 713 transitions. [2018-11-10 04:57:38,497 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 713 transitions. [2018-11-10 04:57:38,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 04:57:38,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:38,888 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:40,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:40,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 583 states and 759 transitions. [2018-11-10 04:57:40,243 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 759 transitions. [2018-11-10 04:57:40,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 04:57:40,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:40,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:40,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 591 states and 770 transitions. [2018-11-10 04:57:40,841 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 770 transitions. [2018-11-10 04:57:40,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 04:57:40,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:42,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:42,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 656 states and 837 transitions. [2018-11-10 04:57:42,682 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 837 transitions. [2018-11-10 04:57:42,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 04:57:42,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:42,710 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 04:57:42,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:42,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 670 states and 850 transitions. [2018-11-10 04:57:42,758 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 850 transitions. [2018-11-10 04:57:42,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 04:57:42,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:42,823 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-10 04:57:42,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:42,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 671 states and 850 transitions. [2018-11-10 04:57:42,876 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 850 transitions. [2018-11-10 04:57:42,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 04:57:42,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:43,389 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:45,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:45,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 709 states and 903 transitions. [2018-11-10 04:57:45,087 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 903 transitions. [2018-11-10 04:57:45,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 04:57:45,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:45,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:45,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 745 states and 938 transitions. [2018-11-10 04:57:45,762 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 938 transitions. [2018-11-10 04:57:45,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 04:57:45,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:45,813 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:45,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 784 states and 977 transitions. [2018-11-10 04:57:45,947 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 977 transitions. [2018-11-10 04:57:45,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 04:57:45,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:46,011 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-10 04:57:46,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 790 states and 983 transitions. [2018-11-10 04:57:46,110 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 983 transitions. [2018-11-10 04:57:46,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 04:57:46,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:46,407 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 102 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:57:47,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 797 states and 993 transitions. [2018-11-10 04:57:47,189 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 993 transitions. [2018-11-10 04:57:47,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 04:57:47,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:47,280 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 102 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:57:47,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:47,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 801 states and 998 transitions. [2018-11-10 04:57:47,501 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 998 transitions. [2018-11-10 04:57:47,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 04:57:47,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:47,629 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 102 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:57:47,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:47,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 805 states and 1003 transitions. [2018-11-10 04:57:47,861 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1003 transitions. [2018-11-10 04:57:47,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 04:57:47,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:47,961 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 04:57:48,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:48,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 823 states and 1025 transitions. [2018-11-10 04:57:48,552 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1025 transitions. [2018-11-10 04:57:48,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 04:57:48,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:48,676 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 04:57:48,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:48,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 825 states and 1028 transitions. [2018-11-10 04:57:48,929 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1028 transitions. [2018-11-10 04:57:48,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 04:57:48,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 82 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:49,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:49,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 844 states and 1053 transitions. [2018-11-10 04:57:49,889 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1053 transitions. [2018-11-10 04:57:49,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 04:57:49,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:49,930 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 04:57:50,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:50,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 846 states and 1055 transitions. [2018-11-10 04:57:50,133 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1055 transitions. [2018-11-10 04:57:50,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 04:57:50,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:50,168 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 04:57:50,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:50,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 848 states and 1057 transitions. [2018-11-10 04:57:50,431 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1057 transitions. [2018-11-10 04:57:50,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 04:57:50,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:50,467 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 04:57:50,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:50,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 850 states and 1059 transitions. [2018-11-10 04:57:50,822 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1059 transitions. [2018-11-10 04:57:50,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-10 04:57:50,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:50,881 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 04:57:51,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:51,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 915 states and 1125 transitions. [2018-11-10 04:57:51,289 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1125 transitions. [2018-11-10 04:57:51,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-10 04:57:51,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 101 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 04:57:52,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:52,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 985 states and 1202 transitions. [2018-11-10 04:57:52,700 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1202 transitions. [2018-11-10 04:57:52,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 04:57:52,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 04:57:53,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:53,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 988 states and 1205 transitions. [2018-11-10 04:57:53,110 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1205 transitions. [2018-11-10 04:57:53,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 04:57:53,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:53,803 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:55,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:55,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1030 states and 1256 transitions. [2018-11-10 04:57:55,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1256 transitions. [2018-11-10 04:57:55,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 04:57:55,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:56,017 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:56,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:56,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1036 states and 1262 transitions. [2018-11-10 04:57:56,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1262 transitions. [2018-11-10 04:57:56,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 04:57:56,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:57:59,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:57:59,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1056 states and 1294 transitions. [2018-11-10 04:57:59,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1294 transitions. [2018-11-10 04:57:59,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 04:57:59,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:57:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:57:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:58:00,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:00,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1065 states and 1306 transitions. [2018-11-10 04:58:00,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1306 transitions. [2018-11-10 04:58:00,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 04:58:00,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:00,739 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:58:01,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:01,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1067 states and 1309 transitions. [2018-11-10 04:58:01,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1309 transitions. [2018-11-10 04:58:01,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 04:58:01,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:01,246 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 160 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:58:02,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:02,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1095 states and 1343 transitions. [2018-11-10 04:58:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1343 transitions. [2018-11-10 04:58:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 04:58:02,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:03,050 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 160 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:58:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1103 states and 1351 transitions. [2018-11-10 04:58:04,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1351 transitions. [2018-11-10 04:58:04,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 04:58:04,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:04,095 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:58:04,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:04,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1119 states and 1370 transitions. [2018-11-10 04:58:04,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1370 transitions. [2018-11-10 04:58:04,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 04:58:04,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:04,857 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:58:08,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1158 states and 1423 transitions. [2018-11-10 04:58:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1423 transitions. [2018-11-10 04:58:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 04:58:08,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:08,691 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:58:10,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:10,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1180 states and 1448 transitions. [2018-11-10 04:58:10,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1448 transitions. [2018-11-10 04:58:10,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 04:58:10,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:10,138 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:58:11,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:11,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1196 states and 1470 transitions. [2018-11-10 04:58:11,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1470 transitions. [2018-11-10 04:58:11,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 04:58:11,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:58:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:12,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1210 states and 1486 transitions. [2018-11-10 04:58:12,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1486 transitions. [2018-11-10 04:58:12,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-10 04:58:12,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:12,415 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 123 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 04:58:12,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:12,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1217 states and 1494 transitions. [2018-11-10 04:58:12,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1494 transitions. [2018-11-10 04:58:12,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-10 04:58:12,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:12,736 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 123 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 04:58:13,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:13,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1222 states and 1499 transitions. [2018-11-10 04:58:13,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1499 transitions. [2018-11-10 04:58:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 04:58:13,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:13,803 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:58:15,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:15,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1237 states and 1519 transitions. [2018-11-10 04:58:15,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1519 transitions. [2018-11-10 04:58:15,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 04:58:15,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:16,505 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 196 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:58:18,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:18,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1249 states and 1536 transitions. [2018-11-10 04:58:18,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1536 transitions. [2018-11-10 04:58:18,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 04:58:18,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:18,374 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:58:18,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:18,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1263 states and 1550 transitions. [2018-11-10 04:58:18,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1550 transitions. [2018-11-10 04:58:18,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 04:58:18,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:18,544 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 196 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:58:19,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:19,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1268 states and 1558 transitions. [2018-11-10 04:58:19,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1558 transitions. [2018-11-10 04:58:19,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 04:58:19,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:19,543 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:58:19,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:19,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1269 states and 1558 transitions. [2018-11-10 04:58:19,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1558 transitions. [2018-11-10 04:58:19,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 04:58:19,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:20,990 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 04:58:24,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:24,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1317 states and 1609 transitions. [2018-11-10 04:58:24,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1609 transitions. [2018-11-10 04:58:24,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 04:58:24,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:24,160 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 04:58:24,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:24,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1317 states and 1608 transitions. [2018-11-10 04:58:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1608 transitions. [2018-11-10 04:58:24,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-10 04:58:24,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:24,788 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 04:58:25,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:25,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1388 states and 1682 transitions. [2018-11-10 04:58:25,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1682 transitions. [2018-11-10 04:58:25,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-10 04:58:25,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:25,691 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-10 04:58:26,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:26,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1459 states and 1757 transitions. [2018-11-10 04:58:26,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 1757 transitions. [2018-11-10 04:58:26,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-10 04:58:26,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:26,895 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-10 04:58:27,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1530 states and 1833 transitions. [2018-11-10 04:58:27,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 1833 transitions. [2018-11-10 04:58:27,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 04:58:27,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 04:58:30,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:30,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1544 states and 1851 transitions. [2018-11-10 04:58:30,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 1851 transitions. [2018-11-10 04:58:30,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 04:58:30,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:31,463 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-10 04:58:40,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:40,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 1682 states and 2025 transitions. [2018-11-10 04:58:40,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2025 transitions. [2018-11-10 04:58:40,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 04:58:40,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:40,913 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 04:58:42,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:42,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 1713 states and 2055 transitions. [2018-11-10 04:58:42,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2055 transitions. [2018-11-10 04:58:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 04:58:42,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:42,466 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 04:58:42,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:42,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 1717 states and 2060 transitions. [2018-11-10 04:58:42,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2060 transitions. [2018-11-10 04:58:42,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-10 04:58:42,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:43,470 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 274 proven. 50 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 04:58:46,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:46,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 1763 states and 2111 transitions. [2018-11-10 04:58:46,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2111 transitions. [2018-11-10 04:58:46,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-10 04:58:46,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 274 proven. 50 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 04:58:48,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:48,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 1799 states and 2149 transitions. [2018-11-10 04:58:48,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2149 transitions. [2018-11-10 04:58:48,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 04:58:48,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-10 04:58:54,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:54,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1838 states and 2207 transitions. [2018-11-10 04:58:54,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2207 transitions. [2018-11-10 04:58:54,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 04:58:54,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:54,222 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-10 04:58:54,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:54,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1842 states and 2212 transitions. [2018-11-10 04:58:54,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2212 transitions. [2018-11-10 04:58:54,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 04:58:54,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:55,491 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 04:58:58,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:58,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 1864 states and 2235 transitions. [2018-11-10 04:58:58,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2235 transitions. [2018-11-10 04:58:58,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 04:58:58,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 04:58:59,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:58:59,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 1865 states and 2235 transitions. [2018-11-10 04:58:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2235 transitions. [2018-11-10 04:58:59,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 04:58:59,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:58:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:58:59,570 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 04:59:00,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:00,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 1871 states and 2240 transitions. [2018-11-10 04:59:00,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2240 transitions. [2018-11-10 04:59:00,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-10 04:59:00,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:01,408 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 342 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 04:59:06,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:06,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 1900 states and 2285 transitions. [2018-11-10 04:59:06,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1900 states and 2285 transitions. [2018-11-10 04:59:06,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-10 04:59:06,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:06,583 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 342 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 04:59:08,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:08,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 1905 states and 2291 transitions. [2018-11-10 04:59:08,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2291 transitions. [2018-11-10 04:59:08,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-10 04:59:08,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:08,648 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 342 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 04:59:09,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:09,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 1907 states and 2293 transitions. [2018-11-10 04:59:09,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2293 transitions. [2018-11-10 04:59:09,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-10 04:59:09,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:09,690 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 342 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 04:59:09,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:09,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 1909 states and 2296 transitions. [2018-11-10 04:59:09,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2296 transitions. [2018-11-10 04:59:09,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-10 04:59:09,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:11,765 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 04:59:14,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:14,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 1917 states and 2308 transitions. [2018-11-10 04:59:14,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2308 transitions. [2018-11-10 04:59:14,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-10 04:59:14,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:14,614 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 04:59:16,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:16,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 1931 states and 2323 transitions. [2018-11-10 04:59:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2323 transitions. [2018-11-10 04:59:16,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-10 04:59:16,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 04:59:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:18,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 1946 states and 2339 transitions. [2018-11-10 04:59:18,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2339 transitions. [2018-11-10 04:59:18,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-10 04:59:18,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:18,696 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 04:59:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:20,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 1966 states and 2358 transitions. [2018-11-10 04:59:20,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2358 transitions. [2018-11-10 04:59:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-10 04:59:20,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:20,447 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 320 proven. 14 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-10 04:59:21,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:21,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 1971 states and 2363 transitions. [2018-11-10 04:59:21,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2363 transitions. [2018-11-10 04:59:21,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-10 04:59:21,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:22,903 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 04:59:26,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:26,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 1997 states and 2393 transitions. [2018-11-10 04:59:26,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2393 transitions. [2018-11-10 04:59:26,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-10 04:59:26,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 04:59:29,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:29,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 2027 states and 2421 transitions. [2018-11-10 04:59:29,790 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2421 transitions. [2018-11-10 04:59:29,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-10 04:59:29,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 04:59:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2033 states and 2426 transitions. [2018-11-10 04:59:30,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2426 transitions. [2018-11-10 04:59:30,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-10 04:59:30,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:31,302 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 04:59:32,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:32,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 2035 states and 2429 transitions. [2018-11-10 04:59:32,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2429 transitions. [2018-11-10 04:59:32,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-10 04:59:32,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:32,652 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 04:59:34,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:34,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2050 states and 2444 transitions. [2018-11-10 04:59:34,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2050 states and 2444 transitions. [2018-11-10 04:59:34,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-10 04:59:34,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 04:59:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:35,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 2072 states and 2466 transitions. [2018-11-10 04:59:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 2466 transitions. [2018-11-10 04:59:35,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-10 04:59:35,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:35,621 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 04:59:38,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2089 states and 2481 transitions. [2018-11-10 04:59:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2481 transitions. [2018-11-10 04:59:38,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-10 04:59:38,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:38,380 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 350 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 04:59:38,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:38,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2091 states and 2483 transitions. [2018-11-10 04:59:38,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 2483 transitions. [2018-11-10 04:59:38,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-10 04:59:38,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:38,687 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 292 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-11-10 04:59:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2163 states and 2560 transitions. [2018-11-10 04:59:42,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2560 transitions. [2018-11-10 04:59:42,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-10 04:59:42,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:42,607 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 296 proven. 6 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-11-10 04:59:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:43,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2170 states and 2570 transitions. [2018-11-10 04:59:43,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 2570 transitions. [2018-11-10 04:59:43,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-10 04:59:43,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 296 proven. 6 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-11-10 04:59:47,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:47,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2236 states and 2637 transitions. [2018-11-10 04:59:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2637 transitions. [2018-11-10 04:59:47,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-11-10 04:59:47,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:47,242 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 438 proven. 10 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-11-10 04:59:48,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:48,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2241 states and 2642 transitions. [2018-11-10 04:59:48,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 2642 transitions. [2018-11-10 04:59:48,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-10 04:59:48,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 444 proven. 12 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2018-11-10 04:59:48,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:48,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2242 states and 2643 transitions. [2018-11-10 04:59:48,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2643 transitions. [2018-11-10 04:59:48,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-10 04:59:48,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:59:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:59:48,853 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 444 proven. 12 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2018-11-10 04:59:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:59:49,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2102 states and 2491 transitions. [2018-11-10 04:59:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2491 transitions. [2018-11-10 04:59:49,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:59:49,520 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 114 iterations. [2018-11-10 04:59:49,526 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 04:59:49,640 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 33 [2018-11-10 04:59:49,882 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 49 [2018-11-10 04:59:50,134 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 49 [2018-11-10 04:59:50,347 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 47 [2018-11-10 04:59:50,497 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 25 [2018-11-10 04:59:50,603 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 37 [2018-11-10 04:59:50,749 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 49 [2018-11-10 04:59:51,019 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2018-11-10 04:59:51,126 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 37 [2018-11-10 04:59:51,301 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 37 [2018-11-10 04:59:51,408 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 37 [2018-11-10 04:59:51,628 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2018-11-10 04:59:51,857 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 49 [2018-11-10 04:59:52,092 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 47 [2018-11-10 04:59:52,266 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 47 [2018-11-10 04:59:52,890 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 25 [2018-11-10 04:59:53,255 WARN L179 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 35 [2018-11-10 04:59:53,398 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 37 [2018-11-10 04:59:53,597 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 35 [2018-11-10 04:59:53,793 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 47 [2018-11-10 04:59:53,898 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 35 [2018-11-10 04:59:54,122 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 25 [2018-11-10 04:59:54,226 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2018-11-10 04:59:54,499 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 33 [2018-11-10 04:59:54,816 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 49 [2018-11-10 04:59:55,134 WARN L179 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 67 [2018-11-10 04:59:55,512 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 49 [2018-11-10 04:59:55,723 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 47 [2018-11-10 04:59:55,895 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 47 [2018-11-10 04:59:56,019 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2018-11-10 04:59:56,156 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 47 [2018-11-10 04:59:56,156 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:59:56,158 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-11-10 04:59:56,163 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-11-10 04:59:56,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:59:56 ImpRootNode [2018-11-10 04:59:56,164 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:59:56,165 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:59:56,165 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:59:56,165 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:59:56,165 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:57:24" (3/4) ... [2018-11-10 04:59:56,168 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:59:56,179 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2018-11-10 04:59:56,180 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 04:59:56,180 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 04:59:56,181 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 04:59:56,259 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_63b5bfcf-849b-45a9-baee-2c1b5d95c5bc/bin-2019/ukojak/witness.graphml [2018-11-10 04:59:56,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:59:56,260 INFO L168 Benchmark]: Toolchain (without parser) took 154216.41 ms. Allocated memory was 1.0 GB in the beginning and 3.8 GB in the end (delta: 2.8 GB). Free memory was 952.2 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-10 04:59:56,261 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:59:56,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.67 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 921.6 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:59:56,261 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 921.6 MB in the beginning and 1.1 GB in the end (delta: -194.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:59:56,261 INFO L168 Benchmark]: Boogie Preprocessor took 41.69 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:59:56,262 INFO L168 Benchmark]: RCFGBuilder took 1689.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 873.1 MB in the end (delta: 239.5 MB). Peak memory consumption was 239.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:59:56,262 INFO L168 Benchmark]: CodeCheck took 151907.78 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 873.1 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-11-10 04:59:56,262 INFO L168 Benchmark]: Witness Printer took 94.95 ms. Allocated memory is still 3.8 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:59:56,264 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, 199 locations, 1 error locations. SAFE Result, 145.2s OverallTime, 114 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -267583276 SDtfs, 960651546 SDslu, 402720386 SDs, 0 SdLazy, 2039057780 SolverSat, -1011318300 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 311.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139619 GetRequests, 132965 SyntacticMatches, 5264 SemanticMatches, 1390 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1390343 ImplicationChecksByTransitivity, 126.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 19.2s InterpolantComputationTime, 21283 NumberOfCodeBlocks, 21283 NumberOfCodeBlocksAsserted, 113 NumberOfCheckSat, 21170 ConstructedInterpolants, 0 QuantifiedInterpolants, 33097667 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 113 InterpolantComputations, 66 PerfectInterpolantSequences, 23634/24749 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: 563]: 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: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a7 == 1) || !(a8 == 13)) || !(a16 == 5)) || !(a20 == 1)) || ((a21 <= 0 && a17 == 1) && a12 == 8) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(a16 == 5) || !(a8 == 13)) || !(a7 == 1)) || !(a20 == 1)) || ((a21 <= 0 && a17 == 1) && a12 == 8) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.67 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 921.6 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 921.6 MB in the beginning and 1.1 GB in the end (delta: -194.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.69 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1689.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 873.1 MB in the end (delta: 239.5 MB). Peak memory consumption was 239.5 MB. Max. memory is 11.5 GB. * CodeCheck took 151907.78 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 873.1 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. * Witness Printer took 94.95 ms. Allocated memory is still 3.8 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...