./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label16_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_82c50ecd-fec1-4bf2-9cd7-8729e2e3829b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_82c50ecd-fec1-4bf2-9cd7-8729e2e3829b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_82c50ecd-fec1-4bf2-9cd7-8729e2e3829b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_82c50ecd-fec1-4bf2-9cd7-8729e2e3829b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label16_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_82c50ecd-fec1-4bf2-9cd7-8729e2e3829b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_82c50ecd-fec1-4bf2-9cd7-8729e2e3829b/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 82fd55bcca66e80c1d71fa13be1c40df80f8da42 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:31:09,492 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:31:09,494 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:31:09,505 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:31:09,505 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:31:09,506 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:31:09,508 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:31:09,510 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:31:09,511 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:31:09,511 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:31:09,512 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:31:09,512 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:31:09,513 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:31:09,513 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:31:09,514 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:31:09,514 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:31:09,519 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:31:09,524 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:31:09,528 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:31:09,530 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:31:09,530 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:31:09,536 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:31:09,537 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:31:09,537 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:31:09,538 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:31:09,538 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:31:09,539 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:31:09,539 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:31:09,540 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:31:09,541 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:31:09,541 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:31:09,542 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:31:09,542 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:31:09,542 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:31:09,543 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:31:09,544 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:31:09,545 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_82c50ecd-fec1-4bf2-9cd7-8729e2e3829b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 19:31:09,557 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:31:09,557 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:31:09,558 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:31:09,559 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:31:09,559 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:31:09,559 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:31:09,560 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:31:09,560 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:31:09,560 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:31:09,560 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:31:09,560 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:31:09,560 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:31:09,561 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:31:09,561 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:31:09,561 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:31:09,561 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:31:09,561 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:31:09,562 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:31:09,562 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:31:09,562 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:31:09,562 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:31:09,562 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:31:09,562 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:31:09,563 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:31:09,563 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:31:09,565 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 19:31:09,565 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:31:09,565 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:31:09,565 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_82c50ecd-fec1-4bf2-9cd7-8729e2e3829b/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 -> 82fd55bcca66e80c1d71fa13be1c40df80f8da42 [2018-10-26 19:31:09,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:31:09,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:31:09,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:31:09,619 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:31:09,620 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:31:09,620 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_82c50ecd-fec1-4bf2-9cd7-8729e2e3829b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label16_true-unreach-call_false-termination.c [2018-10-26 19:31:09,669 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82c50ecd-fec1-4bf2-9cd7-8729e2e3829b/bin-2019/ukojak/data/41a247feb/be8ce7938966433199a48260cc50f35e/FLAGd66cd1ef8 [2018-10-26 19:31:10,152 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:31:10,154 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_82c50ecd-fec1-4bf2-9cd7-8729e2e3829b/sv-benchmarks/c/eca-rers2012/Problem01_label16_true-unreach-call_false-termination.c [2018-10-26 19:31:10,164 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82c50ecd-fec1-4bf2-9cd7-8729e2e3829b/bin-2019/ukojak/data/41a247feb/be8ce7938966433199a48260cc50f35e/FLAGd66cd1ef8 [2018-10-26 19:31:10,180 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_82c50ecd-fec1-4bf2-9cd7-8729e2e3829b/bin-2019/ukojak/data/41a247feb/be8ce7938966433199a48260cc50f35e [2018-10-26 19:31:10,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:31:10,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:31:10,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:31:10,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:31:10,190 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:31:10,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:31:10" (1/1) ... [2018-10-26 19:31:10,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7169d7ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:31:10, skipping insertion in model container [2018-10-26 19:31:10,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:31:10" (1/1) ... [2018-10-26 19:31:10,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:31:10,255 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:31:10,628 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:31:10,637 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:31:10,727 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:31:10,743 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:31:10,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:31:10 WrapperNode [2018-10-26 19:31:10,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:31:10,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:31:10,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:31:10,745 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:31:10,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:31:10" (1/1) ... [2018-10-26 19:31:10,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:31:10" (1/1) ... [2018-10-26 19:31:10,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:31:10,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:31:10,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:31:10,910 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:31:10,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:31:10" (1/1) ... [2018-10-26 19:31:10,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:31:10" (1/1) ... [2018-10-26 19:31:10,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:31:10" (1/1) ... [2018-10-26 19:31:10,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:31:10" (1/1) ... [2018-10-26 19:31:10,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:31:10" (1/1) ... [2018-10-26 19:31:10,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:31:10" (1/1) ... [2018-10-26 19:31:10,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:31:10" (1/1) ... [2018-10-26 19:31:10,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:31:10,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:31:10,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:31:10,986 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:31:10,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:31:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82c50ecd-fec1-4bf2-9cd7-8729e2e3829b/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:31:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 19:31:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:31:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:31:15,560 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:31:15,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:31:15 BoogieIcfgContainer [2018-10-26 19:31:15,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:31:15,561 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:31:15,561 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:31:15,575 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:31:15,575 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:31:15" (1/1) ... [2018-10-26 19:31:15,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:31:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:15,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-10-26 19:31:15,649 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-10-26 19:31:15,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 19:31:15,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:16,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:17,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:17,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 147 states and 223 transitions. [2018-10-26 19:31:17,056 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2018-10-26 19:31:17,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 19:31:17,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:18,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 218 states and 317 transitions. [2018-10-26 19:31:18,006 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 317 transitions. [2018-10-26 19:31:18,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-26 19:31:18,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:18,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:18,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 224 states and 330 transitions. [2018-10-26 19:31:18,299 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 330 transitions. [2018-10-26 19:31:18,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 19:31:18,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:18,706 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:19,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:19,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 295 states and 413 transitions. [2018-10-26 19:31:19,377 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 413 transitions. [2018-10-26 19:31:19,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-26 19:31:19,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:19,674 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:19,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:19,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 298 states and 417 transitions. [2018-10-26 19:31:19,695 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 417 transitions. [2018-10-26 19:31:19,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 19:31:19,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:20,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:20,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 309 states and 435 transitions. [2018-10-26 19:31:20,685 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 435 transitions. [2018-10-26 19:31:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-26 19:31:20,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:20,766 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:20,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:20,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 310 states and 437 transitions. [2018-10-26 19:31:20,865 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2018-10-26 19:31:20,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 19:31:20,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:20,913 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:21,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:21,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 315 states and 445 transitions. [2018-10-26 19:31:21,127 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 445 transitions. [2018-10-26 19:31:21,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 19:31:21,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:21,500 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:21,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:21,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 320 states and 451 transitions. [2018-10-26 19:31:21,892 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 451 transitions. [2018-10-26 19:31:21,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 19:31:21,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:21,958 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:31:22,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:22,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 332 states and 474 transitions. [2018-10-26 19:31:22,601 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 474 transitions. [2018-10-26 19:31:22,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 19:31:22,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:31:22,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:22,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 336 states and 479 transitions. [2018-10-26 19:31:22,870 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 479 transitions. [2018-10-26 19:31:22,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-26 19:31:22,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:23,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:23,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 337 states and 481 transitions. [2018-10-26 19:31:23,272 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 481 transitions. [2018-10-26 19:31:23,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-26 19:31:23,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:23,300 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:31:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:24,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 342 states and 490 transitions. [2018-10-26 19:31:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 490 transitions. [2018-10-26 19:31:24,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-26 19:31:24,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:24,555 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:31:24,949 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 19:31:25,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:25,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 349 states and 498 transitions. [2018-10-26 19:31:25,318 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 498 transitions. [2018-10-26 19:31:25,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 19:31:25,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:25,457 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:26,311 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-26 19:31:26,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:26,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 360 states and 514 transitions. [2018-10-26 19:31:26,456 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 514 transitions. [2018-10-26 19:31:26,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 19:31:26,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:26,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:26,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 361 states and 515 transitions. [2018-10-26 19:31:26,706 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 515 transitions. [2018-10-26 19:31:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 19:31:26,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:26,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:26,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 365 states and 519 transitions. [2018-10-26 19:31:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 519 transitions. [2018-10-26 19:31:26,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 19:31:26,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:26,901 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:26,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 373 states and 528 transitions. [2018-10-26 19:31:26,973 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 528 transitions. [2018-10-26 19:31:26,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 19:31:26,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:31:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:27,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 393 states and 557 transitions. [2018-10-26 19:31:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 557 transitions. [2018-10-26 19:31:27,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 19:31:27,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:27,517 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:27,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:27,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 394 states and 558 transitions. [2018-10-26 19:31:27,618 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 558 transitions. [2018-10-26 19:31:27,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 19:31:27,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:31:28,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:28,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 409 states and 577 transitions. [2018-10-26 19:31:28,356 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 577 transitions. [2018-10-26 19:31:28,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-26 19:31:28,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:28,534 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:29,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:29,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 428 states and 600 transitions. [2018-10-26 19:31:29,048 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 600 transitions. [2018-10-26 19:31:29,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 19:31:29,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:29,074 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 19:31:29,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 430 states and 602 transitions. [2018-10-26 19:31:29,110 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 602 transitions. [2018-10-26 19:31:29,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 19:31:29,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:29,141 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:29,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:29,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 437 states and 610 transitions. [2018-10-26 19:31:29,293 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 610 transitions. [2018-10-26 19:31:29,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 19:31:29,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:29,905 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:30,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:30,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 439 states and 613 transitions. [2018-10-26 19:31:30,221 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 613 transitions. [2018-10-26 19:31:30,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 19:31:30,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:30,252 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:30,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:30,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 440 states and 615 transitions. [2018-10-26 19:31:30,374 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 615 transitions. [2018-10-26 19:31:30,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-26 19:31:30,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:30,408 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:31:31,404 WARN L179 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-10-26 19:31:32,551 WARN L179 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2018-10-26 19:31:33,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:33,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 459 states and 636 transitions. [2018-10-26 19:31:33,530 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 636 transitions. [2018-10-26 19:31:33,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-26 19:31:33,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:33,561 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:31:34,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:34,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 463 states and 639 transitions. [2018-10-26 19:31:34,576 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 639 transitions. [2018-10-26 19:31:34,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 19:31:34,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:34,600 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 19:31:34,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:34,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 466 states and 643 transitions. [2018-10-26 19:31:34,792 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 643 transitions. [2018-10-26 19:31:34,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 19:31:34,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:34,828 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:35,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:35,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 483 states and 662 transitions. [2018-10-26 19:31:35,453 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 662 transitions. [2018-10-26 19:31:35,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 19:31:35,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:35,489 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:35,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 487 states and 665 transitions. [2018-10-26 19:31:35,894 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 665 transitions. [2018-10-26 19:31:35,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 19:31:35,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:35,942 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:36,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:36,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 492 states and 671 transitions. [2018-10-26 19:31:36,723 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 671 transitions. [2018-10-26 19:31:36,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 19:31:36,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:40,250 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:40,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:40,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 523 states and 708 transitions. [2018-10-26 19:31:40,953 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 708 transitions. [2018-10-26 19:31:40,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 19:31:40,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:40,997 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 19:31:41,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:41,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 531 states and 716 transitions. [2018-10-26 19:31:41,439 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 716 transitions. [2018-10-26 19:31:41,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 19:31:41,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:41,469 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 19:31:42,247 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 19:31:42,715 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 19:31:44,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:44,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 536 states and 722 transitions. [2018-10-26 19:31:44,307 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 722 transitions. [2018-10-26 19:31:44,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 19:31:44,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:44,336 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 19:31:44,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:44,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 544 states and 730 transitions. [2018-10-26 19:31:44,829 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 730 transitions. [2018-10-26 19:31:44,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 19:31:44,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:45,298 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 19:31:46,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:46,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 575 states and 766 transitions. [2018-10-26 19:31:46,579 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 766 transitions. [2018-10-26 19:31:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 19:31:46,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:46,605 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 19:31:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:47,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 576 states and 768 transitions. [2018-10-26 19:31:47,238 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 768 transitions. [2018-10-26 19:31:47,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 19:31:47,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:47,272 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:31:48,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:48,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 590 states and 792 transitions. [2018-10-26 19:31:48,100 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 792 transitions. [2018-10-26 19:31:48,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 19:31:48,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:48,134 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:31:48,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:48,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 594 states and 799 transitions. [2018-10-26 19:31:48,339 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 799 transitions. [2018-10-26 19:31:48,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 19:31:48,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:48,374 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:31:48,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:48,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 599 states and 805 transitions. [2018-10-26 19:31:48,930 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 805 transitions. [2018-10-26 19:31:48,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 19:31:48,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:48,966 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:31:49,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:49,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 603 states and 811 transitions. [2018-10-26 19:31:49,248 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 811 transitions. [2018-10-26 19:31:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-26 19:31:49,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:49,328 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:31:50,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:50,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 613 states and 829 transitions. [2018-10-26 19:31:50,287 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 829 transitions. [2018-10-26 19:31:50,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-26 19:31:50,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:50,319 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:31:50,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:50,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 622 states and 841 transitions. [2018-10-26 19:31:50,819 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 841 transitions. [2018-10-26 19:31:50,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-26 19:31:50,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:50,842 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 19:31:51,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:51,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 631 states and 851 transitions. [2018-10-26 19:31:51,224 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 851 transitions. [2018-10-26 19:31:51,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 19:31:51,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 19:31:52,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:52,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 666 states and 889 transitions. [2018-10-26 19:31:52,283 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 889 transitions. [2018-10-26 19:31:52,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 19:31:52,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:52,311 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 19:31:52,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:52,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 676 states and 901 transitions. [2018-10-26 19:31:52,520 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 901 transitions. [2018-10-26 19:31:52,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-26 19:31:52,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:52,549 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 19:31:52,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:52,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 689 states and 914 transitions. [2018-10-26 19:31:52,882 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 914 transitions. [2018-10-26 19:31:52,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-26 19:31:52,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:53,187 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 19:31:54,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:54,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 731 states and 958 transitions. [2018-10-26 19:31:54,600 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 958 transitions. [2018-10-26 19:31:54,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 19:31:54,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:54,930 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 19:31:56,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:56,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 741 states and 976 transitions. [2018-10-26 19:31:56,572 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 976 transitions. [2018-10-26 19:31:56,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 19:31:56,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 19:31:57,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:57,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 745 states and 981 transitions. [2018-10-26 19:31:57,470 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 981 transitions. [2018-10-26 19:31:57,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 19:31:57,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:57,550 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 19:31:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 749 states and 989 transitions. [2018-10-26 19:31:57,964 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 989 transitions. [2018-10-26 19:31:57,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 19:31:57,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 19:31:58,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:58,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 753 states and 993 transitions. [2018-10-26 19:31:58,299 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 993 transitions. [2018-10-26 19:31:58,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 19:31:58,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:58,586 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 19:31:58,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:58,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 757 states and 998 transitions. [2018-10-26 19:31:58,808 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 998 transitions. [2018-10-26 19:31:58,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 19:31:58,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:32:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:02,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 807 states and 1062 transitions. [2018-10-26 19:32:02,950 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1062 transitions. [2018-10-26 19:32:02,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 19:32:02,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:03,468 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:32:05,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:05,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 837 states and 1096 transitions. [2018-10-26 19:32:05,611 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1096 transitions. [2018-10-26 19:32:05,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 19:32:05,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:05,733 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:32:05,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:05,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 841 states and 1100 transitions. [2018-10-26 19:32:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1100 transitions. [2018-10-26 19:32:05,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 19:32:05,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:06,665 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 19:32:07,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:07,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 853 states and 1120 transitions. [2018-10-26 19:32:07,971 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1120 transitions. [2018-10-26 19:32:07,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 19:32:07,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:08,088 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 19:32:08,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:08,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 859 states and 1127 transitions. [2018-10-26 19:32:08,209 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1127 transitions. [2018-10-26 19:32:08,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 19:32:08,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:08,298 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 19:32:09,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:09,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 875 states and 1148 transitions. [2018-10-26 19:32:09,352 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1148 transitions. [2018-10-26 19:32:09,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 19:32:09,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:09,390 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 19:32:09,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 886 states and 1158 transitions. [2018-10-26 19:32:09,774 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1158 transitions. [2018-10-26 19:32:09,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 19:32:09,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:09,806 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 19:32:09,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:09,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 891 states and 1165 transitions. [2018-10-26 19:32:09,897 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1165 transitions. [2018-10-26 19:32:09,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 19:32:09,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 19:32:09,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:09,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 898 states and 1172 transitions. [2018-10-26 19:32:09,958 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1172 transitions. [2018-10-26 19:32:09,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 19:32:09,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:10,572 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:32:12,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:12,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 924 states and 1206 transitions. [2018-10-26 19:32:12,910 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1206 transitions. [2018-10-26 19:32:12,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 19:32:12,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:12,981 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:32:13,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 928 states and 1210 transitions. [2018-10-26 19:32:13,576 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1210 transitions. [2018-10-26 19:32:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 19:32:13,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:13,606 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 19:32:14,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:14,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 942 states and 1226 transitions. [2018-10-26 19:32:14,042 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1226 transitions. [2018-10-26 19:32:14,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 19:32:14,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:14,132 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:32:14,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:14,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 953 states and 1241 transitions. [2018-10-26 19:32:14,490 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1241 transitions. [2018-10-26 19:32:14,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 19:32:14,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:14,542 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 19:32:15,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:15,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 964 states and 1255 transitions. [2018-10-26 19:32:15,106 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1255 transitions. [2018-10-26 19:32:15,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 19:32:15,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:15,176 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-26 19:32:15,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:15,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 965 states and 1261 transitions. [2018-10-26 19:32:15,277 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1261 transitions. [2018-10-26 19:32:15,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-26 19:32:15,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:15,354 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-26 19:32:15,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:15,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 971 states and 1273 transitions. [2018-10-26 19:32:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1273 transitions. [2018-10-26 19:32:15,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 19:32:15,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:15,940 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 19:32:16,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:16,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 981 states and 1290 transitions. [2018-10-26 19:32:16,843 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1290 transitions. [2018-10-26 19:32:16,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-26 19:32:16,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:16,986 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 19:32:18,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:18,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1008 states and 1333 transitions. [2018-10-26 19:32:18,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1333 transitions. [2018-10-26 19:32:18,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-26 19:32:18,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 19:32:19,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:19,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1013 states and 1344 transitions. [2018-10-26 19:32:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1344 transitions. [2018-10-26 19:32:19,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 19:32:19,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:19,327 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 19:32:22,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:22,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1064 states and 1405 transitions. [2018-10-26 19:32:22,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1405 transitions. [2018-10-26 19:32:22,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 19:32:22,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:22,896 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 19:32:23,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:23,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1100 states and 1441 transitions. [2018-10-26 19:32:23,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1441 transitions. [2018-10-26 19:32:23,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 19:32:23,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-26 19:32:24,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:24,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1127 states and 1473 transitions. [2018-10-26 19:32:24,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1473 transitions. [2018-10-26 19:32:24,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 19:32:24,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:24,649 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-26 19:32:25,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:25,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1132 states and 1481 transitions. [2018-10-26 19:32:25,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1481 transitions. [2018-10-26 19:32:25,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 19:32:25,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:25,283 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-26 19:32:25,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1137 states and 1491 transitions. [2018-10-26 19:32:25,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1491 transitions. [2018-10-26 19:32:25,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 19:32:25,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 19:32:26,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:26,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1142 states and 1498 transitions. [2018-10-26 19:32:26,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1498 transitions. [2018-10-26 19:32:26,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 19:32:26,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 19:32:27,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:27,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1161 states and 1525 transitions. [2018-10-26 19:32:27,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1525 transitions. [2018-10-26 19:32:27,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 19:32:27,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:27,947 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 19:32:28,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:28,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1164 states and 1527 transitions. [2018-10-26 19:32:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1527 transitions. [2018-10-26 19:32:28,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 19:32:28,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:28,158 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-26 19:32:28,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:28,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1177 states and 1544 transitions. [2018-10-26 19:32:28,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1544 transitions. [2018-10-26 19:32:28,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 19:32:28,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:28,806 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-26 19:32:29,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:29,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1181 states and 1548 transitions. [2018-10-26 19:32:29,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1548 transitions. [2018-10-26 19:32:29,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 19:32:29,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-26 19:32:29,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:29,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1183 states and 1551 transitions. [2018-10-26 19:32:29,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1551 transitions. [2018-10-26 19:32:29,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 19:32:29,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:29,806 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 135 proven. 4 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 19:32:30,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:30,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1187 states and 1555 transitions. [2018-10-26 19:32:30,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1555 transitions. [2018-10-26 19:32:30,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 19:32:30,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:30,305 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 19:32:30,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:30,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1192 states and 1560 transitions. [2018-10-26 19:32:30,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1560 transitions. [2018-10-26 19:32:30,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 19:32:30,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:31,332 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 165 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 19:32:32,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:32,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1239 states and 1612 transitions. [2018-10-26 19:32:32,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1612 transitions. [2018-10-26 19:32:32,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 19:32:32,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:33,099 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 165 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 19:32:34,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:34,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1256 states and 1633 transitions. [2018-10-26 19:32:34,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1633 transitions. [2018-10-26 19:32:34,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 19:32:34,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:35,008 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 216 proven. 27 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 19:32:36,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:36,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1262 states and 1644 transitions. [2018-10-26 19:32:36,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1644 transitions. [2018-10-26 19:32:36,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 19:32:36,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:36,550 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 216 proven. 27 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 19:32:37,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:37,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1271 states and 1660 transitions. [2018-10-26 19:32:37,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1660 transitions. [2018-10-26 19:32:37,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 19:32:37,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:37,421 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 19:32:39,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1298 states and 1693 transitions. [2018-10-26 19:32:39,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1693 transitions. [2018-10-26 19:32:39,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 19:32:39,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:39,322 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 19:32:39,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:39,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1301 states and 1695 transitions. [2018-10-26 19:32:39,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1695 transitions. [2018-10-26 19:32:39,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-26 19:32:39,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:39,697 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:32:43,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1332 states and 1736 transitions. [2018-10-26 19:32:43,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1736 transitions. [2018-10-26 19:32:43,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-26 19:32:43,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-26 19:32:44,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:44,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1337 states and 1745 transitions. [2018-10-26 19:32:44,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1745 transitions. [2018-10-26 19:32:44,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 19:32:44,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-26 19:32:50,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:50,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1383 states and 1798 transitions. [2018-10-26 19:32:50,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1798 transitions. [2018-10-26 19:32:50,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 19:32:50,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:50,539 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-26 19:32:51,605 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-26 19:32:51,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:51,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1385 states and 1798 transitions. [2018-10-26 19:32:51,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1798 transitions. [2018-10-26 19:32:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 19:32:51,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:52,244 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 150 proven. 11 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-26 19:32:54,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:54,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1419 states and 1848 transitions. [2018-10-26 19:32:54,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1848 transitions. [2018-10-26 19:32:54,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-26 19:32:54,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:54,629 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-26 19:32:56,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:56,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1428 states and 1857 transitions. [2018-10-26 19:32:56,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1857 transitions. [2018-10-26 19:32:56,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-26 19:32:56,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-26 19:32:58,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:58,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1462 states and 1896 transitions. [2018-10-26 19:32:58,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1896 transitions. [2018-10-26 19:32:58,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-26 19:32:58,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:58,926 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-26 19:33:00,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1472 states and 1906 transitions. [2018-10-26 19:33:00,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1906 transitions. [2018-10-26 19:33:00,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 19:33:00,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:00,612 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 19:33:01,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:01,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1477 states and 1911 transitions. [2018-10-26 19:33:01,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1911 transitions. [2018-10-26 19:33:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-26 19:33:01,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:01,503 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 19:33:03,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:03,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1535 states and 1971 transitions. [2018-10-26 19:33:03,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1971 transitions. [2018-10-26 19:33:03,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-26 19:33:03,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:03,475 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-26 19:33:04,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:04,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1540 states and 1977 transitions. [2018-10-26 19:33:04,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1977 transitions. [2018-10-26 19:33:04,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-26 19:33:04,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:06,927 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 19:33:11,601 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2018-10-26 19:33:15,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:15,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 1597 states and 2048 transitions. [2018-10-26 19:33:15,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2048 transitions. [2018-10-26 19:33:15,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-26 19:33:15,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:15,382 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 19:33:18,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 1621 states and 2078 transitions. [2018-10-26 19:33:18,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 2078 transitions. [2018-10-26 19:33:18,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-26 19:33:18,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:19,113 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 19:33:19,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:19,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1630 states and 2087 transitions. [2018-10-26 19:33:19,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 2087 transitions. [2018-10-26 19:33:19,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-26 19:33:19,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:20,201 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 19:33:21,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:21,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 1634 states and 2092 transitions. [2018-10-26 19:33:21,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2092 transitions. [2018-10-26 19:33:21,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-26 19:33:21,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:21,467 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 19:33:22,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:22,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1643 states and 2101 transitions. [2018-10-26 19:33:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 2101 transitions. [2018-10-26 19:33:22,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-26 19:33:22,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:23,116 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 19:33:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:23,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 1656 states and 2113 transitions. [2018-10-26 19:33:23,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2113 transitions. [2018-10-26 19:33:23,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-26 19:33:23,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:23,650 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-10-26 19:33:25,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:25,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 1687 states and 2146 transitions. [2018-10-26 19:33:25,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2146 transitions. [2018-10-26 19:33:25,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-26 19:33:25,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:25,141 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-10-26 19:33:25,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:25,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 1690 states and 2151 transitions. [2018-10-26 19:33:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2151 transitions. [2018-10-26 19:33:25,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-26 19:33:25,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:25,473 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-10-26 19:33:25,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:25,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1702 states and 2161 transitions. [2018-10-26 19:33:25,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2161 transitions. [2018-10-26 19:33:25,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-26 19:33:25,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:26,050 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-26 19:33:26,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:26,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 1704 states and 2166 transitions. [2018-10-26 19:33:26,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2166 transitions. [2018-10-26 19:33:26,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-26 19:33:26,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:26,567 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-26 19:33:27,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:27,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1725 states and 2187 transitions. [2018-10-26 19:33:27,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2187 transitions. [2018-10-26 19:33:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-10-26 19:33:27,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-10-26 19:33:29,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:29,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1730 states and 2191 transitions. [2018-10-26 19:33:29,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2191 transitions. [2018-10-26 19:33:29,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 19:33:29,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:29,228 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 19:33:29,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:29,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 1753 states and 2216 transitions. [2018-10-26 19:33:29,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2216 transitions. [2018-10-26 19:33:29,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:33:29,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:29,830 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 19:33:32,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:32,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 1824 states and 2292 transitions. [2018-10-26 19:33:32,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2292 transitions. [2018-10-26 19:33:32,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:33:32,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:32,541 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 19:33:33,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:33,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 1849 states and 2318 transitions. [2018-10-26 19:33:33,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2318 transitions. [2018-10-26 19:33:33,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:33:33,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:33,955 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-26 19:33:44,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:44,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 1904 states and 2406 transitions. [2018-10-26 19:33:44,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2406 transitions. [2018-10-26 19:33:44,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:33:44,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:44,329 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-26 19:33:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:49,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 1958 states and 2480 transitions. [2018-10-26 19:33:49,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 2480 transitions. [2018-10-26 19:33:49,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:33:49,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:49,491 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-26 19:33:50,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:50,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 1972 states and 2497 transitions. [2018-10-26 19:33:50,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2497 transitions. [2018-10-26 19:33:50,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:33:50,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:50,680 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-26 19:33:53,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:53,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2036 states and 2570 transitions. [2018-10-26 19:33:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2570 transitions. [2018-10-26 19:33:53,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:33:53,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-26 19:33:56,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:56,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2070 states and 2607 transitions. [2018-10-26 19:33:56,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2607 transitions. [2018-10-26 19:33:56,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:33:56,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:56,480 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-26 19:33:59,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:59,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2102 states and 2642 transitions. [2018-10-26 19:33:59,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2642 transitions. [2018-10-26 19:33:59,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:33:59,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:59,880 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-26 19:34:00,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:00,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2106 states and 2645 transitions. [2018-10-26 19:34:00,404 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 2645 transitions. [2018-10-26 19:34:00,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:34:00,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:00,524 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-26 19:34:01,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:01,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2114 states and 2654 transitions. [2018-10-26 19:34:01,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2654 transitions. [2018-10-26 19:34:01,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:34:01,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-26 19:34:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2125 states and 2662 transitions. [2018-10-26 19:34:03,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2662 transitions. [2018-10-26 19:34:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:34:03,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:03,939 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-26 19:34:05,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:05,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 2142 states and 2678 transitions. [2018-10-26 19:34:05,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2678 transitions. [2018-10-26 19:34:05,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:34:05,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:05,950 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-26 19:34:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:06,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 2143 states and 2678 transitions. [2018-10-26 19:34:06,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2143 states and 2678 transitions. [2018-10-26 19:34:06,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:34:06,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:06,411 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-26 19:34:06,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:06,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 2144 states and 2678 transitions. [2018-10-26 19:34:06,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 2678 transitions. [2018-10-26 19:34:06,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:34:06,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:06,948 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-26 19:34:06,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:06,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 2145 states and 2678 transitions. [2018-10-26 19:34:06,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2678 transitions. [2018-10-26 19:34:06,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:34:06,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:07,069 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-26 19:34:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:07,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2147 states and 2679 transitions. [2018-10-26 19:34:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 2679 transitions. [2018-10-26 19:34:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 19:34:07,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-10-26 19:34:10,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:10,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2160 states and 2698 transitions. [2018-10-26 19:34:10,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 2698 transitions. [2018-10-26 19:34:10,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 19:34:10,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:11,061 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-10-26 19:34:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:12,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 2164 states and 2703 transitions. [2018-10-26 19:34:12,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2164 states and 2703 transitions. [2018-10-26 19:34:12,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-10-26 19:34:12,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-10-26 19:34:14,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:14,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2174 states and 2715 transitions. [2018-10-26 19:34:14,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 2715 transitions. [2018-10-26 19:34:14,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-10-26 19:34:14,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:14,527 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-10-26 19:34:16,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:16,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2185 states and 2725 transitions. [2018-10-26 19:34:16,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2725 transitions. [2018-10-26 19:34:16,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-10-26 19:34:16,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:16,830 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-10-26 19:34:17,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:17,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2186 states and 2725 transitions. [2018-10-26 19:34:17,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2725 transitions. [2018-10-26 19:34:17,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-26 19:34:17,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:18,450 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 220 proven. 14 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-10-26 19:34:21,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 2191 states and 2732 transitions. [2018-10-26 19:34:21,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2732 transitions. [2018-10-26 19:34:21,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-26 19:34:21,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:22,132 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 220 proven. 14 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-10-26 19:34:24,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:24,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2206 states and 2747 transitions. [2018-10-26 19:34:24,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2747 transitions. [2018-10-26 19:34:24,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-26 19:34:24,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:24,384 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-10-26 19:34:25,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:25,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2216 states and 2759 transitions. [2018-10-26 19:34:25,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2759 transitions. [2018-10-26 19:34:25,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-10-26 19:34:25,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-26 19:34:32,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:32,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2221 states and 2767 transitions. [2018-10-26 19:34:32,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 2767 transitions. [2018-10-26 19:34:32,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-10-26 19:34:32,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:32,243 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-26 19:34:33,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:33,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2225 states and 2772 transitions. [2018-10-26 19:34:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 2772 transitions. [2018-10-26 19:34:33,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:34:33,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:33,558 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:34:35,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:35,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2235 states and 2785 transitions. [2018-10-26 19:34:35,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2785 transitions. [2018-10-26 19:34:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:34:35,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:35,169 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:34:36,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:36,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2240 states and 2791 transitions. [2018-10-26 19:34:36,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2791 transitions. [2018-10-26 19:34:36,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:34:36,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:34:37,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:37,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2244 states and 2797 transitions. [2018-10-26 19:34:37,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 2797 transitions. [2018-10-26 19:34:37,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:34:37,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:37,613 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:34:38,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:38,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2248 states and 2801 transitions. [2018-10-26 19:34:38,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2248 states and 2801 transitions. [2018-10-26 19:34:38,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:34:38,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:38,721 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:34:39,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:39,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2255 states and 2808 transitions. [2018-10-26 19:34:39,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2808 transitions. [2018-10-26 19:34:39,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 19:34:39,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-26 19:34:41,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:41,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 2267 states and 2832 transitions. [2018-10-26 19:34:41,824 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2832 transitions. [2018-10-26 19:34:41,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 19:34:41,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-26 19:34:42,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:42,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2271 states and 2839 transitions. [2018-10-26 19:34:42,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 2839 transitions. [2018-10-26 19:34:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 19:34:42,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:43,957 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 303 proven. 41 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-26 19:34:50,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:50,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2302 states and 2882 transitions. [2018-10-26 19:34:50,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 2882 transitions. [2018-10-26 19:34:50,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 19:34:50,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:50,627 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 303 proven. 41 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-26 19:34:53,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:53,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2310 states and 2895 transitions. [2018-10-26 19:34:53,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 2895 transitions. [2018-10-26 19:34:53,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 19:34:53,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:53,644 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 303 proven. 41 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-26 19:34:54,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:54,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2315 states and 2900 transitions. [2018-10-26 19:34:54,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 2900 transitions. [2018-10-26 19:34:54,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 19:34:54,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:54,825 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 303 proven. 41 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-26 19:34:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2322 states and 2906 transitions. [2018-10-26 19:34:55,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2906 transitions. [2018-10-26 19:34:55,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-26 19:34:55,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:55,330 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2018-10-26 19:34:58,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:34:58,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2332 states and 2920 transitions. [2018-10-26 19:34:58,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2332 states and 2920 transitions. [2018-10-26 19:34:58,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-26 19:34:58,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:34:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:34:58,326 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2018-10-26 19:35:00,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:00,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2336 states and 2925 transitions. [2018-10-26 19:35:00,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 2925 transitions. [2018-10-26 19:35:00,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-10-26 19:35:00,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:00,288 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-10-26 19:35:01,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:01,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2340 states and 2930 transitions. [2018-10-26 19:35:01,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 2930 transitions. [2018-10-26 19:35:01,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-26 19:35:01,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:03,152 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 321 proven. 42 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-26 19:35:12,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:12,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2371 states and 2982 transitions. [2018-10-26 19:35:12,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 2982 transitions. [2018-10-26 19:35:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-26 19:35:12,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:12,652 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 321 proven. 42 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-26 19:35:18,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:18,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 2392 states and 3008 transitions. [2018-10-26 19:35:18,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3008 transitions. [2018-10-26 19:35:18,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-26 19:35:18,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:18,397 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 321 proven. 42 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-26 19:35:19,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:19,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3014 states to 2399 states and 3014 transitions. [2018-10-26 19:35:19,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2399 states and 3014 transitions. [2018-10-26 19:35:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:35:19,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:20,645 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 328 proven. 34 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-26 19:35:24,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:24,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 2414 states and 3032 transitions. [2018-10-26 19:35:24,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3032 transitions. [2018-10-26 19:35:24,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:35:24,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:24,332 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 328 proven. 34 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-26 19:35:27,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:27,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 2439 states and 3055 transitions. [2018-10-26 19:35:27,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3055 transitions. [2018-10-26 19:35:27,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:35:27,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-10-26 19:35:28,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:28,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 2461 states and 3076 transitions. [2018-10-26 19:35:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 3076 transitions. [2018-10-26 19:35:28,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:35:28,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:28,209 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-10-26 19:35:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:28,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 2470 states and 3085 transitions. [2018-10-26 19:35:28,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2470 states and 3085 transitions. [2018-10-26 19:35:28,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:35:28,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-10-26 19:35:28,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:28,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 2472 states and 3086 transitions. [2018-10-26 19:35:28,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 3086 transitions. [2018-10-26 19:35:28,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 19:35:28,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:30,000 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-10-26 19:35:30,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:30,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 2473 states and 3088 transitions. [2018-10-26 19:35:30,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 3088 transitions. [2018-10-26 19:35:30,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 19:35:30,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:31,037 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-10-26 19:35:31,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:31,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 2474 states and 3091 transitions. [2018-10-26 19:35:31,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3091 transitions. [2018-10-26 19:35:31,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-10-26 19:35:31,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:32,300 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 263 proven. 10 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-10-26 19:35:34,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:34,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3182 states to 2559 states and 3182 transitions. [2018-10-26 19:35:34,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 3182 transitions. [2018-10-26 19:35:34,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-26 19:35:34,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:34,845 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 19:35:35,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:35,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 2565 states and 3189 transitions. [2018-10-26 19:35:35,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3189 transitions. [2018-10-26 19:35:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-10-26 19:35:35,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 396 proven. 175 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-10-26 19:35:44,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:44,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 2633 states and 3281 transitions. [2018-10-26 19:35:44,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3281 transitions. [2018-10-26 19:35:44,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-10-26 19:35:44,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:45,013 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2018-10-26 19:35:45,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:45,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3286 states to 2638 states and 3286 transitions. [2018-10-26 19:35:45,472 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 3286 transitions. [2018-10-26 19:35:45,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-10-26 19:35:45,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:45,549 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 19:35:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:47,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3295 states to 2647 states and 3295 transitions. [2018-10-26 19:35:47,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3295 transitions. [2018-10-26 19:35:47,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-10-26 19:35:47,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:47,779 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2018-10-26 19:35:49,245 WARN L179 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-26 19:35:49,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:49,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 2657 states and 3304 transitions. [2018-10-26 19:35:49,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 3304 transitions. [2018-10-26 19:35:49,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-10-26 19:35:49,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:53,683 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 608 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-10-26 19:36:19,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 2674 states and 3381 transitions. [2018-10-26 19:36:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3381 transitions. [2018-10-26 19:36:19,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:36:19,611 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 174 iterations. [2018-10-26 19:36:19,619 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 19:36:19,737 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 30 [2018-10-26 19:36:19,982 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 37 [2018-10-26 19:36:20,210 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 35 [2018-10-26 19:36:20,385 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 34 [2018-10-26 19:36:20,703 WARN L179 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 25 [2018-10-26 19:36:20,944 WARN L179 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 37 [2018-10-26 19:36:21,122 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 37 [2018-10-26 19:36:21,370 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 25 [2018-10-26 19:36:21,499 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 34 [2018-10-26 19:36:21,738 WARN L179 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 37 [2018-10-26 19:36:21,947 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 37 [2018-10-26 19:36:22,101 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 37 [2018-10-26 19:36:22,293 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 32 [2018-10-26 19:36:22,523 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 37 [2018-10-26 19:36:22,752 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 35 [2018-10-26 19:36:22,900 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 34 [2018-10-26 19:36:23,646 WARN L179 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 25 [2018-10-26 19:36:23,969 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 34 [2018-10-26 19:36:24,165 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 37 [2018-10-26 19:36:24,415 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2018-10-26 19:36:24,611 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 34 [2018-10-26 19:36:24,762 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 34 [2018-10-26 19:36:25,130 WARN L179 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 25 [2018-10-26 19:36:25,246 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 30 [2018-10-26 19:36:25,731 WARN L179 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 28 [2018-10-26 19:36:25,860 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 30 [2018-10-26 19:36:26,005 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 30 [2018-10-26 19:36:26,197 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 37 [2018-10-26 19:36:26,575 WARN L179 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 46 [2018-10-26 19:36:26,941 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 35 [2018-10-26 19:36:27,173 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 35 [2018-10-26 19:36:27,328 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 35 [2018-10-26 19:36:27,458 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 34 [2018-10-26 19:36:27,603 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 37 [2018-10-26 19:36:27,603 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:36:27,606 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-10-26 19:36:27,612 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-10-26 19:36:27,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:36:27 ImpRootNode [2018-10-26 19:36:27,613 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:36:27,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:36:27,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:36:27,613 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:36:27,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:31:15" (3/4) ... [2018-10-26 19:36:27,620 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:36:27,635 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-10-26 19:36:27,636 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-26 19:36:27,637 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-10-26 19:36:27,637 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 19:36:27,743 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_82c50ecd-fec1-4bf2-9cd7-8729e2e3829b/bin-2019/ukojak/witness.graphml [2018-10-26 19:36:27,743 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:36:27,744 INFO L168 Benchmark]: Toolchain (without parser) took 317560.12 ms. Allocated memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: 3.6 GB). Free memory was 955.3 MB in the beginning and 3.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-10-26 19:36:27,744 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:36:27,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.91 ms. Allocated memory is still 1.0 GB. Free memory was 955.3 MB in the beginning and 924.7 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-10-26 19:36:27,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 924.7 MB in the beginning and 1.1 GB in the end (delta: -218.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:36:27,745 INFO L168 Benchmark]: Boogie Preprocessor took 75.86 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:36:27,745 INFO L168 Benchmark]: RCFGBuilder took 4574.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.4 MB in the end (delta: 224.3 MB). Peak memory consumption was 224.3 MB. Max. memory is 11.5 GB. [2018-10-26 19:36:27,745 INFO L168 Benchmark]: CodeCheck took 312051.80 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 913.4 MB in the beginning and 3.3 GB in the end (delta: -2.4 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2018-10-26 19:36:27,746 INFO L168 Benchmark]: Witness Printer took 130.01 ms. Allocated memory is still 4.7 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 2.2 kB). Peak memory consumption was 2.2 kB. Max. memory is 11.5 GB. [2018-10-26 19:36:27,751 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, 303.9s OverallTime, 174 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -284449968 SDtfs, 117773722 SDslu, 1121450892 SDs, 0 SdLazy, 1624409184 SolverSat, -715354874 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1018.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 210410 GetRequests, 204733 SyntacticMatches, 3671 SemanticMatches, 2006 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2634601 ImplicationChecksByTransitivity, 274.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 35.8s InterpolantComputationTime, 30937 NumberOfCodeBlocks, 30937 NumberOfCodeBlocksAsserted, 173 NumberOfCheckSat, 30764 ConstructedInterpolants, 0 QuantifiedInterpolants, 26192877 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 173 InterpolantComputations, 142 PerfectInterpolantSequences, 33372/34118 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: 566]: 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) || (((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0)) || !(a16 == 6)) || !(a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a20 == 1) || !(a7 == 1)) || (((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0)) || !(a16 == 6) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 557.91 ms. Allocated memory is still 1.0 GB. Free memory was 955.3 MB in the beginning and 924.7 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 165.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 924.7 MB in the beginning and 1.1 GB in the end (delta: -218.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.86 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4574.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.4 MB in the end (delta: 224.3 MB). Peak memory consumption was 224.3 MB. Max. memory is 11.5 GB. * CodeCheck took 312051.80 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 913.4 MB in the beginning and 3.3 GB in the end (delta: -2.4 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. * Witness Printer took 130.01 ms. Allocated memory is still 4.7 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 2.2 kB). Peak memory consumption was 2.2 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...