./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label08_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5fc3a699-8807-4155-b49c-e34c8a1f6906/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5fc3a699-8807-4155-b49c-e34c8a1f6906/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5fc3a699-8807-4155-b49c-e34c8a1f6906/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5fc3a699-8807-4155-b49c-e34c8a1f6906/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label08_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5fc3a699-8807-4155-b49c-e34c8a1f6906/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5fc3a699-8807-4155-b49c-e34c8a1f6906/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 6ce363081c1dab610a244bdee8a1005551fe87b5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 15:03:43,636 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:03:43,637 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:03:43,643 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:03:43,643 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:03:43,644 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:03:43,644 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:03:43,645 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:03:43,646 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:03:43,646 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:03:43,647 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:03:43,647 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:03:43,647 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:03:43,648 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:03:43,648 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:03:43,649 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:03:43,649 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:03:43,650 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:03:43,651 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:03:43,651 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:03:43,652 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:03:43,653 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:03:43,654 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:03:43,654 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:03:43,654 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:03:43,654 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:03:43,655 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:03:43,655 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:03:43,656 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:03:43,656 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:03:43,656 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:03:43,656 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:03:43,657 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:03:43,657 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:03:43,657 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:03:43,657 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:03:43,658 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5fc3a699-8807-4155-b49c-e34c8a1f6906/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 15:03:43,665 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:03:43,665 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:03:43,665 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:03:43,665 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 15:03:43,666 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:03:43,666 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:03:43,666 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:03:43,666 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:03:43,666 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:03:43,666 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:03:43,666 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:03:43,666 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:03:43,666 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:03:43,667 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:03:43,667 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:03:43,667 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:03:43,667 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:03:43,667 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:03:43,667 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 15:03:43,667 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 15:03:43,667 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:03:43,667 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:03:43,667 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 15:03:43,667 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:03:43,668 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:03:43,668 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:03:43,668 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 15:03:43,668 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:03:43,668 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 15:03:43,668 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_5fc3a699-8807-4155-b49c-e34c8a1f6906/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 -> 6ce363081c1dab610a244bdee8a1005551fe87b5 [2018-12-01 15:03:43,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:03:43,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:03:43,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:03:43,695 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:03:43,695 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:03:43,695 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5fc3a699-8807-4155-b49c-e34c8a1f6906/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label08_true-unreach-call_false-termination.c [2018-12-01 15:03:43,728 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5fc3a699-8807-4155-b49c-e34c8a1f6906/bin-2019/ukojak/data/7551c2070/b88db5e879f14b91878567a7353d5742/FLAG380129156 [2018-12-01 15:03:44,188 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:03:44,189 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5fc3a699-8807-4155-b49c-e34c8a1f6906/sv-benchmarks/c/eca-rers2012/Problem02_label08_true-unreach-call_false-termination.c [2018-12-01 15:03:44,198 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5fc3a699-8807-4155-b49c-e34c8a1f6906/bin-2019/ukojak/data/7551c2070/b88db5e879f14b91878567a7353d5742/FLAG380129156 [2018-12-01 15:03:44,208 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5fc3a699-8807-4155-b49c-e34c8a1f6906/bin-2019/ukojak/data/7551c2070/b88db5e879f14b91878567a7353d5742 [2018-12-01 15:03:44,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:03:44,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:03:44,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:03:44,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:03:44,213 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:03:44,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:03:44" (1/1) ... [2018-12-01 15:03:44,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:44, skipping insertion in model container [2018-12-01 15:03:44,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:03:44" (1/1) ... [2018-12-01 15:03:44,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:03:44,245 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:03:44,417 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:03:44,421 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:03:44,528 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:03:44,542 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:03:44,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:44 WrapperNode [2018-12-01 15:03:44,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:03:44,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:03:44,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:03:44,543 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:03:44,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:44" (1/1) ... [2018-12-01 15:03:44,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:44" (1/1) ... [2018-12-01 15:03:44,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:03:44,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:03:44,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:03:44,589 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:03:44,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:44" (1/1) ... [2018-12-01 15:03:44,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:44" (1/1) ... [2018-12-01 15:03:44,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:44" (1/1) ... [2018-12-01 15:03:44,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:44" (1/1) ... [2018-12-01 15:03:44,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:44" (1/1) ... [2018-12-01 15:03:44,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:44" (1/1) ... [2018-12-01 15:03:44,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:44" (1/1) ... [2018-12-01 15:03:44,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:03:44,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:03:44,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:03:44,630 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:03:44,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc3a699-8807-4155-b49c-e34c8a1f6906/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 15:03:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:03:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:03:45,713 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:03:45,713 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 15:03:45,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:03:45 BoogieIcfgContainer [2018-12-01 15:03:45,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:03:45,714 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 15:03:45,714 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 15:03:45,721 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 15:03:45,721 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:03:45" (1/1) ... [2018-12-01 15:03:45,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:03:45,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:45,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-01 15:03:45,761 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-01 15:03:45,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 15:03:45,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:46,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:46,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 163 states and 242 transitions. [2018-12-01 15:03:46,304 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2018-12-01 15:03:46,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 15:03:46,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:46,365 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 15:03:46,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:46,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 245 states and 330 transitions. [2018-12-01 15:03:46,737 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 330 transitions. [2018-12-01 15:03:46,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 15:03:46,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:46,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 262 states and 359 transitions. [2018-12-01 15:03:46,959 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 359 transitions. [2018-12-01 15:03:46,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 15:03:46,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:47,057 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:47,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:47,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 280 states and 388 transitions. [2018-12-01 15:03:47,406 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 388 transitions. [2018-12-01 15:03:47,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 15:03:47,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:47,463 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:47,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:47,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 283 states and 393 transitions. [2018-12-01 15:03:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 393 transitions. [2018-12-01 15:03:47,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 15:03:47,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:47,608 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:47,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:47,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 304 states and 425 transitions. [2018-12-01 15:03:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 425 transitions. [2018-12-01 15:03:47,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 15:03:47,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:47,905 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:48,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:48,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 308 states and 431 transitions. [2018-12-01 15:03:48,120 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 431 transitions. [2018-12-01 15:03:48,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 15:03:48,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:48,136 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:48,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:48,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 311 states and 435 transitions. [2018-12-01 15:03:48,227 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 435 transitions. [2018-12-01 15:03:48,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 15:03:48,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:48,251 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 15:03:48,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:48,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 329 states and 460 transitions. [2018-12-01 15:03:48,605 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 460 transitions. [2018-12-01 15:03:48,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 15:03:48,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:48,629 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 15:03:48,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 332 states and 463 transitions. [2018-12-01 15:03:48,710 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 463 transitions. [2018-12-01 15:03:48,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 15:03:48,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:48,728 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:48,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:48,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 336 states and 467 transitions. [2018-12-01 15:03:48,747 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 467 transitions. [2018-12-01 15:03:48,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 15:03:48,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:48,773 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 15:03:49,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:49,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 340 states and 474 transitions. [2018-12-01 15:03:49,003 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 474 transitions. [2018-12-01 15:03:49,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 15:03:49,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:49,027 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 15:03:49,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:49,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 343 states and 477 transitions. [2018-12-01 15:03:49,126 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 477 transitions. [2018-12-01 15:03:49,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 15:03:49,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:49,208 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 15:03:49,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:49,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 422 states and 565 transitions. [2018-12-01 15:03:49,748 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 565 transitions. [2018-12-01 15:03:49,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 15:03:49,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:49,764 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 15:03:50,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:50,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 438 states and 590 transitions. [2018-12-01 15:03:50,131 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 590 transitions. [2018-12-01 15:03:50,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 15:03:50,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:50,146 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 15:03:50,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:50,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 443 states and 594 transitions. [2018-12-01 15:03:50,371 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 594 transitions. [2018-12-01 15:03:50,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 15:03:50,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:51,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:51,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 473 states and 635 transitions. [2018-12-01 15:03:51,107 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 635 transitions. [2018-12-01 15:03:51,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 15:03:51,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:51,199 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:52,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:52,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 503 states and 675 transitions. [2018-12-01 15:03:52,033 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 675 transitions. [2018-12-01 15:03:52,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 15:03:52,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:52,080 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 506 states and 678 transitions. [2018-12-01 15:03:52,201 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 678 transitions. [2018-12-01 15:03:52,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 15:03:52,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:52,242 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:52,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:52,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 509 states and 681 transitions. [2018-12-01 15:03:52,355 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 681 transitions. [2018-12-01 15:03:52,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 15:03:52,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:52,376 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:52,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 522 states and 695 transitions. [2018-12-01 15:03:52,482 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 695 transitions. [2018-12-01 15:03:52,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-01 15:03:52,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:52,497 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:52,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:52,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 541 states and 717 transitions. [2018-12-01 15:03:52,762 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 717 transitions. [2018-12-01 15:03:52,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 15:03:52,763 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 15:03:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:52,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 542 states and 719 transitions. [2018-12-01 15:03:52,911 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 719 transitions. [2018-12-01 15:03:52,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 15:03:52,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 15:03:53,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:53,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 545 states and 722 transitions. [2018-12-01 15:03:53,025 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 722 transitions. [2018-12-01 15:03:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 15:03:53,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:53,041 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 15:03:53,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:53,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 549 states and 725 transitions. [2018-12-01 15:03:53,128 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 725 transitions. [2018-12-01 15:03:53,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 15:03:53,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:53,145 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 15:03:53,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:53,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 554 states and 729 transitions. [2018-12-01 15:03:53,162 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 729 transitions. [2018-12-01 15:03:53,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 15:03:53,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:53,272 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:03:53,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:53,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 556 states and 732 transitions. [2018-12-01 15:03:53,584 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 732 transitions. [2018-12-01 15:03:53,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 15:03:53,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:53,699 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:03:54,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:54,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 570 states and 747 transitions. [2018-12-01 15:03:54,192 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 747 transitions. [2018-12-01 15:03:54,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-01 15:03:54,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:54,208 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:54,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:54,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 574 states and 754 transitions. [2018-12-01 15:03:54,436 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 754 transitions. [2018-12-01 15:03:54,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-01 15:03:54,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:54,463 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 577 states and 757 transitions. [2018-12-01 15:03:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 757 transitions. [2018-12-01 15:03:54,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 15:03:54,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:03:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:56,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 617 states and 811 transitions. [2018-12-01 15:03:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 811 transitions. [2018-12-01 15:03:56,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 15:03:56,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:56,518 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:03:56,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:56,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 620 states and 814 transitions. [2018-12-01 15:03:56,702 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 814 transitions. [2018-12-01 15:03:56,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 15:03:56,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:56,723 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:56,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:56,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 639 states and 833 transitions. [2018-12-01 15:03:56,816 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 833 transitions. [2018-12-01 15:03:56,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 15:03:56,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:56,841 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:03:56,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:56,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 644 states and 838 transitions. [2018-12-01 15:03:56,997 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 838 transitions. [2018-12-01 15:03:56,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 15:03:56,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:57,018 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:57,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:57,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 646 states and 840 transitions. [2018-12-01 15:03:57,035 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 840 transitions. [2018-12-01 15:03:57,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 15:03:57,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:57,060 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:03:57,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:57,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 647 states and 841 transitions. [2018-12-01 15:03:57,070 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 841 transitions. [2018-12-01 15:03:57,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 15:03:57,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:57,106 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:03:57,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:57,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 666 states and 863 transitions. [2018-12-01 15:03:57,712 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 863 transitions. [2018-12-01 15:03:57,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 15:03:57,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:57,748 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:03:57,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:57,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 667 states and 864 transitions. [2018-12-01 15:03:57,785 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 864 transitions. [2018-12-01 15:03:57,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 15:03:57,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:57,822 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:03:57,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:57,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 684 states and 881 transitions. [2018-12-01 15:03:57,866 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 881 transitions. [2018-12-01 15:03:57,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-01 15:03:57,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:57,902 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:03:58,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:58,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 686 states and 882 transitions. [2018-12-01 15:03:58,070 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 882 transitions. [2018-12-01 15:03:58,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 15:03:58,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:58,116 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:03:58,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:58,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 701 states and 899 transitions. [2018-12-01 15:03:58,530 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 899 transitions. [2018-12-01 15:03:58,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 15:03:58,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:58,565 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 15:03:58,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:58,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 706 states and 912 transitions. [2018-12-01 15:03:58,866 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 912 transitions. [2018-12-01 15:03:58,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 15:03:58,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:58,998 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:03:59,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:03:59,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 708 states and 914 transitions. [2018-12-01 15:03:59,205 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 914 transitions. [2018-12-01 15:03:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 15:03:59,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:03:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:03:59,859 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 15:04:01,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:01,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 712 states and 922 transitions. [2018-12-01 15:04:01,064 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 922 transitions. [2018-12-01 15:04:01,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-01 15:04:01,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:01,096 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-01 15:04:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 713 states and 923 transitions. [2018-12-01 15:04:01,111 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 923 transitions. [2018-12-01 15:04:01,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 15:04:01,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:04:01,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:01,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 717 states and 927 transitions. [2018-12-01 15:04:01,153 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 927 transitions. [2018-12-01 15:04:01,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-01 15:04:01,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:01,219 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-01 15:04:01,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:01,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 719 states and 929 transitions. [2018-12-01 15:04:01,284 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 929 transitions. [2018-12-01 15:04:01,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 15:04:01,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:01,370 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:04:01,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:01,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 745 states and 956 transitions. [2018-12-01 15:04:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 956 transitions. [2018-12-01 15:04:01,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 15:04:01,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:01,495 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:04:01,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:01,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 757 states and 971 transitions. [2018-12-01 15:04:01,939 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 971 transitions. [2018-12-01 15:04:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 15:04:01,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:02,301 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:04:05,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 779 states and 1004 transitions. [2018-12-01 15:04:05,276 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1004 transitions. [2018-12-01 15:04:05,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 15:04:05,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:04:05,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:05,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 782 states and 1007 transitions. [2018-12-01 15:04:05,578 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1007 transitions. [2018-12-01 15:04:05,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 15:04:05,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:05,607 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:04:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:05,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 786 states and 1012 transitions. [2018-12-01 15:04:05,723 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1012 transitions. [2018-12-01 15:04:05,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 15:04:05,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:05,812 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-01 15:04:06,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:06,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 798 states and 1023 transitions. [2018-12-01 15:04:06,387 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1023 transitions. [2018-12-01 15:04:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 15:04:06,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:06,460 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:04:06,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:06,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 828 states and 1052 transitions. [2018-12-01 15:04:06,929 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1052 transitions. [2018-12-01 15:04:06,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-01 15:04:06,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:06,986 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:04:07,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:07,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 853 states and 1077 transitions. [2018-12-01 15:04:07,714 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1077 transitions. [2018-12-01 15:04:07,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-01 15:04:07,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:07,740 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 15:04:07,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:07,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 862 states and 1087 transitions. [2018-12-01 15:04:07,936 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1087 transitions. [2018-12-01 15:04:07,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-01 15:04:07,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:07,962 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 15:04:08,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:08,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 866 states and 1091 transitions. [2018-12-01 15:04:08,322 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1091 transitions. [2018-12-01 15:04:08,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-01 15:04:08,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:08,345 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:04:08,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:08,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 898 states and 1123 transitions. [2018-12-01 15:04:08,425 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1123 transitions. [2018-12-01 15:04:08,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 15:04:08,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:08,525 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 15:04:08,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:08,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 903 states and 1129 transitions. [2018-12-01 15:04:08,815 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1129 transitions. [2018-12-01 15:04:08,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 15:04:08,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:08,879 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 15:04:09,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:09,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 904 states and 1130 transitions. [2018-12-01 15:04:09,067 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1130 transitions. [2018-12-01 15:04:09,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 15:04:09,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:09,264 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:04:10,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:10,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 940 states and 1175 transitions. [2018-12-01 15:04:10,663 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1175 transitions. [2018-12-01 15:04:10,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 15:04:10,663 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:04:10,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:10,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 943 states and 1179 transitions. [2018-12-01 15:04:10,946 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1179 transitions. [2018-12-01 15:04:10,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 15:04:10,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 15:04:13,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:13,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 968 states and 1209 transitions. [2018-12-01 15:04:13,663 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1209 transitions. [2018-12-01 15:04:13,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 15:04:13,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:13,725 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 15:04:14,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:14,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 991 states and 1236 transitions. [2018-12-01 15:04:14,368 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1236 transitions. [2018-12-01 15:04:14,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 15:04:14,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:14,412 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 15:04:14,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:14,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 995 states and 1242 transitions. [2018-12-01 15:04:14,855 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1242 transitions. [2018-12-01 15:04:14,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 15:04:14,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 15:04:15,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:15,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 998 states and 1246 transitions. [2018-12-01 15:04:15,147 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1246 transitions. [2018-12-01 15:04:15,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 15:04:15,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:15,195 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 15:04:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:15,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1001 states and 1250 transitions. [2018-12-01 15:04:15,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1250 transitions. [2018-12-01 15:04:15,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 15:04:15,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 15:04:16,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:16,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1082 states and 1333 transitions. [2018-12-01 15:04:16,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1333 transitions. [2018-12-01 15:04:16,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 15:04:16,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 15:04:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:17,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1115 states and 1374 transitions. [2018-12-01 15:04:17,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1374 transitions. [2018-12-01 15:04:17,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 15:04:17,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:17,940 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 15:04:18,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:18,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1118 states and 1378 transitions. [2018-12-01 15:04:18,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1378 transitions. [2018-12-01 15:04:18,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 15:04:18,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:18,274 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 15:04:18,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:18,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1122 states and 1385 transitions. [2018-12-01 15:04:18,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1385 transitions. [2018-12-01 15:04:18,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 15:04:18,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:18,854 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 15:04:19,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1125 states and 1388 transitions. [2018-12-01 15:04:19,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1388 transitions. [2018-12-01 15:04:19,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 15:04:19,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 15:04:19,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:19,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1128 states and 1392 transitions. [2018-12-01 15:04:19,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1392 transitions. [2018-12-01 15:04:19,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 15:04:19,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:19,480 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:04:19,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:19,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1132 states and 1398 transitions. [2018-12-01 15:04:19,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1398 transitions. [2018-12-01 15:04:19,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-01 15:04:19,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:04:20,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:20,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1153 states and 1420 transitions. [2018-12-01 15:04:20,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1420 transitions. [2018-12-01 15:04:20,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-01 15:04:20,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:20,132 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:04:20,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1156 states and 1423 transitions. [2018-12-01 15:04:20,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1423 transitions. [2018-12-01 15:04:20,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-01 15:04:20,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:20,447 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-01 15:04:22,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:22,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1193 states and 1467 transitions. [2018-12-01 15:04:22,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1467 transitions. [2018-12-01 15:04:22,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-01 15:04:22,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:22,547 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:04:22,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:22,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1231 states and 1507 transitions. [2018-12-01 15:04:22,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1507 transitions. [2018-12-01 15:04:22,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-01 15:04:22,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:22,783 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-01 15:04:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1234 states and 1509 transitions. [2018-12-01 15:04:22,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1509 transitions. [2018-12-01 15:04:22,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 15:04:22,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 15:04:25,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:25,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1255 states and 1535 transitions. [2018-12-01 15:04:25,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1535 transitions. [2018-12-01 15:04:25,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-01 15:04:25,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:25,458 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 15:04:25,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:25,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1256 states and 1536 transitions. [2018-12-01 15:04:25,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1536 transitions. [2018-12-01 15:04:25,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-01 15:04:25,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:25,741 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 15:04:25,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:25,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1259 states and 1539 transitions. [2018-12-01 15:04:25,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1539 transitions. [2018-12-01 15:04:25,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-01 15:04:25,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:25,981 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 15:04:26,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:26,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1260 states and 1540 transitions. [2018-12-01 15:04:26,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1540 transitions. [2018-12-01 15:04:26,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-01 15:04:26,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:26,287 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 15:04:26,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:26,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1263 states and 1543 transitions. [2018-12-01 15:04:26,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1543 transitions. [2018-12-01 15:04:26,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-01 15:04:26,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 15:04:26,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:26,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1267 states and 1547 transitions. [2018-12-01 15:04:26,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1547 transitions. [2018-12-01 15:04:26,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 15:04:26,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:27,923 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:04:38,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:38,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1367 states and 1667 transitions. [2018-12-01 15:04:38,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1667 transitions. [2018-12-01 15:04:38,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 15:04:38,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:38,968 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:04:39,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:39,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1377 states and 1678 transitions. [2018-12-01 15:04:39,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1678 transitions. [2018-12-01 15:04:39,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 15:04:39,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:40,111 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:04:40,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:40,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1382 states and 1682 transitions. [2018-12-01 15:04:40,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1682 transitions. [2018-12-01 15:04:40,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-01 15:04:40,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-01 15:04:41,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:41,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1461 states and 1773 transitions. [2018-12-01 15:04:41,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1773 transitions. [2018-12-01 15:04:41,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-01 15:04:41,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:41,562 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:04:43,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:43,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1504 states and 1821 transitions. [2018-12-01 15:04:43,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1821 transitions. [2018-12-01 15:04:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-01 15:04:43,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:04:43,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:43,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1508 states and 1824 transitions. [2018-12-01 15:04:43,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1824 transitions. [2018-12-01 15:04:43,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-01 15:04:43,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:43,485 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-12-01 15:04:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:44,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1569 states and 1887 transitions. [2018-12-01 15:04:44,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 1887 transitions. [2018-12-01 15:04:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-12-01 15:04:44,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-01 15:04:45,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:45,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1573 states and 1891 transitions. [2018-12-01 15:04:45,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1891 transitions. [2018-12-01 15:04:45,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-01 15:04:45,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:47,624 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:04:55,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 1709 states and 2057 transitions. [2018-12-01 15:04:55,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2057 transitions. [2018-12-01 15:04:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-01 15:04:55,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:55,309 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:04:57,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:57,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 1736 states and 2091 transitions. [2018-12-01 15:04:57,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2091 transitions. [2018-12-01 15:04:57,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-01 15:04:57,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:57,627 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:04:59,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:04:59,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 1747 states and 2102 transitions. [2018-12-01 15:04:59,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2102 transitions. [2018-12-01 15:04:59,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-01 15:04:59,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:04:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:04:59,941 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:05:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:05:00,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 1757 states and 2111 transitions. [2018-12-01 15:05:00,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2111 transitions. [2018-12-01 15:05:00,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-01 15:05:00,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:05:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:05:00,507 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:05:00,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:05:00,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 1761 states and 2114 transitions. [2018-12-01 15:05:00,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2114 transitions. [2018-12-01 15:05:00,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-01 15:05:00,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:05:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:05:01,029 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:05:01,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:05:01,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 1765 states and 2117 transitions. [2018-12-01 15:05:01,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2117 transitions. [2018-12-01 15:05:01,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-01 15:05:01,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:05:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:05:01,650 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:05:02,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:05:02,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1770 states and 2121 transitions. [2018-12-01 15:05:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2121 transitions. [2018-12-01 15:05:02,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 15:05:02,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:05:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:05:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-12-01 15:05:02,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:05:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 1773 states and 2123 transitions. [2018-12-01 15:05:02,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2123 transitions. [2018-12-01 15:05:02,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-01 15:05:02,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:05:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:05:02,419 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 15:05:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:05:03,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1792 states and 2142 transitions. [2018-12-01 15:05:03,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2142 transitions. [2018-12-01 15:05:03,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-01 15:05:03,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:05:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:05:03,494 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 15:05:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:05:04,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 1797 states and 2147 transitions. [2018-12-01 15:05:04,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2147 transitions. [2018-12-01 15:05:04,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-01 15:05:04,746 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:05:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:05:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 15:05:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:05:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 1801 states and 2150 transitions. [2018-12-01 15:05:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2150 transitions. [2018-12-01 15:05:05,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-01 15:05:05,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:05:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:05:05,535 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-01 15:05:18,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:05:18,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2066 states and 2448 transitions. [2018-12-01 15:05:18,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2448 transitions. [2018-12-01 15:05:18,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-01 15:05:18,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:05:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:05:18,678 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-01 15:05:22,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:05:22,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2162 states and 2556 transitions. [2018-12-01 15:05:22,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 2556 transitions. [2018-12-01 15:05:22,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-01 15:05:22,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:05:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:05:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 62 proven. 413 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-01 15:05:35,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:05:35,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2322 states and 2736 transitions. [2018-12-01 15:05:35,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2736 transitions. [2018-12-01 15:05:35,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-12-01 15:05:35,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:05:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:05:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 742 proven. 4 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2018-12-01 15:05:36,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:05:36,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2395 states and 2814 transitions. [2018-12-01 15:05:36,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2395 states and 2814 transitions. [2018-12-01 15:05:37,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-12-01 15:05:37,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:05:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:05:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 742 proven. 4 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2018-12-01 15:05:37,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:05:37,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 2396 states and 2816 transitions. [2018-12-01 15:05:37,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 2816 transitions. [2018-12-01 15:05:37,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2018-12-01 15:05:37,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:05:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:05:38,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 762 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2018-12-01 15:05:40,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:05:40,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2467 states and 2890 transitions. [2018-12-01 15:05:40,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 2890 transitions. [2018-12-01 15:05:40,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2018-12-01 15:05:40,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:05:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:05:41,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 637 proven. 604 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-01 15:05:46,622 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-01 15:06:03,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:06:03,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 2640 states and 3072 transitions. [2018-12-01 15:06:03,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2640 states and 3072 transitions. [2018-12-01 15:06:03,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2018-12-01 15:06:03,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:06:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:06:04,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 637 proven. 604 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-01 15:06:06,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:06:06,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 2663 states and 3096 transitions. [2018-12-01 15:06:06,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3096 transitions. [2018-12-01 15:06:06,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2018-12-01 15:06:06,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:06:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:06:07,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 864 proven. 811 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2018-12-01 15:06:08,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:06:08,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2365 states and 2786 transitions. [2018-12-01 15:06:08,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 2786 transitions. [2018-12-01 15:06:08,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 15:06:08,234 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 114 iterations. [2018-12-01 15:06:08,244 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 15:06:08,361 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 32 [2018-12-01 15:06:08,595 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2018-12-01 15:06:09,266 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2018-12-01 15:06:09,380 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2018-12-01 15:06:09,774 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 32 [2018-12-01 15:06:10,132 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 32 [2018-12-01 15:06:10,239 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 32 [2018-12-01 15:06:10,536 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 32 [2018-12-01 15:06:10,643 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2018-12-01 15:06:10,745 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 32 [2018-12-01 15:06:11,137 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 32 [2018-12-01 15:06:11,399 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 32 [2018-12-01 15:06:11,589 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 32 [2018-12-01 15:06:11,955 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 32 [2018-12-01 15:06:12,246 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 32 [2018-12-01 15:06:12,525 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 32 [2018-12-01 15:06:12,681 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2018-12-01 15:06:12,783 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 32 [2018-12-01 15:06:12,910 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 32 [2018-12-01 15:06:13,022 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 32 [2018-12-01 15:06:13,230 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 32 [2018-12-01 15:06:13,391 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2018-12-01 15:06:13,798 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 32 [2018-12-01 15:06:13,922 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 32 [2018-12-01 15:06:14,049 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 32 [2018-12-01 15:06:14,247 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2018-12-01 15:06:14,352 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 32 [2018-12-01 15:06:14,616 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 32 [2018-12-01 15:06:14,722 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 32 [2018-12-01 15:06:15,191 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 32 [2018-12-01 15:06:15,550 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 32 [2018-12-01 15:06:15,779 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 15:06:15,781 INFO L583 CodeCheckObserver]: Invariant with dag size 32 [2018-12-01 15:06:15,786 INFO L583 CodeCheckObserver]: Invariant with dag size 32 [2018-12-01 15:06:15,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:06:15 ImpRootNode [2018-12-01 15:06:15,787 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 15:06:15,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:06:15,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:06:15,787 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:06:15,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:03:45" (3/4) ... [2018-12-01 15:06:15,790 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 15:06:15,800 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-01 15:06:15,800 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-01 15:06:15,800 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-01 15:06:15,801 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 15:06:15,860 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5fc3a699-8807-4155-b49c-e34c8a1f6906/bin-2019/ukojak/witness.graphml [2018-12-01 15:06:15,860 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:06:15,861 INFO L168 Benchmark]: Toolchain (without parser) took 151650.93 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 956.0 MB in the beginning and 1.5 GB in the end (delta: -519.3 MB). Peak memory consumption was 504.1 MB. Max. memory is 11.5 GB. [2018-12-01 15:06:15,861 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:06:15,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-01 15:06:15,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.60 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-01 15:06:15,862 INFO L168 Benchmark]: Boogie Preprocessor took 40.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:06:15,862 INFO L168 Benchmark]: RCFGBuilder took 1084.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.2 MB in the end (delta: 228.5 MB). Peak memory consumption was 228.5 MB. Max. memory is 11.5 GB. [2018-12-01 15:06:15,862 INFO L168 Benchmark]: CodeCheck took 150072.51 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 871.4 MB). Free memory was 899.2 MB in the beginning and 1.5 GB in the end (delta: -598.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-01 15:06:15,862 INFO L168 Benchmark]: Witness Printer took 73.48 ms. Allocated memory is still 2.1 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-12-01 15:06:15,863 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 142.4s OverallTime, 114 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 614468044 SDtfs, -1184685064 SDslu, -1142665536 SDs, 0 SdLazy, 1773683968 SolverSat, 971554932 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 274.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147459 GetRequests, 142931 SyntacticMatches, 3398 SemanticMatches, 1130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1010075 ImplicationChecksByTransitivity, 124.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 13.1s InterpolantComputationTime, 22002 NumberOfCodeBlocks, 22002 NumberOfCodeBlocksAsserted, 113 NumberOfCheckSat, 21889 ConstructedInterpolants, 0 QuantifiedInterpolants, 30026182 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 113 InterpolantComputations, 76 PerfectInterpolantSequences, 21325/25035 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: 538]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((a25 == 1 || !(a11 == 1)) || a17 == 8) || ((!(a28 == 8) && (a21 == 1 || !(a17 == 9))) && ((!(a17 == 7) && a21 == 1) || !(a28 == 11)))) || (a28 == 8 && !(a17 == 9))) || !(a19 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((a25 == 1 || a17 == 8) || !(a11 == 1)) || ((!(a28 == 8) && (a21 == 1 || !(a17 == 9))) && ((!(a17 == 7) && a21 == 1) || !(a28 == 11)))) || (a28 == 8 && !(a17 == 9))) || !(a19 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 331.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.60 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1084.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.2 MB in the end (delta: 228.5 MB). Peak memory consumption was 228.5 MB. Max. memory is 11.5 GB. * CodeCheck took 150072.51 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 871.4 MB). Free memory was 899.2 MB in the beginning and 1.5 GB in the end (delta: -598.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 73.48 ms. Allocated memory is still 2.1 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...