./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label06_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_8e4c4ea0-1975-49ab-ac02-6905beb4c777/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8e4c4ea0-1975-49ab-ac02-6905beb4c777/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8e4c4ea0-1975-49ab-ac02-6905beb4c777/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8e4c4ea0-1975-49ab-ac02-6905beb4c777/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8e4c4ea0-1975-49ab-ac02-6905beb4c777/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8e4c4ea0-1975-49ab-ac02-6905beb4c777/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 4efbed7cd0f5d77b92597ff02e6d19fa8a62de34 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 13:12:39,616 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:12:39,618 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:12:39,626 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:12:39,627 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:12:39,627 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:12:39,628 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:12:39,629 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:12:39,630 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:12:39,631 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:12:39,632 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:12:39,632 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:12:39,632 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:12:39,633 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:12:39,634 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:12:39,634 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:12:39,635 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:12:39,636 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:12:39,637 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:12:39,638 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:12:39,639 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:12:39,640 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:12:39,641 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:12:39,642 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:12:39,642 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:12:39,642 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:12:39,643 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:12:39,644 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:12:39,644 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:12:39,645 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:12:39,645 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:12:39,646 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:12:39,646 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:12:39,646 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:12:39,646 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:12:39,647 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:12:39,647 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8e4c4ea0-1975-49ab-ac02-6905beb4c777/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 13:12:39,657 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:12:39,657 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:12:39,658 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:12:39,658 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 13:12:39,659 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 13:12:39,659 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 13:12:39,659 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:12:39,659 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:12:39,659 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:12:39,659 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:12:39,659 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:12:39,660 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:12:39,660 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:12:39,660 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:12:39,660 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:12:39,660 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:12:39,660 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 13:12:39,660 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:12:39,660 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 13:12:39,661 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 13:12:39,661 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:12:39,661 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:12:39,661 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 13:12:39,661 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:12:39,661 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:12:39,661 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:12:39,661 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 13:12:39,662 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:12:39,662 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 13:12:39,662 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_8e4c4ea0-1975-49ab-ac02-6905beb4c777/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 -> 4efbed7cd0f5d77b92597ff02e6d19fa8a62de34 [2018-12-02 13:12:39,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:12:39,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:12:39,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:12:39,697 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:12:39,698 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:12:39,698 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8e4c4ea0-1975-49ab-ac02-6905beb4c777/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c [2018-12-02 13:12:39,738 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e4c4ea0-1975-49ab-ac02-6905beb4c777/bin-2019/ukojak/data/fcd4fd4b0/fafd87ca78a8433d89a8efb996974d32/FLAGc13376fff [2018-12-02 13:12:40,096 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:12:40,096 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8e4c4ea0-1975-49ab-ac02-6905beb4c777/sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c [2018-12-02 13:12:40,103 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e4c4ea0-1975-49ab-ac02-6905beb4c777/bin-2019/ukojak/data/fcd4fd4b0/fafd87ca78a8433d89a8efb996974d32/FLAGc13376fff [2018-12-02 13:12:40,464 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8e4c4ea0-1975-49ab-ac02-6905beb4c777/bin-2019/ukojak/data/fcd4fd4b0/fafd87ca78a8433d89a8efb996974d32 [2018-12-02 13:12:40,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:12:40,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:12:40,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:12:40,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:12:40,471 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:12:40,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:12:40" (1/1) ... [2018-12-02 13:12:40,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f5ef9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:40, skipping insertion in model container [2018-12-02 13:12:40,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:12:40" (1/1) ... [2018-12-02 13:12:40,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:12:40,513 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:12:40,691 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:12:40,694 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:12:40,740 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:12:40,796 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:12:40,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:40 WrapperNode [2018-12-02 13:12:40,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:12:40,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:12:40,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:12:40,797 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:12:40,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:40" (1/1) ... [2018-12-02 13:12:40,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:40" (1/1) ... [2018-12-02 13:12:40,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:12:40,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:12:40,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:12:40,835 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:12:40,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:40" (1/1) ... [2018-12-02 13:12:40,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:40" (1/1) ... [2018-12-02 13:12:40,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:40" (1/1) ... [2018-12-02 13:12:40,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:40" (1/1) ... [2018-12-02 13:12:40,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:40" (1/1) ... [2018-12-02 13:12:40,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:40" (1/1) ... [2018-12-02 13:12:40,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:40" (1/1) ... [2018-12-02 13:12:40,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:12:40,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:12:40,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:12:40,863 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:12:40,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e4c4ea0-1975-49ab-ac02-6905beb4c777/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 [2018-12-02 13:12:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:12:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:12:41,876 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:12:41,877 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 13:12:41,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:41 BoogieIcfgContainer [2018-12-02 13:12:41,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:12:41,877 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 13:12:41,878 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 13:12:41,884 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 13:12:41,884 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:41" (1/1) ... [2018-12-02 13:12:41,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:12:41,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:41,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-02 13:12:41,915 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-02 13:12:41,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 13:12:41,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:42,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:42,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:42,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 163 states and 251 transitions. [2018-12-02 13:12:42,432 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 251 transitions. [2018-12-02 13:12:42,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-02 13:12:42,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:42,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:42,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:42,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 242 states and 335 transitions. [2018-12-02 13:12:42,899 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 335 transitions. [2018-12-02 13:12:42,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 13:12:42,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:43,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:43,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 246 states and 341 transitions. [2018-12-02 13:12:43,098 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 341 transitions. [2018-12-02 13:12:43,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 13:12:43,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:43,129 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:43,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:43,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 255 states and 353 transitions. [2018-12-02 13:12:43,197 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 353 transitions. [2018-12-02 13:12:43,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-02 13:12:43,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:43,217 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 13:12:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:43,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 262 states and 363 transitions. [2018-12-02 13:12:43,358 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 363 transitions. [2018-12-02 13:12:43,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 13:12:43,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:43,394 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:43,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:43,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 266 states and 370 transitions. [2018-12-02 13:12:43,579 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 370 transitions. [2018-12-02 13:12:43,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 13:12:43,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:43,594 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 13:12:43,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 269 states and 373 transitions. [2018-12-02 13:12:43,608 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 373 transitions. [2018-12-02 13:12:43,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-02 13:12:43,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 13:12:43,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:43,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 273 states and 378 transitions. [2018-12-02 13:12:43,707 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 378 transitions. [2018-12-02 13:12:43,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 13:12:43,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:43,820 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:44,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:44,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 290 states and 404 transitions. [2018-12-02 13:12:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 404 transitions. [2018-12-02 13:12:44,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 13:12:44,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 13:12:44,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:44,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 295 states and 409 transitions. [2018-12-02 13:12:44,402 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 409 transitions. [2018-12-02 13:12:44,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 13:12:44,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 13:12:44,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 298 states and 412 transitions. [2018-12-02 13:12:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 412 transitions. [2018-12-02 13:12:44,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 13:12:44,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:44,507 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:44,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:44,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 305 states and 419 transitions. [2018-12-02 13:12:44,539 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 419 transitions. [2018-12-02 13:12:44,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 13:12:44,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:44,553 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 13:12:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:44,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 309 states and 423 transitions. [2018-12-02 13:12:44,627 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 423 transitions. [2018-12-02 13:12:44,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 13:12:44,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:44,709 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:45,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:45,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 323 states and 442 transitions. [2018-12-02 13:12:45,072 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 442 transitions. [2018-12-02 13:12:45,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-02 13:12:45,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 13:12:45,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:45,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 329 states and 449 transitions. [2018-12-02 13:12:45,155 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 449 transitions. [2018-12-02 13:12:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 13:12:45,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:45,221 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 13:12:45,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 347 states and 470 transitions. [2018-12-02 13:12:45,491 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 470 transitions. [2018-12-02 13:12:45,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 13:12:45,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:45,505 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 13:12:45,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:45,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 349 states and 472 transitions. [2018-12-02 13:12:45,524 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 472 transitions. [2018-12-02 13:12:45,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 13:12:45,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 13:12:46,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:46,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 428 states and 560 transitions. [2018-12-02 13:12:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 560 transitions. [2018-12-02 13:12:46,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 13:12:46,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:46,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:46,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 433 states and 565 transitions. [2018-12-02 13:12:46,143 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 565 transitions. [2018-12-02 13:12:46,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 13:12:46,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:46,156 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 13:12:46,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:46,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 434 states and 566 transitions. [2018-12-02 13:12:46,214 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 566 transitions. [2018-12-02 13:12:46,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-02 13:12:46,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 13:12:46,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:46,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 437 states and 568 transitions. [2018-12-02 13:12:46,254 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 568 transitions. [2018-12-02 13:12:46,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-02 13:12:46,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:46,268 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 13:12:46,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 441 states and 572 transitions. [2018-12-02 13:12:46,295 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 572 transitions. [2018-12-02 13:12:46,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-02 13:12:46,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 13:12:46,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:46,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 442 states and 573 transitions. [2018-12-02 13:12:46,322 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 573 transitions. [2018-12-02 13:12:46,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-02 13:12:46,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:46,335 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 13:12:46,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:46,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 443 states and 574 transitions. [2018-12-02 13:12:46,349 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 574 transitions. [2018-12-02 13:12:46,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-02 13:12:46,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:46,419 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 13:12:47,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:47,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 521 states and 655 transitions. [2018-12-02 13:12:47,298 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 655 transitions. [2018-12-02 13:12:47,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-02 13:12:47,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:47,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:47,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 544 states and 683 transitions. [2018-12-02 13:12:47,914 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 683 transitions. [2018-12-02 13:12:47,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 13:12:47,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:48,034 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 13:12:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:48,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 554 states and 699 transitions. [2018-12-02 13:12:48,354 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 699 transitions. [2018-12-02 13:12:48,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-02 13:12:48,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:48,378 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:48,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:48,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 576 states and 722 transitions. [2018-12-02 13:12:48,819 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 722 transitions. [2018-12-02 13:12:48,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-02 13:12:48,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 13:12:49,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:49,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 611 states and 770 transitions. [2018-12-02 13:12:49,816 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 770 transitions. [2018-12-02 13:12:49,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-02 13:12:49,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:49,830 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 13:12:50,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:50,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 614 states and 775 transitions. [2018-12-02 13:12:50,056 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 775 transitions. [2018-12-02 13:12:50,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-02 13:12:50,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:50,075 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 13:12:50,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 617 states and 778 transitions. [2018-12-02 13:12:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 778 transitions. [2018-12-02 13:12:50,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 13:12:50,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:50,375 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 13:12:50,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 633 states and 797 transitions. [2018-12-02 13:12:50,948 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 797 transitions. [2018-12-02 13:12:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 13:12:50,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 13:12:51,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:51,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 654 states and 821 transitions. [2018-12-02 13:12:51,303 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 821 transitions. [2018-12-02 13:12:51,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 13:12:51,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:51,318 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 13:12:51,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:51,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 672 states and 842 transitions. [2018-12-02 13:12:51,603 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 842 transitions. [2018-12-02 13:12:51,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 13:12:51,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:51,852 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 13:12:53,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:53,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 703 states and 882 transitions. [2018-12-02 13:12:53,243 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 882 transitions. [2018-12-02 13:12:53,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 13:12:53,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:53,267 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 13:12:53,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:53,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 708 states and 887 transitions. [2018-12-02 13:12:53,479 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 887 transitions. [2018-12-02 13:12:53,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-02 13:12:53,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:53,495 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 13:12:53,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:53,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 711 states and 890 transitions. [2018-12-02 13:12:53,522 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 890 transitions. [2018-12-02 13:12:53,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 13:12:53,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 13:12:53,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:53,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 716 states and 895 transitions. [2018-12-02 13:12:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 895 transitions. [2018-12-02 13:12:53,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 13:12:53,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:53,585 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 13:12:53,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:53,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 721 states and 899 transitions. [2018-12-02 13:12:53,693 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 899 transitions. [2018-12-02 13:12:53,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 13:12:53,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 13:12:53,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:53,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 725 states and 902 transitions. [2018-12-02 13:12:53,808 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 902 transitions. [2018-12-02 13:12:53,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 13:12:53,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 13:12:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:53,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 728 states and 905 transitions. [2018-12-02 13:12:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 905 transitions. [2018-12-02 13:12:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 13:12:53,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 13:12:54,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:54,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 731 states and 908 transitions. [2018-12-02 13:12:54,041 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 908 transitions. [2018-12-02 13:12:54,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 13:12:54,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:54,057 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:54,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:54,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 735 states and 917 transitions. [2018-12-02 13:12:54,422 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 917 transitions. [2018-12-02 13:12:54,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 13:12:54,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:54,449 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 13:12:54,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:54,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 768 states and 952 transitions. [2018-12-02 13:12:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 952 transitions. [2018-12-02 13:12:54,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 13:12:54,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:54,748 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 75 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 13:12:54,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:54,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 781 states and 966 transitions. [2018-12-02 13:12:54,906 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 966 transitions. [2018-12-02 13:12:54,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 13:12:54,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:55,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:55,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 810 states and 997 transitions. [2018-12-02 13:12:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 997 transitions. [2018-12-02 13:12:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 13:12:55,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:55,259 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 71 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:58,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:58,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 866 states and 1059 transitions. [2018-12-02 13:12:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1059 transitions. [2018-12-02 13:12:58,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 13:12:58,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:58,131 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:58,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:12:58,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 895 states and 1091 transitions. [2018-12-02 13:12:58,214 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1091 transitions. [2018-12-02 13:12:58,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 13:12:58,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:12:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:58,477 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:13:01,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:01,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 953 states and 1156 transitions. [2018-12-02 13:13:01,595 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1156 transitions. [2018-12-02 13:13:01,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 13:13:01,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:01,618 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 13:13:01,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 962 states and 1165 transitions. [2018-12-02 13:13:01,650 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1165 transitions. [2018-12-02 13:13:01,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 13:13:01,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:01,696 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 13:13:02,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:02,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 982 states and 1188 transitions. [2018-12-02 13:13:02,480 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1188 transitions. [2018-12-02 13:13:02,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 13:13:02,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 13:13:03,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 996 states and 1204 transitions. [2018-12-02 13:13:03,284 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1204 transitions. [2018-12-02 13:13:03,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 13:13:03,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:03,387 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 13:13:03,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:03,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1000 states and 1210 transitions. [2018-12-02 13:13:03,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1210 transitions. [2018-12-02 13:13:03,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 13:13:03,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:03,780 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 13:13:03,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:03,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1016 states and 1230 transitions. [2018-12-02 13:13:03,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1230 transitions. [2018-12-02 13:13:03,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 13:13:03,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:04,014 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 13:13:04,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1028 states and 1241 transitions. [2018-12-02 13:13:04,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1241 transitions. [2018-12-02 13:13:04,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 13:13:04,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:04,149 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 13:13:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1057 states and 1276 transitions. [2018-12-02 13:13:04,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1276 transitions. [2018-12-02 13:13:04,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 13:13:04,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:04,950 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:13:05,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:05,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1064 states and 1288 transitions. [2018-12-02 13:13:05,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1288 transitions. [2018-12-02 13:13:05,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 13:13:05,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:05,875 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 13:13:06,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:06,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1081 states and 1306 transitions. [2018-12-02 13:13:06,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1306 transitions. [2018-12-02 13:13:06,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 13:13:06,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:06,327 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:13:06,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:06,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1123 states and 1347 transitions. [2018-12-02 13:13:06,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1347 transitions. [2018-12-02 13:13:06,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 13:13:06,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:13:07,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:07,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1128 states and 1352 transitions. [2018-12-02 13:13:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1352 transitions. [2018-12-02 13:13:07,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 13:13:07,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:07,206 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:13:07,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:07,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1142 states and 1366 transitions. [2018-12-02 13:13:07,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1366 transitions. [2018-12-02 13:13:07,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 13:13:07,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:07,519 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 13:13:07,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:07,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1156 states and 1380 transitions. [2018-12-02 13:13:07,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1380 transitions. [2018-12-02 13:13:07,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-02 13:13:07,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:07,807 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 13:13:08,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:08,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1168 states and 1395 transitions. [2018-12-02 13:13:08,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1395 transitions. [2018-12-02 13:13:08,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-02 13:13:08,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:08,869 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 13:13:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:09,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1173 states and 1399 transitions. [2018-12-02 13:13:09,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1399 transitions. [2018-12-02 13:13:09,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 13:13:09,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 76 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 13:13:09,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:09,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1197 states and 1424 transitions. [2018-12-02 13:13:09,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1424 transitions. [2018-12-02 13:13:09,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 13:13:09,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:09,473 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:13:10,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:10,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1213 states and 1446 transitions. [2018-12-02 13:13:10,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1446 transitions. [2018-12-02 13:13:10,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 13:13:10,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:10,872 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:13:11,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:11,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1218 states and 1450 transitions. [2018-12-02 13:13:11,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1450 transitions. [2018-12-02 13:13:11,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 13:13:11,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:11,131 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 13:13:11,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:11,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1221 states and 1458 transitions. [2018-12-02 13:13:11,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1458 transitions. [2018-12-02 13:13:11,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 13:13:11,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:11,936 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 13:13:14,220 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2018-12-02 13:13:16,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:16,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1275 states and 1513 transitions. [2018-12-02 13:13:16,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1513 transitions. [2018-12-02 13:13:16,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-02 13:13:16,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:17,455 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 13:13:21,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:21,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1346 states and 1587 transitions. [2018-12-02 13:13:21,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1587 transitions. [2018-12-02 13:13:21,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-02 13:13:21,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:21,181 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 13:13:22,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:22,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1355 states and 1594 transitions. [2018-12-02 13:13:22,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1594 transitions. [2018-12-02 13:13:23,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 13:13:23,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 148 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-02 13:13:24,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:24,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1359 states and 1599 transitions. [2018-12-02 13:13:24,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1599 transitions. [2018-12-02 13:13:24,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 13:13:24,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:24,903 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 13:13:25,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:25,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1386 states and 1628 transitions. [2018-12-02 13:13:25,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1628 transitions. [2018-12-02 13:13:25,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-02 13:13:25,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:25,215 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 13:13:26,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:26,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1440 states and 1685 transitions. [2018-12-02 13:13:26,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1685 transitions. [2018-12-02 13:13:26,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 13:13:26,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:26,549 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 13:13:27,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:27,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1503 states and 1751 transitions. [2018-12-02 13:13:27,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1751 transitions. [2018-12-02 13:13:27,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 13:13:27,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:27,957 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 146 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:13:34,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1599 states and 1859 transitions. [2018-12-02 13:13:34,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1859 transitions. [2018-12-02 13:13:34,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 13:13:34,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:34,500 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 146 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:13:34,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1603 states and 1862 transitions. [2018-12-02 13:13:34,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 1862 transitions. [2018-12-02 13:13:34,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 13:13:34,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 13:13:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:35,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1608 states and 1872 transitions. [2018-12-02 13:13:35,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 1872 transitions. [2018-12-02 13:13:35,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 13:13:35,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 13:13:35,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:35,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1609 states and 1873 transitions. [2018-12-02 13:13:35,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 1873 transitions. [2018-12-02 13:13:35,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 13:13:35,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:35,647 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 13:13:35,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:35,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1610 states and 1873 transitions. [2018-12-02 13:13:35,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 1873 transitions. [2018-12-02 13:13:35,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 13:13:35,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:35,861 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 109 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 13:13:36,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:36,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1643 states and 1907 transitions. [2018-12-02 13:13:36,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 1907 transitions. [2018-12-02 13:13:36,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 13:13:36,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:36,773 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 13:13:44,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:44,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1721 states and 1992 transitions. [2018-12-02 13:13:44,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 1992 transitions. [2018-12-02 13:13:44,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 13:13:44,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 13:13:45,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:45,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1727 states and 1997 transitions. [2018-12-02 13:13:45,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 1997 transitions. [2018-12-02 13:13:45,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 13:13:45,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:45,168 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 13:13:46,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:46,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 1739 states and 2010 transitions. [2018-12-02 13:13:46,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2010 transitions. [2018-12-02 13:13:46,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 13:13:46,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:46,332 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 13:13:46,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:46,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 1744 states and 2014 transitions. [2018-12-02 13:13:46,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2014 transitions. [2018-12-02 13:13:46,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 13:13:46,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:46,950 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 153 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:13:47,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:47,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 1751 states and 2023 transitions. [2018-12-02 13:13:47,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2023 transitions. [2018-12-02 13:13:47,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-02 13:13:47,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:13:47,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:47,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 1767 states and 2045 transitions. [2018-12-02 13:13:47,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2045 transitions. [2018-12-02 13:13:47,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 13:13:47,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:47,193 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-02 13:13:47,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 1778 states and 2055 transitions. [2018-12-02 13:13:47,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2055 transitions. [2018-12-02 13:13:47,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 13:13:47,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:47,479 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 13:13:48,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:48,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 1856 states and 2134 transitions. [2018-12-02 13:13:48,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2134 transitions. [2018-12-02 13:13:48,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-02 13:13:48,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:48,694 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 116 proven. 10 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-02 13:13:48,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:48,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 1866 states and 2143 transitions. [2018-12-02 13:13:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2143 transitions. [2018-12-02 13:13:48,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-02 13:13:48,863 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:48,889 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-02 13:13:49,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:49,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1866 states and 2142 transitions. [2018-12-02 13:13:49,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2142 transitions. [2018-12-02 13:13:49,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 13:13:49,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:49,088 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 135 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 13:13:49,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:49,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1885 states and 2160 transitions. [2018-12-02 13:13:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2160 transitions. [2018-12-02 13:13:49,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-02 13:13:49,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-02 13:13:50,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:50,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1894 states and 2172 transitions. [2018-12-02 13:13:50,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2172 transitions. [2018-12-02 13:13:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-02 13:13:50,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-02 13:13:50,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:50,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1897 states and 2174 transitions. [2018-12-02 13:13:50,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2174 transitions. [2018-12-02 13:13:50,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-02 13:13:50,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:50,695 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-02 13:13:52,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:52,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1915 states and 2193 transitions. [2018-12-02 13:13:52,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2193 transitions. [2018-12-02 13:13:52,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-02 13:13:52,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-02 13:13:53,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1925 states and 2202 transitions. [2018-12-02 13:13:53,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2202 transitions. [2018-12-02 13:13:53,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-02 13:13:53,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:53,733 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-02 13:13:54,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:54,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 1935 states and 2211 transitions. [2018-12-02 13:13:54,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2211 transitions. [2018-12-02 13:13:54,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 13:13:54,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:55,129 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 177 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 13:13:59,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:13:59,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2029 states and 2325 transitions. [2018-12-02 13:13:59,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2029 states and 2325 transitions. [2018-12-02 13:13:59,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 13:13:59,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:13:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:59,608 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 177 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 13:14:02,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 2116 states and 2424 transitions. [2018-12-02 13:14:02,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2424 transitions. [2018-12-02 13:14:02,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 13:14:02,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 177 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 13:14:02,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:02,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 2147 states and 2454 transitions. [2018-12-02 13:14:02,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 2454 transitions. [2018-12-02 13:14:02,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 13:14:02,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:02,526 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 177 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 13:14:03,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:03,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 2152 states and 2459 transitions. [2018-12-02 13:14:03,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2459 transitions. [2018-12-02 13:14:03,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 13:14:03,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 13:14:08,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:08,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2198 states and 2510 transitions. [2018-12-02 13:14:08,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 2510 transitions. [2018-12-02 13:14:08,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 13:14:08,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 13:14:12,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2238 states and 2548 transitions. [2018-12-02 13:14:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2548 transitions. [2018-12-02 13:14:12,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 13:14:12,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 13:14:18,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:18,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2286 states and 2595 transitions. [2018-12-02 13:14:18,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 2595 transitions. [2018-12-02 13:14:18,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-02 13:14:18,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 152 proven. 15 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 13:14:19,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:19,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2294 states and 2603 transitions. [2018-12-02 13:14:19,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2603 transitions. [2018-12-02 13:14:19,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-02 13:14:19,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:19,666 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 152 proven. 15 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 13:14:20,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:20,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2299 states and 2607 transitions. [2018-12-02 13:14:20,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 2607 transitions. [2018-12-02 13:14:20,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 13:14:20,013 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:20,781 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 13:14:27,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:27,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2318 states and 2628 transitions. [2018-12-02 13:14:27,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2628 transitions. [2018-12-02 13:14:27,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 13:14:27,052 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:27,144 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 13:14:28,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:28,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 2330 states and 2640 transitions. [2018-12-02 13:14:28,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 2640 transitions. [2018-12-02 13:14:28,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 13:14:28,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:28,301 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 13:14:34,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:34,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2381 states and 2689 transitions. [2018-12-02 13:14:34,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 2689 transitions. [2018-12-02 13:14:34,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 13:14:34,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 13:14:41,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:41,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2727 states to 2420 states and 2727 transitions. [2018-12-02 13:14:41,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 2727 transitions. [2018-12-02 13:14:41,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-02 13:14:41,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:41,646 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 13:14:41,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:41,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2442 states and 2748 transitions. [2018-12-02 13:14:41,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2442 states and 2748 transitions. [2018-12-02 13:14:41,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-02 13:14:41,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:42,006 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 13:14:42,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:42,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2443 states and 2749 transitions. [2018-12-02 13:14:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2443 states and 2749 transitions. [2018-12-02 13:14:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-02 13:14:42,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:42,070 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 13:14:42,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:42,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2750 states to 2445 states and 2750 transitions. [2018-12-02 13:14:42,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 2750 transitions. [2018-12-02 13:14:42,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-02 13:14:42,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:42,425 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 13:14:43,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:43,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2455 states and 2759 transitions. [2018-12-02 13:14:43,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2455 states and 2759 transitions. [2018-12-02 13:14:43,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-02 13:14:43,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:43,057 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-02 13:14:43,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:43,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2534 states and 2841 transitions. [2018-12-02 13:14:43,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 2841 transitions. [2018-12-02 13:14:43,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-02 13:14:43,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:43,861 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 13:14:44,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2555 states and 2862 transitions. [2018-12-02 13:14:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 2862 transitions. [2018-12-02 13:14:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-02 13:14:44,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:44,627 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:14:46,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:46,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2584 states and 2894 transitions. [2018-12-02 13:14:46,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 2894 transitions. [2018-12-02 13:14:46,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-02 13:14:46,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:46,736 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:14:47,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:47,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2604 states and 2913 transitions. [2018-12-02 13:14:47,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 2913 transitions. [2018-12-02 13:14:47,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-02 13:14:47,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:47,422 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:14:47,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2609 states and 2917 transitions. [2018-12-02 13:14:47,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 2917 transitions. [2018-12-02 13:14:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-02 13:14:47,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:47,889 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 146 proven. 8 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 13:14:48,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:48,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2618 states and 2930 transitions. [2018-12-02 13:14:48,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2618 states and 2930 transitions. [2018-12-02 13:14:48,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-02 13:14:48,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:48,459 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-02 13:14:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:48,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2619 states and 2930 transitions. [2018-12-02 13:14:48,702 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 2930 transitions. [2018-12-02 13:14:48,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-02 13:14:48,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:48,756 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-02 13:14:49,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:49,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2620 states and 2930 transitions. [2018-12-02 13:14:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 2930 transitions. [2018-12-02 13:14:49,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-02 13:14:49,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:49,908 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:14:55,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:55,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 2665 states and 2991 transitions. [2018-12-02 13:14:55,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2665 states and 2991 transitions. [2018-12-02 13:14:55,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 13:14:55,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 285 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 13:14:55,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:55,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 2674 states and 2999 transitions. [2018-12-02 13:14:55,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 2999 transitions. [2018-12-02 13:14:55,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 13:14:55,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:55,748 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 285 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 13:14:55,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:55,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 2678 states and 3003 transitions. [2018-12-02 13:14:55,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2678 states and 3003 transitions. [2018-12-02 13:14:55,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 13:14:55,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:56,038 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 306 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-12-02 13:14:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:14:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 2697 states and 3024 transitions. [2018-12-02 13:14:56,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2697 states and 3024 transitions. [2018-12-02 13:14:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-02 13:14:56,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:14:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:56,628 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 13:15:00,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:15:00,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3049 states to 2713 states and 3049 transitions. [2018-12-02 13:15:00,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 3049 transitions. [2018-12-02 13:15:00,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-02 13:15:00,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:15:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:00,849 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 13:15:04,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:15:04,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3073 states to 2732 states and 3073 transitions. [2018-12-02 13:15:04,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 3073 transitions. [2018-12-02 13:15:04,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-02 13:15:04,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:15:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:04,273 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 13:15:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:15:05,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3078 states to 2736 states and 3078 transitions. [2018-12-02 13:15:05,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2736 states and 3078 transitions. [2018-12-02 13:15:05,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-02 13:15:05,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:15:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:05,119 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 13:15:05,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:15:05,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 2740 states and 3082 transitions. [2018-12-02 13:15:05,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2740 states and 3082 transitions. [2018-12-02 13:15:05,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-02 13:15:05,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:15:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:05,468 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 13:15:06,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:15:06,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 2749 states and 3091 transitions. [2018-12-02 13:15:06,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 3091 transitions. [2018-12-02 13:15:06,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-02 13:15:06,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:15:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 13:15:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:15:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 2752 states and 3095 transitions. [2018-12-02 13:15:06,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 3095 transitions. [2018-12-02 13:15:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-02 13:15:06,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:15:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:07,560 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 344 proven. 8 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 13:15:14,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:15:14,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 2784 states and 3137 transitions. [2018-12-02 13:15:14,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3137 transitions. [2018-12-02 13:15:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-02 13:15:14,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:15:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 344 proven. 8 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 13:15:19,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:15:19,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3180 states to 2823 states and 3180 transitions. [2018-12-02 13:15:19,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3180 transitions. [2018-12-02 13:15:19,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-02 13:15:19,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:15:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:19,480 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 344 proven. 8 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 13:15:24,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:15:24,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 2868 states and 3229 transitions. [2018-12-02 13:15:24,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2868 states and 3229 transitions. [2018-12-02 13:15:24,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-02 13:15:24,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:15:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:25,123 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 344 proven. 8 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 13:15:27,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:15:27,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 2879 states and 3238 transitions. [2018-12-02 13:15:27,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 3238 transitions. [2018-12-02 13:15:27,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-02 13:15:27,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:15:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:27,558 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-12-02 13:15:28,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:15:28,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 2899 states and 3258 transitions. [2018-12-02 13:15:28,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 3258 transitions. [2018-12-02 13:15:28,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-12-02 13:15:28,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:15:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:28,562 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-12-02 13:15:29,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:15:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3265 states to 2905 states and 3265 transitions. [2018-12-02 13:15:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2905 states and 3265 transitions. [2018-12-02 13:15:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-02 13:15:29,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:15:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:29,882 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-02 13:15:32,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:15:32,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 3003 states and 3368 transitions. [2018-12-02 13:15:32,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 3368 transitions. [2018-12-02 13:15:32,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-02 13:15:32,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:15:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 13:15:41,304 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 13:15:43,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:15:43,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 3064 states and 3432 transitions. [2018-12-02 13:15:43,536 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 3432 transitions. [2018-12-02 13:15:43,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-02 13:15:43,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:15:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 13:15:44,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:15:44,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3438 states to 3072 states and 3438 transitions. [2018-12-02 13:15:44,553 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 3438 transitions. [2018-12-02 13:15:44,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 13:15:44,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:15:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-02 13:15:47,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:15:47,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3518 states to 3150 states and 3518 transitions. [2018-12-02 13:15:47,910 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 3518 transitions. [2018-12-02 13:15:47,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-02 13:15:47,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:15:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:49,427 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 337 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:16:03,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:16:03,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3632 states to 3241 states and 3632 transitions. [2018-12-02 13:16:03,235 INFO L276 IsEmpty]: Start isEmpty. Operand 3241 states and 3632 transitions. [2018-12-02 13:16:03,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-02 13:16:03,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:16:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:16:03,396 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 337 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:16:07,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:16:07,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3669 states to 3281 states and 3669 transitions. [2018-12-02 13:16:07,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3281 states and 3669 transitions. [2018-12-02 13:16:07,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-02 13:16:07,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:16:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:16:07,314 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 337 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:16:09,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:16:09,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 3330 states and 3714 transitions. [2018-12-02 13:16:09,386 INFO L276 IsEmpty]: Start isEmpty. Operand 3330 states and 3714 transitions. [2018-12-02 13:16:09,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-02 13:16:09,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:16:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:16:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-12-02 13:16:09,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:16:09,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3352 states and 3734 transitions. [2018-12-02 13:16:09,594 INFO L276 IsEmpty]: Start isEmpty. Operand 3352 states and 3734 transitions. [2018-12-02 13:16:09,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-02 13:16:09,595 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:16:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:16:09,661 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-12-02 13:16:09,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:16:09,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3735 states to 3353 states and 3735 transitions. [2018-12-02 13:16:09,954 INFO L276 IsEmpty]: Start isEmpty. Operand 3353 states and 3735 transitions. [2018-12-02 13:16:09,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-02 13:16:09,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:16:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:16:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-12-02 13:16:10,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:16:10,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3735 states to 3354 states and 3735 transitions. [2018-12-02 13:16:10,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3354 states and 3735 transitions. [2018-12-02 13:16:10,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-02 13:16:10,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:16:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:16:10,668 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-12-02 13:16:10,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:16:10,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 3376 states and 3757 transitions. [2018-12-02 13:16:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 3376 states and 3757 transitions. [2018-12-02 13:16:10,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-02 13:16:10,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:16:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:16:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-12-02 13:16:17,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:16:17,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3403 states and 3791 transitions. [2018-12-02 13:16:17,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3403 states and 3791 transitions. [2018-12-02 13:16:17,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-02 13:16:17,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:16:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:16:17,635 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 12 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2018-12-02 13:16:17,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:16:17,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3795 states to 3407 states and 3795 transitions. [2018-12-02 13:16:17,954 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 3795 transitions. [2018-12-02 13:16:17,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-02 13:16:17,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:16:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:16:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 454 proven. 8 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-02 13:16:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:16:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3803 states to 3416 states and 3803 transitions. [2018-12-02 13:16:18,301 INFO L276 IsEmpty]: Start isEmpty. Operand 3416 states and 3803 transitions. [2018-12-02 13:16:18,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-02 13:16:18,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:16:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:16:18,833 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 620 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 13:16:19,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:16:19,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3805 states to 3417 states and 3805 transitions. [2018-12-02 13:16:19,436 INFO L276 IsEmpty]: Start isEmpty. Operand 3417 states and 3805 transitions. [2018-12-02 13:16:19,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-02 13:16:19,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:16:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:16:19,931 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 620 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 13:16:21,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:16:21,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3420 states and 3808 transitions. [2018-12-02 13:16:21,231 INFO L276 IsEmpty]: Start isEmpty. Operand 3420 states and 3808 transitions. [2018-12-02 13:16:21,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 13:16:21,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:16:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:16:22,651 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 536 proven. 23 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 13:16:27,605 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2018-12-02 13:16:33,147 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2018-12-02 13:16:39,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:16:39,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3875 states to 3478 states and 3875 transitions. [2018-12-02 13:16:39,007 INFO L276 IsEmpty]: Start isEmpty. Operand 3478 states and 3875 transitions. [2018-12-02 13:16:39,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 13:16:39,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:16:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:16:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 536 proven. 23 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 13:16:46,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:16:46,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3510 states and 3907 transitions. [2018-12-02 13:16:46,512 INFO L276 IsEmpty]: Start isEmpty. Operand 3510 states and 3907 transitions. [2018-12-02 13:16:46,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 13:16:46,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:16:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:16:47,135 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 536 proven. 23 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 13:16:56,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:16:56,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3967 states to 3562 states and 3967 transitions. [2018-12-02 13:16:56,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states and 3967 transitions. [2018-12-02 13:16:56,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 13:16:56,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:16:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:16:57,334 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 536 proven. 23 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 13:16:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:16:59,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3974 states to 3567 states and 3974 transitions. [2018-12-02 13:16:59,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3567 states and 3974 transitions. [2018-12-02 13:16:59,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 13:16:59,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:16:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:17:00,509 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 536 proven. 23 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 13:17:01,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:17:01,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3978 states to 3571 states and 3978 transitions. [2018-12-02 13:17:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3571 states and 3978 transitions. [2018-12-02 13:17:01,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-02 13:17:01,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:17:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:17:01,312 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-12-02 13:17:01,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:17:01,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3979 states to 3573 states and 3979 transitions. [2018-12-02 13:17:01,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3573 states and 3979 transitions. [2018-12-02 13:17:01,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-12-02 13:17:01,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:17:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:17:01,874 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 651 proven. 6 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 13:17:03,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:17:03,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4021 states to 3613 states and 4021 transitions. [2018-12-02 13:17:03,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 4021 transitions. [2018-12-02 13:17:03,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:17:03,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:17:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:17:04,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:17:20,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:17:20,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4095 states to 3677 states and 4095 transitions. [2018-12-02 13:17:20,116 INFO L276 IsEmpty]: Start isEmpty. Operand 3677 states and 4095 transitions. [2018-12-02 13:17:20,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:17:20,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:17:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:17:20,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:17:27,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:17:27,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4141 states to 3719 states and 4141 transitions. [2018-12-02 13:17:27,669 INFO L276 IsEmpty]: Start isEmpty. Operand 3719 states and 4141 transitions. [2018-12-02 13:17:27,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:17:27,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:17:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:17:28,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:17:29,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:17:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4147 states to 3726 states and 4147 transitions. [2018-12-02 13:17:29,323 INFO L276 IsEmpty]: Start isEmpty. Operand 3726 states and 4147 transitions. [2018-12-02 13:17:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:17:29,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:17:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:17:29,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:17:34,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:17:34,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4162 states to 3742 states and 4162 transitions. [2018-12-02 13:17:34,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4162 transitions. [2018-12-02 13:17:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:17:34,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:17:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:17:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:17:36,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:17:36,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4170 states to 3750 states and 4170 transitions. [2018-12-02 13:17:36,123 INFO L276 IsEmpty]: Start isEmpty. Operand 3750 states and 4170 transitions. [2018-12-02 13:17:36,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:17:36,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:17:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:17:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:17:38,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:17:38,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4174 states to 3755 states and 4174 transitions. [2018-12-02 13:17:38,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 4174 transitions. [2018-12-02 13:17:38,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:17:38,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:17:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:17:38,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:17:40,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:17:40,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4187 states to 3767 states and 4187 transitions. [2018-12-02 13:17:40,884 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 4187 transitions. [2018-12-02 13:17:40,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:17:40,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:17:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:17:41,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:17:45,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:17:45,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4218 states to 3799 states and 4218 transitions. [2018-12-02 13:17:45,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3799 states and 4218 transitions. [2018-12-02 13:17:45,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:17:45,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:17:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:17:45,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:17:47,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:17:47,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4229 states to 3811 states and 4229 transitions. [2018-12-02 13:17:47,697 INFO L276 IsEmpty]: Start isEmpty. Operand 3811 states and 4229 transitions. [2018-12-02 13:17:47,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:17:47,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:17:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:17:48,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:17:49,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:17:49,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4233 states to 3816 states and 4233 transitions. [2018-12-02 13:17:49,866 INFO L276 IsEmpty]: Start isEmpty. Operand 3816 states and 4233 transitions. [2018-12-02 13:17:49,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:17:49,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:17:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:17:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:17:55,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:17:55,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4260 states to 3840 states and 4260 transitions. [2018-12-02 13:17:55,385 INFO L276 IsEmpty]: Start isEmpty. Operand 3840 states and 4260 transitions. [2018-12-02 13:17:55,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:17:55,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:17:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:17:56,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:17:57,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:17:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 3841 states and 4261 transitions. [2018-12-02 13:17:57,691 INFO L276 IsEmpty]: Start isEmpty. Operand 3841 states and 4261 transitions. [2018-12-02 13:17:57,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:17:57,693 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:17:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:17:58,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:18:03,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:18:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4289 states to 3867 states and 4289 transitions. [2018-12-02 13:18:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 4289 transitions. [2018-12-02 13:18:03,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:18:03,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:18:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:18:03,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:18:05,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:18:05,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4294 states to 3871 states and 4294 transitions. [2018-12-02 13:18:05,291 INFO L276 IsEmpty]: Start isEmpty. Operand 3871 states and 4294 transitions. [2018-12-02 13:18:05,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:18:05,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:18:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:18:05,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:18:06,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:18:06,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4298 states to 3875 states and 4298 transitions. [2018-12-02 13:18:06,079 INFO L276 IsEmpty]: Start isEmpty. Operand 3875 states and 4298 transitions. [2018-12-02 13:18:06,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:18:06,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:18:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:18:06,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:18:07,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:18:07,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4300 states to 3878 states and 4300 transitions. [2018-12-02 13:18:07,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 4300 transitions. [2018-12-02 13:18:07,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:18:07,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:18:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:18:08,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:18:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:18:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4304 states to 3881 states and 4304 transitions. [2018-12-02 13:18:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 3881 states and 4304 transitions. [2018-12-02 13:18:09,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:18:09,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:18:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:18:10,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:18:11,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:18:11,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4305 states to 3882 states and 4305 transitions. [2018-12-02 13:18:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3882 states and 4305 transitions. [2018-12-02 13:18:11,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:18:11,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:18:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:18:12,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:18:14,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:18:14,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4322 states to 3898 states and 4322 transitions. [2018-12-02 13:18:14,658 INFO L276 IsEmpty]: Start isEmpty. Operand 3898 states and 4322 transitions. [2018-12-02 13:18:14,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:18:14,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:18:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:18:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:18:18,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:18:18,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4341 states to 3915 states and 4341 transitions. [2018-12-02 13:18:18,731 INFO L276 IsEmpty]: Start isEmpty. Operand 3915 states and 4341 transitions. [2018-12-02 13:18:18,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 13:18:18,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:18:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:18:19,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 754 proven. 70 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 13:18:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:18:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 2079 states and 2252 transitions. [2018-12-02 13:18:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2252 transitions. [2018-12-02 13:18:20,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 13:18:20,890 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 183 iterations. [2018-12-02 13:18:20,897 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 13:18:21,094 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 54 [2018-12-02 13:18:21,338 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 59 [2018-12-02 13:18:21,613 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 55 [2018-12-02 13:18:21,908 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 56 [2018-12-02 13:18:22,089 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2018-12-02 13:18:22,360 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2018-12-02 13:18:22,474 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2018-12-02 13:18:22,608 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2018-12-02 13:18:22,836 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 56 [2018-12-02 13:18:23,092 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 56 [2018-12-02 13:18:23,321 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2018-12-02 13:18:23,446 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2018-12-02 13:18:23,601 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 51 [2018-12-02 13:18:23,759 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2018-12-02 13:18:23,917 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2018-12-02 13:18:24,048 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2018-12-02 13:18:24,225 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 55 [2018-12-02 13:18:24,496 WARN L180 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 60 [2018-12-02 13:18:24,756 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 59 [2018-12-02 13:18:24,894 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2018-12-02 13:18:25,077 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 42 [2018-12-02 13:18:25,333 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 56 [2018-12-02 13:18:25,503 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2018-12-02 13:18:25,661 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2018-12-02 13:18:25,800 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2018-12-02 13:18:26,118 WARN L180 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 59 [2018-12-02 13:18:26,285 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2018-12-02 13:18:26,679 WARN L180 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 59 [2018-12-02 13:18:26,850 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2018-12-02 13:18:27,156 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 55 [2018-12-02 13:18:27,361 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2018-12-02 13:18:27,647 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2018-12-02 13:18:27,882 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 51 [2018-12-02 13:18:28,187 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 55 [2018-12-02 13:18:28,334 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2018-12-02 13:18:28,440 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2018-12-02 13:18:28,665 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 55 [2018-12-02 13:18:28,786 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2018-12-02 13:18:28,895 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 49 [2018-12-02 13:18:29,150 WARN L180 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 58 [2018-12-02 13:18:29,407 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2018-12-02 13:18:29,537 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 51 [2018-12-02 13:18:29,709 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 42 [2018-12-02 13:18:29,897 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 55 [2018-12-02 13:18:30,025 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2018-12-02 13:18:30,186 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2018-12-02 13:18:30,438 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 54 [2018-12-02 13:18:30,584 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 54 [2018-12-02 13:18:30,787 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2018-12-02 13:18:30,927 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2018-12-02 13:18:31,059 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2018-12-02 13:18:31,260 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 55 [2018-12-02 13:18:31,437 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 55 [2018-12-02 13:18:31,595 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2018-12-02 13:18:31,818 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 56 [2018-12-02 13:18:31,957 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 52 [2018-12-02 13:18:32,061 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2018-12-02 13:18:32,170 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2018-12-02 13:18:32,419 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 59 [2018-12-02 13:18:32,605 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 54 [2018-12-02 13:18:32,826 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2018-12-02 13:18:32,970 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 51 [2018-12-02 13:18:33,177 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 42 [2018-12-02 13:18:33,376 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2018-12-02 13:18:33,570 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 55 [2018-12-02 13:18:33,696 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 49 [2018-12-02 13:18:33,973 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 57 [2018-12-02 13:18:34,096 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2018-12-02 13:18:34,357 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2018-12-02 13:18:34,358 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 13:18:34,359 INFO L583 CodeCheckObserver]: Invariant with dag size 42 [2018-12-02 13:18:34,367 INFO L583 CodeCheckObserver]: Invariant with dag size 42 [2018-12-02 13:18:34,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 01:18:34 ImpRootNode [2018-12-02 13:18:34,368 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 13:18:34,369 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:18:34,369 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:18:34,369 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:18:34,369 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:41" (3/4) ... [2018-12-02 13:18:34,371 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 13:18:34,410 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-02 13:18:34,411 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 13:18:34,411 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-02 13:18:34,412 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 13:18:34,474 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8e4c4ea0-1975-49ab-ac02-6905beb4c777/bin-2019/ukojak/witness.graphml [2018-12-02 13:18:34,474 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:18:34,475 INFO L168 Benchmark]: Toolchain (without parser) took 354007.90 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 908.1 MB). Free memory was 950.7 MB in the beginning and 1.5 GB in the end (delta: -500.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-02 13:18:34,475 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:18:34,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 950.7 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:34,475 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:34,475 INFO L168 Benchmark]: Boogie Preprocessor took 28.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:34,476 INFO L168 Benchmark]: RCFGBuilder took 1013.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 885.1 MB in the end (delta: 212.6 MB). Peak memory consumption was 212.6 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:34,476 INFO L168 Benchmark]: CodeCheck took 352490.84 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 830.5 MB). Free memory was 885.1 MB in the beginning and 409.9 MB in the end (delta: 475.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-02 13:18:34,476 INFO L168 Benchmark]: Witness Printer took 105.67 ms. Allocated memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: -36.2 MB). Free memory was 409.9 MB in the beginning and 1.5 GB in the end (delta: -1.0 GB). Peak memory consumption was 4.5 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:34,477 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, 338.9s OverallTime, 183 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1596982296 SDtfs, 2094813310 SDslu, 190849816 SDs, 0 SdLazy, -1728825158 SolverSat, 860231040 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 985.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 264270 GetRequests, 254119 SyntacticMatches, 8293 SemanticMatches, 1858 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2986965 ImplicationChecksByTransitivity, 305.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 36.9s InterpolantComputationTime, 41059 NumberOfCodeBlocks, 41059 NumberOfCodeBlocksAsserted, 182 NumberOfCheckSat, 40877 ConstructedInterpolants, 0 QuantifiedInterpolants, 48285622 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 182 InterpolantComputations, 107 PerfectInterpolantSequences, 53607/56557 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: 592]: 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: ((((((((((a28 == 8 && !(a11 == 1)) || (!(a19 == 1) && a11 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 == 1) && a11 == 1)) || (((a28 == 10 && a17 == 8) && a21 == 1) && a25 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 <= 0) && a11 == 1)) || ((a19 == 1 && a28 == 7) && !(a17 == 9))) || ((((a28 == 9 && a17 == 8) && a19 == 1) && a21 == 1) && !(a11 == 1))) || ((((a28 == 10 && a17 == 8) && a19 == 1) && a21 == 1) && !(a11 == 1))) || (((((a28 == 11 && a17 == 8) && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || ((a19 == 1 && a28 == 7) && !(a11 == 1))) || ((((a19 <= 0 && !(a25 == 1)) && a17 == 8) && a28 == 7) && a21 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((a28 == 8 && !(a11 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 == 1) && a11 == 1)) || (((a28 == 10 && a17 == 8) && a21 == 1) && a25 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 <= 0) && a11 == 1)) || ((a28 == 7 && a11 == 1) && !(a17 == 9))) || ((((a28 == 9 && a17 == 8) && a19 == 1) && a21 == 1) && !(a11 == 1))) || ((a19 == 1 && a28 == 7) && !(a11 == 1))) || ((((a28 == 10 && a17 == 8) && a19 == 1) && a21 == 1) && !(a11 == 1))) || (!(a19 == 1) && a11 == 1)) || (((((a28 == 11 && a17 == 8) && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || ((((a19 <= 0 && !(a25 == 1)) && a17 == 8) && a28 == 7) && a21 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 950.7 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1013.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 885.1 MB in the end (delta: 212.6 MB). Peak memory consumption was 212.6 MB. Max. memory is 11.5 GB. * CodeCheck took 352490.84 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 830.5 MB). Free memory was 885.1 MB in the beginning and 409.9 MB in the end (delta: 475.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 105.67 ms. Allocated memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: -36.2 MB). Free memory was 409.9 MB in the beginning and 1.5 GB in the end (delta: -1.0 GB). Peak memory consumption was 4.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...