./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_srvr_1a_true-unreach-call_false-termination.cil.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_f7ef766e-979d-4fd5-a363-f2cd171387d5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f7ef766e-979d-4fd5-a363-f2cd171387d5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f7ef766e-979d-4fd5-a363-f2cd171387d5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f7ef766e-979d-4fd5-a363-f2cd171387d5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_srvr_1a_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f7ef766e-979d-4fd5-a363-f2cd171387d5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f7ef766e-979d-4fd5-a363-f2cd171387d5/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 253410f53553d69ef02e4dba1b07bb26de7bec75 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:15:48,806 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:15:48,807 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:15:48,814 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:15:48,814 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:15:48,815 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:15:48,815 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:15:48,816 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:15:48,817 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:15:48,818 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:15:48,818 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:15:48,818 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:15:48,819 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:15:48,820 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:15:48,820 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:15:48,821 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:15:48,821 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:15:48,822 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:15:48,824 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:15:48,825 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:15:48,825 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:15:48,826 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:15:48,828 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:15:48,828 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:15:48,828 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:15:48,829 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:15:48,829 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:15:48,830 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:15:48,830 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:15:48,831 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:15:48,831 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:15:48,832 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:15:48,832 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:15:48,832 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:15:48,833 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:15:48,833 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:15:48,833 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f7ef766e-979d-4fd5-a363-f2cd171387d5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 00:15:48,843 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:15:48,843 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:15:48,844 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:15:48,844 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:15:48,845 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:15:48,845 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:15:48,845 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:15:48,845 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:15:48,845 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:15:48,845 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:15:48,845 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:15:48,845 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:15:48,846 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:15:48,846 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:15:48,846 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:15:48,846 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:15:48,846 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:15:48,846 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:15:48,846 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:15:48,846 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:15:48,847 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:15:48,847 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:15:48,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:15:48,847 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:15:48,847 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:15:48,847 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:15:48,847 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:15:48,847 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:15:48,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:15:48,847 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_f7ef766e-979d-4fd5-a363-f2cd171387d5/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 -> 253410f53553d69ef02e4dba1b07bb26de7bec75 [2018-12-09 00:15:48,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:15:48,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:15:48,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:15:48,882 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:15:48,883 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:15:48,883 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f7ef766e-979d-4fd5-a363-f2cd171387d5/bin-2019/ukojak/../../sv-benchmarks/c/ssh-simplified/s3_srvr_1a_true-unreach-call_false-termination.cil.c [2018-12-09 00:15:48,918 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7ef766e-979d-4fd5-a363-f2cd171387d5/bin-2019/ukojak/data/42e6ac431/23bef77c662245f9909faec69868e300/FLAG519ef7250 [2018-12-09 00:15:49,303 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:15:49,303 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f7ef766e-979d-4fd5-a363-f2cd171387d5/sv-benchmarks/c/ssh-simplified/s3_srvr_1a_true-unreach-call_false-termination.cil.c [2018-12-09 00:15:49,307 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7ef766e-979d-4fd5-a363-f2cd171387d5/bin-2019/ukojak/data/42e6ac431/23bef77c662245f9909faec69868e300/FLAG519ef7250 [2018-12-09 00:15:49,316 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f7ef766e-979d-4fd5-a363-f2cd171387d5/bin-2019/ukojak/data/42e6ac431/23bef77c662245f9909faec69868e300 [2018-12-09 00:15:49,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:15:49,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:15:49,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:15:49,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:15:49,321 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:15:49,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:15:49" (1/1) ... [2018-12-09 00:15:49,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97cb65a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:15:49, skipping insertion in model container [2018-12-09 00:15:49,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:15:49" (1/1) ... [2018-12-09 00:15:49,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:15:49,339 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:15:49,432 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:15:49,434 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:15:49,448 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:15:49,456 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:15:49,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:15:49 WrapperNode [2018-12-09 00:15:49,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:15:49,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:15:49,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:15:49,457 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:15:49,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:15:49" (1/1) ... [2018-12-09 00:15:49,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:15:49" (1/1) ... [2018-12-09 00:15:49,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:15:49,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:15:49,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:15:49,478 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:15:49,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:15:49" (1/1) ... [2018-12-09 00:15:49,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:15:49" (1/1) ... [2018-12-09 00:15:49,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:15:49" (1/1) ... [2018-12-09 00:15:49,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:15:49" (1/1) ... [2018-12-09 00:15:49,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:15:49" (1/1) ... [2018-12-09 00:15:49,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:15:49" (1/1) ... [2018-12-09 00:15:49,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:15:49" (1/1) ... [2018-12-09 00:15:49,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:15:49,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:15:49,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:15:49,522 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:15:49,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:15:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7ef766e-979d-4fd5-a363-f2cd171387d5/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 [2018-12-09 00:15:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:15:49,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:15:49,742 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:15:49,743 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 00:15:49,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:15:49 BoogieIcfgContainer [2018-12-09 00:15:49,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:15:49,744 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:15:49,744 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:15:49,750 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:15:49,750 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:15:49" (1/1) ... [2018-12-09 00:15:49,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:15:49,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:49,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2018-12-09 00:15:49,781 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2018-12-09 00:15:49,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 00:15:49,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:15:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:49,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 32 states and 67 transitions. [2018-12-09 00:15:49,890 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 67 transitions. [2018-12-09 00:15:49,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 00:15:49,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:15:49,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:49,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 37 states and 101 transitions. [2018-12-09 00:15:49,977 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 101 transitions. [2018-12-09 00:15:49,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 00:15:49,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:50,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:15:50,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:50,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 40 states and 104 transitions. [2018-12-09 00:15:50,080 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 104 transitions. [2018-12-09 00:15:50,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 00:15:50,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:15:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:50,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 43 states and 110 transitions. [2018-12-09 00:15:50,215 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 110 transitions. [2018-12-09 00:15:50,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:15:50,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:50,246 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:15:50,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:50,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 47 states and 130 transitions. [2018-12-09 00:15:50,343 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 130 transitions. [2018-12-09 00:15:50,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:15:50,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:50,366 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:15:50,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:50,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 51 states and 133 transitions. [2018-12-09 00:15:50,479 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 133 transitions. [2018-12-09 00:15:50,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:15:50,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:50,509 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:15:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:50,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 53 states and 136 transitions. [2018-12-09 00:15:50,601 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 136 transitions. [2018-12-09 00:15:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 00:15:50,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:50,618 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:15:50,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:50,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 55 states and 140 transitions. [2018-12-09 00:15:50,777 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 140 transitions. [2018-12-09 00:15:50,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 00:15:50,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 00:15:50,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:50,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 55 states and 139 transitions. [2018-12-09 00:15:50,919 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 139 transitions. [2018-12-09 00:15:50,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 00:15:50,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:50,957 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:15:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:51,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 61 states and 149 transitions. [2018-12-09 00:15:51,328 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 149 transitions. [2018-12-09 00:15:51,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 00:15:51,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:51,361 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:15:51,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:51,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 63 states and 154 transitions. [2018-12-09 00:15:51,459 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 154 transitions. [2018-12-09 00:15:51,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 00:15:51,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:51,468 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:15:51,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:51,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 64 states and 155 transitions. [2018-12-09 00:15:51,476 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 155 transitions. [2018-12-09 00:15:51,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 00:15:51,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:15:51,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 65 states and 156 transitions. [2018-12-09 00:15:51,495 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 156 transitions. [2018-12-09 00:15:51,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 00:15:51,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:51,502 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:15:51,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:51,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 68 states and 161 transitions. [2018-12-09 00:15:51,582 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 161 transitions. [2018-12-09 00:15:51,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 00:15:51,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:51,595 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:15:51,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:51,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 69 states and 162 transitions. [2018-12-09 00:15:51,612 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 162 transitions. [2018-12-09 00:15:51,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 00:15:51,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:15:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:51,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 70 states and 163 transitions. [2018-12-09 00:15:51,635 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 163 transitions. [2018-12-09 00:15:51,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 00:15:51,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:51,642 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 00:15:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:51,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 74 states and 168 transitions. [2018-12-09 00:15:51,946 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 168 transitions. [2018-12-09 00:15:51,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 00:15:51,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:51,955 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:15:51,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:51,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 75 states and 169 transitions. [2018-12-09 00:15:51,969 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 169 transitions. [2018-12-09 00:15:51,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 00:15:51,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:51,996 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:15:52,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:52,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 81 states and 176 transitions. [2018-12-09 00:15:52,339 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 176 transitions. [2018-12-09 00:15:52,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 00:15:52,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:15:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:52,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 84 states and 179 transitions. [2018-12-09 00:15:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 179 transitions. [2018-12-09 00:15:52,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 00:15:52,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:52,546 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:15:52,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:52,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 88 states and 182 transitions. [2018-12-09 00:15:52,673 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 182 transitions. [2018-12-09 00:15:52,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 00:15:52,673 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:52,682 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:15:52,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 90 states and 183 transitions. [2018-12-09 00:15:52,802 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 183 transitions. [2018-12-09 00:15:52,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 00:15:52,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:52,829 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:15:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:52,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 92 states and 185 transitions. [2018-12-09 00:15:52,936 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 185 transitions. [2018-12-09 00:15:52,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 00:15:52,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:15:52,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:52,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 93 states and 186 transitions. [2018-12-09 00:15:52,956 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 186 transitions. [2018-12-09 00:15:52,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 00:15:52,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:15:53,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:53,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 104 states and 200 transitions. [2018-12-09 00:15:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 200 transitions. [2018-12-09 00:15:53,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 00:15:53,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:53,540 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 00:15:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:53,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 106 states and 203 transitions. [2018-12-09 00:15:53,559 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 203 transitions. [2018-12-09 00:15:53,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 00:15:53,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:53,598 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 00:15:54,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:54,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 113 states and 212 transitions. [2018-12-09 00:15:54,220 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 212 transitions. [2018-12-09 00:15:54,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 00:15:54,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:54,227 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 00:15:54,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:54,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 115 states and 213 transitions. [2018-12-09 00:15:54,364 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 213 transitions. [2018-12-09 00:15:54,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 00:15:54,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:54,370 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 00:15:54,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:54,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 118 states and 215 transitions. [2018-12-09 00:15:54,505 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 215 transitions. [2018-12-09 00:15:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 00:15:54,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:54,510 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 00:15:54,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:54,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 122 states and 218 transitions. [2018-12-09 00:15:54,679 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 218 transitions. [2018-12-09 00:15:54,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 00:15:54,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:54,685 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 00:15:54,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:54,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 124 states and 221 transitions. [2018-12-09 00:15:54,697 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 221 transitions. [2018-12-09 00:15:54,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 00:15:54,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:54,703 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:15:54,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:54,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 128 states and 225 transitions. [2018-12-09 00:15:54,894 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 225 transitions. [2018-12-09 00:15:54,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 00:15:54,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:54,901 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:15:55,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:55,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 131 states and 228 transitions. [2018-12-09 00:15:55,018 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 228 transitions. [2018-12-09 00:15:55,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 00:15:55,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:55,026 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:15:55,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 133 states and 230 transitions. [2018-12-09 00:15:55,149 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 230 transitions. [2018-12-09 00:15:55,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 00:15:55,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 00:15:55,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:55,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 135 states and 233 transitions. [2018-12-09 00:15:55,175 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 233 transitions. [2018-12-09 00:15:55,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 00:15:55,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 00:15:55,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:55,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 136 states and 233 transitions. [2018-12-09 00:15:55,199 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 233 transitions. [2018-12-09 00:15:55,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 00:15:55,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:55,210 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 00:15:55,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:55,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 137 states and 234 transitions. [2018-12-09 00:15:55,242 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2018-12-09 00:15:55,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 00:15:55,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:55,291 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:15:56,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:56,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 162 states and 263 transitions. [2018-12-09 00:15:56,041 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 263 transitions. [2018-12-09 00:15:56,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 00:15:56,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:56,060 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:15:56,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:56,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 164 states and 265 transitions. [2018-12-09 00:15:56,166 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 265 transitions. [2018-12-09 00:15:56,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 00:15:56,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:56,204 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 00:15:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 172 states and 274 transitions. [2018-12-09 00:15:56,908 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 274 transitions. [2018-12-09 00:15:56,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 00:15:56,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 00:15:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:57,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 175 states and 277 transitions. [2018-12-09 00:15:57,245 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 277 transitions. [2018-12-09 00:15:57,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 00:15:57,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:57,252 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 00:15:57,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:57,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 177 states and 278 transitions. [2018-12-09 00:15:57,393 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 278 transitions. [2018-12-09 00:15:57,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 00:15:57,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:57,401 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 00:15:57,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:57,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 181 states and 281 transitions. [2018-12-09 00:15:57,620 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 281 transitions. [2018-12-09 00:15:57,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 00:15:57,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:57,674 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:15:57,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:57,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 183 states and 284 transitions. [2018-12-09 00:15:57,843 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 284 transitions. [2018-12-09 00:15:57,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 00:15:57,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:57,850 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 00:15:57,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:57,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 184 states and 285 transitions. [2018-12-09 00:15:57,889 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 285 transitions. [2018-12-09 00:15:57,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 00:15:57,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:57,948 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 00:15:59,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:15:59,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 193 states and 295 transitions. [2018-12-09 00:15:59,891 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 295 transitions. [2018-12-09 00:15:59,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 00:15:59,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:15:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:15:59,896 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 00:16:00,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:00,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 196 states and 298 transitions. [2018-12-09 00:16:00,382 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 298 transitions. [2018-12-09 00:16:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 00:16:00,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:00,392 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 00:16:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:00,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 200 states and 301 transitions. [2018-12-09 00:16:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 301 transitions. [2018-12-09 00:16:00,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 00:16:00,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 00:16:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:01,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 202 states and 302 transitions. [2018-12-09 00:16:01,297 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 302 transitions. [2018-12-09 00:16:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 00:16:01,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:01,311 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-09 00:16:01,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:01,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 202 states and 301 transitions. [2018-12-09 00:16:01,429 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 301 transitions. [2018-12-09 00:16:01,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 00:16:01,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:01,539 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 00:16:01,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:01,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 204 states and 303 transitions. [2018-12-09 00:16:01,790 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 303 transitions. [2018-12-09 00:16:01,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 00:16:01,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:01,798 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 00:16:01,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:01,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 205 states and 305 transitions. [2018-12-09 00:16:01,937 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 305 transitions. [2018-12-09 00:16:01,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 00:16:01,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:01,943 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 00:16:02,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:02,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 205 states and 304 transitions. [2018-12-09 00:16:02,048 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 304 transitions. [2018-12-09 00:16:02,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 00:16:02,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:02,055 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 00:16:02,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:02,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 207 states and 305 transitions. [2018-12-09 00:16:02,177 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 305 transitions. [2018-12-09 00:16:02,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 00:16:02,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:02,182 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:02,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:02,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 211 states and 309 transitions. [2018-12-09 00:16:02,400 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 309 transitions. [2018-12-09 00:16:02,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 00:16:02,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 00:16:02,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:02,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 213 states and 308 transitions. [2018-12-09 00:16:02,887 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 308 transitions. [2018-12-09 00:16:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 00:16:02,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:02,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:02,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 214 states and 309 transitions. [2018-12-09 00:16:02,916 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 309 transitions. [2018-12-09 00:16:02,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 00:16:02,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:02,924 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:02,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:02,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 215 states and 310 transitions. [2018-12-09 00:16:02,942 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 310 transitions. [2018-12-09 00:16:02,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 00:16:02,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:02,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:02,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 216 states and 311 transitions. [2018-12-09 00:16:02,970 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 311 transitions. [2018-12-09 00:16:02,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 00:16:02,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:04,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 226 states and 324 transitions. [2018-12-09 00:16:04,529 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 324 transitions. [2018-12-09 00:16:04,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 00:16:04,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:04,534 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:04,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:04,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 229 states and 326 transitions. [2018-12-09 00:16:04,724 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 326 transitions. [2018-12-09 00:16:04,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 00:16:04,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:04,729 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:04,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:04,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 231 states and 327 transitions. [2018-12-09 00:16:04,921 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 327 transitions. [2018-12-09 00:16:04,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 00:16:04,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:05,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 235 states and 331 transitions. [2018-12-09 00:16:05,275 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 331 transitions. [2018-12-09 00:16:05,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 00:16:05,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-09 00:16:05,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:05,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 220 states and 305 transitions. [2018-12-09 00:16:05,418 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 305 transitions. [2018-12-09 00:16:05,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 00:16:05,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:05,475 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:06,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:06,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 232 states and 318 transitions. [2018-12-09 00:16:06,061 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 318 transitions. [2018-12-09 00:16:06,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 00:16:06,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:06,066 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:06,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:06,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 236 states and 323 transitions. [2018-12-09 00:16:06,626 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 323 transitions. [2018-12-09 00:16:06,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 00:16:06,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:06,632 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:06,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:06,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 245 states and 331 transitions. [2018-12-09 00:16:06,960 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 331 transitions. [2018-12-09 00:16:06,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 00:16:06,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:06,965 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:07,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 248 states and 333 transitions. [2018-12-09 00:16:07,125 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 333 transitions. [2018-12-09 00:16:07,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 00:16:07,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:07,130 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:07,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 248 states and 332 transitions. [2018-12-09 00:16:07,299 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 332 transitions. [2018-12-09 00:16:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 00:16:07,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 00:16:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:07,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 250 states and 335 transitions. [2018-12-09 00:16:07,545 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 335 transitions. [2018-12-09 00:16:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 00:16:07,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 00:16:10,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 281 states and 406 transitions. [2018-12-09 00:16:10,925 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 406 transitions. [2018-12-09 00:16:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 00:16:10,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:10,932 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 00:16:11,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:11,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 284 states and 409 transitions. [2018-12-09 00:16:11,315 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 409 transitions. [2018-12-09 00:16:11,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 00:16:11,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 00:16:11,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:11,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 286 states and 410 transitions. [2018-12-09 00:16:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 410 transitions. [2018-12-09 00:16:11,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 00:16:11,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 00:16:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 289 states and 413 transitions. [2018-12-09 00:16:11,651 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 413 transitions. [2018-12-09 00:16:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 00:16:11,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:11,658 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 00:16:11,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 291 states and 414 transitions. [2018-12-09 00:16:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 414 transitions. [2018-12-09 00:16:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 00:16:11,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:11,832 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 00:16:12,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:12,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 293 states and 416 transitions. [2018-12-09 00:16:12,025 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 416 transitions. [2018-12-09 00:16:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 00:16:12,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 00:16:12,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:12,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 297 states and 420 transitions. [2018-12-09 00:16:12,216 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 420 transitions. [2018-12-09 00:16:12,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 00:16:12,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:12,223 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 00:16:12,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:12,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 300 states and 423 transitions. [2018-12-09 00:16:12,567 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 423 transitions. [2018-12-09 00:16:12,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 00:16:12,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:12,575 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 00:16:12,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:12,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 304 states and 426 transitions. [2018-12-09 00:16:12,748 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 426 transitions. [2018-12-09 00:16:12,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 00:16:12,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:12,755 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 00:16:12,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:12,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 306 states and 427 transitions. [2018-12-09 00:16:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 427 transitions. [2018-12-09 00:16:12,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 00:16:12,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 00:16:12,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:12,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 307 states and 431 transitions. [2018-12-09 00:16:12,973 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 431 transitions. [2018-12-09 00:16:12,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 00:16:12,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:12,981 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 00:16:12,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:12,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 308 states and 435 transitions. [2018-12-09 00:16:12,999 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 435 transitions. [2018-12-09 00:16:13,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 00:16:13,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:13,008 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 115 proven. 23 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 00:16:13,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:13,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 308 states and 433 transitions. [2018-12-09 00:16:13,199 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 433 transitions. [2018-12-09 00:16:13,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 00:16:13,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 115 proven. 23 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 00:16:13,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:13,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 308 states and 431 transitions. [2018-12-09 00:16:13,428 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 431 transitions. [2018-12-09 00:16:13,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 00:16:13,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:13,435 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 92 proven. 32 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-09 00:16:14,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:14,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 316 states and 441 transitions. [2018-12-09 00:16:14,227 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 441 transitions. [2018-12-09 00:16:14,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 00:16:14,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:14,236 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 92 proven. 32 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-09 00:16:14,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:14,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 319 states and 443 transitions. [2018-12-09 00:16:14,458 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 443 transitions. [2018-12-09 00:16:14,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 00:16:14,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:14,466 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 92 proven. 32 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-09 00:16:14,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:14,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 321 states and 444 transitions. [2018-12-09 00:16:14,655 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 444 transitions. [2018-12-09 00:16:14,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 00:16:14,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 92 proven. 32 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-09 00:16:14,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:14,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 325 states and 447 transitions. [2018-12-09 00:16:14,843 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 447 transitions. [2018-12-09 00:16:14,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 00:16:14,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:14,954 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 368 states and 504 transitions. [2018-12-09 00:16:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 504 transitions. [2018-12-09 00:16:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 00:16:17,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:18,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:18,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 372 states and 509 transitions. [2018-12-09 00:16:18,409 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 509 transitions. [2018-12-09 00:16:18,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 00:16:18,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:18,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:18,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 375 states and 513 transitions. [2018-12-09 00:16:18,900 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 513 transitions. [2018-12-09 00:16:18,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 00:16:18,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:18,907 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:19,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 384 states and 522 transitions. [2018-12-09 00:16:19,116 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 522 transitions. [2018-12-09 00:16:19,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 00:16:19,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:19,123 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 00:16:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:19,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 386 states and 524 transitions. [2018-12-09 00:16:19,367 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 524 transitions. [2018-12-09 00:16:19,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 00:16:19,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 00:16:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:20,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 390 states and 528 transitions. [2018-12-09 00:16:20,171 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 528 transitions. [2018-12-09 00:16:20,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 00:16:20,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 00:16:20,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:20,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 390 states and 527 transitions. [2018-12-09 00:16:20,382 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 527 transitions. [2018-12-09 00:16:20,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 00:16:20,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:20,388 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 00:16:20,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:20,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 389 states and 524 transitions. [2018-12-09 00:16:20,602 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 524 transitions. [2018-12-09 00:16:20,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 00:16:20,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:20,609 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 123 proven. 27 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-09 00:16:21,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:21,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 391 states and 525 transitions. [2018-12-09 00:16:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 525 transitions. [2018-12-09 00:16:21,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 00:16:21,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:21,212 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 123 proven. 27 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-09 00:16:21,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:21,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 392 states and 524 transitions. [2018-12-09 00:16:21,609 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 524 transitions. [2018-12-09 00:16:21,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 00:16:21,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:21,615 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 00:16:23,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:23,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 402 states and 535 transitions. [2018-12-09 00:16:23,839 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 535 transitions. [2018-12-09 00:16:23,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 00:16:23,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:23,845 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 00:16:24,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 405 states and 537 transitions. [2018-12-09 00:16:24,122 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 537 transitions. [2018-12-09 00:16:24,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 00:16:24,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:24,127 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 00:16:24,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:24,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 407 states and 538 transitions. [2018-12-09 00:16:24,431 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 538 transitions. [2018-12-09 00:16:24,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 00:16:24,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-09 00:16:24,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:24,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 407 states and 537 transitions. [2018-12-09 00:16:24,952 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 537 transitions. [2018-12-09 00:16:24,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 00:16:24,953 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-12-09 00:16:25,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:25,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 400 states and 526 transitions. [2018-12-09 00:16:25,213 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 526 transitions. [2018-12-09 00:16:25,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 00:16:25,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:25,220 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-12-09 00:16:25,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:25,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 399 states and 522 transitions. [2018-12-09 00:16:25,506 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 522 transitions. [2018-12-09 00:16:25,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 00:16:25,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:25,534 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-12-09 00:16:25,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:25,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 399 states and 519 transitions. [2018-12-09 00:16:25,783 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 519 transitions. [2018-12-09 00:16:25,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 00:16:25,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-12-09 00:16:26,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:26,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 381 states and 493 transitions. [2018-12-09 00:16:26,029 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 493 transitions. [2018-12-09 00:16:26,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 00:16:26,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:26,220 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 93 proven. 116 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-09 00:16:27,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:27,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 405 states and 518 transitions. [2018-12-09 00:16:27,664 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 518 transitions. [2018-12-09 00:16:27,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 00:16:27,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:16:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:16:27,807 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 93 proven. 116 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-09 00:16:28,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:16:28,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 378 states and 488 transitions. [2018-12-09 00:16:28,290 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 488 transitions. [2018-12-09 00:16:28,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:16:28,290 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 109 iterations. [2018-12-09 00:16:28,296 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 00:16:28,682 WARN L180 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 61 [2018-12-09 00:16:29,289 WARN L180 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 56 [2018-12-09 00:16:29,589 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 47 [2018-12-09 00:16:29,985 WARN L180 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 61 [2018-12-09 00:16:30,036 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 00:16:30,042 INFO L583 CodeCheckObserver]: Invariant with dag size 61 [2018-12-09 00:16:30,045 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 00:16:30,045 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-09 00:16:30,046 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 00:16:30,046 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-09 00:16:30,047 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:16:30,047 INFO L583 CodeCheckObserver]: Invariant with dag size 27 [2018-12-09 00:16:30,048 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-09 00:16:30,048 INFO L583 CodeCheckObserver]: Invariant with dag size 56 [2018-12-09 00:16:30,049 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-09 00:16:30,050 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-09 00:16:30,050 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:16:30,051 INFO L583 CodeCheckObserver]: Invariant with dag size 47 [2018-12-09 00:16:30,052 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 00:16:30,052 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 00:16:30,052 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-09 00:16:30,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:16:30 ImpRootNode [2018-12-09 00:16:30,053 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:16:30,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:16:30,053 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:16:30,053 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:16:30,054 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:15:49" (3/4) ... [2018-12-09 00:16:30,057 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:16:30,064 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 00:16:30,064 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 00:16:30,104 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f7ef766e-979d-4fd5-a363-f2cd171387d5/bin-2019/ukojak/witness.graphml [2018-12-09 00:16:30,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:16:30,105 INFO L168 Benchmark]: Toolchain (without parser) took 40786.97 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 678.4 MB). Free memory was 954.4 MB in the beginning and 1.5 GB in the end (delta: -526.7 MB). Peak memory consumption was 151.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:16:30,105 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:16:30,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.69 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:16:30,106 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.62 ms. Allocated memory is still 1.0 GB. Free memory was 943.5 MB in the beginning and 940.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:16:30,106 INFO L168 Benchmark]: Boogie Preprocessor took 44.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:16:30,106 INFO L168 Benchmark]: RCFGBuilder took 221.22 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:16:30,106 INFO L168 Benchmark]: CodeCheck took 40309.25 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 574.1 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -422.4 MB). Peak memory consumption was 841.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:16:30,106 INFO L168 Benchmark]: Witness Printer took 51.22 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:16:30,107 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, 45 locations, 1 error locations. SAFE Result, 38.5s OverallTime, 109 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2097160 SDtfs, 804671448 SDslu, 12582408 SDs, 0 SdLazy, -1319707592 SolverSat, -819833840 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 77.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41065 GetRequests, 39546 SyntacticMatches, 717 SemanticMatches, 802 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363378 ImplicationChecksByTransitivity, 35.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 5132 NumberOfCodeBlocks, 5132 NumberOfCodeBlocksAsserted, 108 NumberOfCheckSat, 5024 ConstructedInterpolants, 0 QuantifiedInterpolants, 620653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 108 InterpolantComputations, 81 PerfectInterpolantSequences, 9596/10451 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: 216]: 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: 69]: Loop Invariant Derived loop invariant: blastFlag <= 4 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: ((((((((((((((((((s__state <= 8496 && !(blastFlag == 0)) && !(s__hit == 0)) && blastFlag <= 0) || (s__state == 8640 && !(s__hit == 0))) || (blastFlag <= 4 && s__state == 8656)) || (s__state == 8640 && blastFlag <= 2)) || ((s__state < 8640 && 8528 <= s__state) && blastFlag <= 0)) || ((1 < blastFlag && blastFlag <= 2) && s__state == 8496)) || (((1 < blastFlag && blastFlag <= 2) && s__state < 8512) && !(s__hit == 0))) || (((((8512 <= s__state && 1 < blastFlag) && s__state < 8640) && blastFlag <= 2) && !(s__state == 8528)) && !(s__state == 8512))) || (s__state == 8466 && blastFlag <= 2)) || ((s__state == 8496 && !(blastFlag == 0)) && blastFlag <= 0)) || ((8672 <= s__state && 2 < blastFlag) && blastFlag <= 3)) || (s__state == 8512 && blastFlag <= 0)) || ((s__hit == 0 && s__state == 8528) && blastFlag <= 2)) || ((blastFlag <= 4 && 8672 <= s__state) && 3 < blastFlag)) || (((8496 <= s__state && 0 < blastFlag) && blastFlag <= 1) && s__state < 8640)) || (blastFlag <= 1 && 8672 <= s__state)) || ((s__hit == 0 && blastFlag <= 2) && s__state == 8512) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: (((s__state == 8640 && !(s__hit == 0)) || (s__state == 8640 && blastFlag <= 2)) || (s__state < 8640 && blastFlag <= 2)) || (blastFlag <= 4 && 8656 <= s__state) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: blastFlag <= 4 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (blastFlag <= 2 || (s__state == 8640 && !(s__hit == 0))) || (blastFlag <= 4 && 8656 <= s__state) - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((((((s__state < 8640 && blastFlag <= 2) && !(s__state == 8512)) || (s__state == 8512 && blastFlag <= 1)) || (s__state == 8640 && !(s__hit == 0))) || (s__state == 8640 && blastFlag <= 2)) || (blastFlag <= 4 && 8656 <= s__state)) || ((s__hit == 0 && blastFlag <= 2) && s__state == 8512) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (blastFlag <= 2 || (s__state == 8640 && !(s__hit == 0))) || (blastFlag <= 4 && 8656 <= s__state) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((((((s__state == 8640 && !(s__hit == 0)) || (((8656 <= s__state && !(0 < blastFlag && blastFlag <= 1)) && blastFlag <= 3) && !(blastFlag == 0))) || (s__state == 8466 && blastFlag <= 2)) || (((blastFlag <= 2 && s__state < 8512) && !(blastFlag == 0)) && !(s__hit == 0))) || ((blastFlag <= 4 && 8656 <= s__state) && 3 < blastFlag)) || (s__state == 8512 && blastFlag <= 0)) || (s__state == 8640 && blastFlag <= 2)) || (s__state == 8656 && blastFlag <= 1)) || ((s__state < 8640 && blastFlag == 0) && 8528 <= s__state)) || (((8496 <= s__state && 0 < blastFlag) && blastFlag <= 1) && s__state < 8640)) || ((blastFlag <= 2 && s__state == 8496) && !(blastFlag == 0))) || (blastFlag <= 1 && 8672 <= s__state)) || ((((8512 <= s__state && s__state < 8640) && blastFlag <= 2) && !(s__state == 8512)) && !(blastFlag == 0))) || ((s__hit == 0 && blastFlag <= 2) && s__state == 8512) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: (((s__state == 8640 && !(s__hit == 0)) || (s__state == 8640 && blastFlag <= 2)) || (s__state < 8640 && blastFlag <= 2)) || (blastFlag <= 4 && 8656 <= s__state) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((s__state == 8640 && !(s__hit == 0)) || (s__state == 8640 && blastFlag <= 2)) || (blastFlag <= 4 && 8656 <= s__state)) || (s__state < 8640 && blastFlag <= 2) - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((8512 <= s__state && s__state < 8640) && blastFlag <= 2) && !(s__state == 8512)) || (s__state == 8640 && blastFlag <= 2)) || ((8656 <= s__state && !(0 < blastFlag && blastFlag <= 1)) && blastFlag <= 3)) || (blastFlag <= 4 && s__state == 8656)) || ((blastFlag <= 2 && s__state < 8512) && !(s__hit == 0))) || (s__state == 8640 && !(s__hit == 0))) || (s__state == 8512 && blastFlag <= 0)) || ((0 < blastFlag && blastFlag <= 1) && s__state < 8640)) || (blastFlag <= 2 && s__state == 8496)) || ((blastFlag <= 4 && 8656 <= s__state) && 3 < blastFlag)) || (blastFlag <= 1 && 8672 <= s__state)) || ((s__hit == 0 && blastFlag <= 2) && s__state == 8512) - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: (((s__state == 8640 && blastFlag <= 2) || (s__state == 8640 && !(s__hit == 0))) || (blastFlag <= 4 && 8656 <= s__state)) || (s__state < 8640 && blastFlag <= 2) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 137.69 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.62 ms. Allocated memory is still 1.0 GB. Free memory was 943.5 MB in the beginning and 940.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 221.22 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * CodeCheck took 40309.25 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 574.1 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -422.4 MB). Peak memory consumption was 841.1 MB. Max. memory is 11.5 GB. * Witness Printer took 51.22 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...