./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_srvr_2_false-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_aa94c1bb-50a9-465d-8bf1-876578169b57/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aa94c1bb-50a9-465d-8bf1-876578169b57/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aa94c1bb-50a9-465d-8bf1-876578169b57/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aa94c1bb-50a9-465d-8bf1-876578169b57/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_srvr_2_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aa94c1bb-50a9-465d-8bf1-876578169b57/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aa94c1bb-50a9-465d-8bf1-876578169b57/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 9cdb9234b6e26ed0c6ca912816731ef8108c5ccf ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 19:22:17,076 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:22:17,078 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:22:17,086 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:22:17,087 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:22:17,087 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:22:17,088 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:22:17,089 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:22:17,091 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:22:17,091 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:22:17,092 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:22:17,092 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:22:17,093 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:22:17,093 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:22:17,094 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:22:17,095 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:22:17,095 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:22:17,096 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:22:17,098 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:22:17,099 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:22:17,100 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:22:17,100 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:22:17,102 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:22:17,102 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:22:17,102 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:22:17,103 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:22:17,104 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:22:17,105 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:22:17,105 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:22:17,106 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:22:17,106 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:22:17,106 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:22:17,107 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:22:17,107 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:22:17,107 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:22:17,108 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:22:17,108 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aa94c1bb-50a9-465d-8bf1-876578169b57/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 19:22:17,118 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:22:17,119 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:22:17,119 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:22:17,119 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 19:22:17,120 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 19:22:17,120 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 19:22:17,120 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:22:17,120 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:22:17,121 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:22:17,121 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:22:17,121 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:22:17,121 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:22:17,121 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:22:17,121 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:22:17,121 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:22:17,122 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:22:17,122 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 19:22:17,122 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:22:17,122 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 19:22:17,122 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 19:22:17,122 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:22:17,123 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:22:17,123 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 19:22:17,123 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:22:17,123 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:22:17,123 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:22:17,123 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 19:22:17,123 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:22:17,124 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 19:22:17,124 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_aa94c1bb-50a9-465d-8bf1-876578169b57/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 -> 9cdb9234b6e26ed0c6ca912816731ef8108c5ccf [2018-12-08 19:22:17,147 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:22:17,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:22:17,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:22:17,156 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:22:17,156 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:22:17,157 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aa94c1bb-50a9-465d-8bf1-876578169b57/bin-2019/ukojak/../../sv-benchmarks/c/ssh-simplified/s3_srvr_2_false-unreach-call_false-termination.cil.c [2018-12-08 19:22:17,192 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa94c1bb-50a9-465d-8bf1-876578169b57/bin-2019/ukojak/data/e03ab3ecf/1cd7cbb501c343099ac2c9ad24d3fde5/FLAGe0d4d61af [2018-12-08 19:22:17,485 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:22:17,486 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aa94c1bb-50a9-465d-8bf1-876578169b57/sv-benchmarks/c/ssh-simplified/s3_srvr_2_false-unreach-call_false-termination.cil.c [2018-12-08 19:22:17,491 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa94c1bb-50a9-465d-8bf1-876578169b57/bin-2019/ukojak/data/e03ab3ecf/1cd7cbb501c343099ac2c9ad24d3fde5/FLAGe0d4d61af [2018-12-08 19:22:17,500 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aa94c1bb-50a9-465d-8bf1-876578169b57/bin-2019/ukojak/data/e03ab3ecf/1cd7cbb501c343099ac2c9ad24d3fde5 [2018-12-08 19:22:17,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:22:17,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:22:17,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:22:17,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:22:17,506 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:22:17,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:22:17" (1/1) ... [2018-12-08 19:22:17,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a347b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:22:17, skipping insertion in model container [2018-12-08 19:22:17,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:22:17" (1/1) ... [2018-12-08 19:22:17,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:22:17,540 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:22:17,660 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:22:17,662 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:22:17,700 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:22:17,742 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:22:17,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:22:17 WrapperNode [2018-12-08 19:22:17,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:22:17,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:22:17,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:22:17,742 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:22:17,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:22:17" (1/1) ... [2018-12-08 19:22:17,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:22:17" (1/1) ... [2018-12-08 19:22:17,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:22:17,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:22:17,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:22:17,776 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:22:17,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:22:17" (1/1) ... [2018-12-08 19:22:17,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:22:17" (1/1) ... [2018-12-08 19:22:17,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:22:17" (1/1) ... [2018-12-08 19:22:17,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:22:17" (1/1) ... [2018-12-08 19:22:17,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:22:17" (1/1) ... [2018-12-08 19:22:17,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:22:17" (1/1) ... [2018-12-08 19:22:17,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:22:17" (1/1) ... [2018-12-08 19:22:17,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:22:17,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:22:17,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:22:17,799 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:22:17,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:22:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa94c1bb-50a9-465d-8bf1-876578169b57/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 [2018-12-08 19:22:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:22:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:22:17,890 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 19:22:17,890 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 19:22:18,297 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:22:18,297 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 19:22:18,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:22:18 BoogieIcfgContainer [2018-12-08 19:22:18,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:22:18,298 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 19:22:18,298 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 19:22:18,305 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 19:22:18,306 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:22:18" (1/1) ... [2018-12-08 19:22:18,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:22:18,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:18,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 107 states and 185 transitions. [2018-12-08 19:22:18,340 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 185 transitions. [2018-12-08 19:22:18,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 19:22:18,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:18,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:18,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:18,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 141 states and 217 transitions. [2018-12-08 19:22:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 217 transitions. [2018-12-08 19:22:18,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 19:22:18,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:18,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:18,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:18,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 176 states and 252 transitions. [2018-12-08 19:22:18,853 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 252 transitions. [2018-12-08 19:22:18,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 19:22:18,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:18,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:18,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:18,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 178 states and 254 transitions. [2018-12-08 19:22:18,931 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 254 transitions. [2018-12-08 19:22:18,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 19:22:18,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:18,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:19,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:19,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 181 states and 257 transitions. [2018-12-08 19:22:19,026 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 257 transitions. [2018-12-08 19:22:19,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 19:22:19,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:19,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:19,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:19,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 185 states and 261 transitions. [2018-12-08 19:22:19,142 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 261 transitions. [2018-12-08 19:22:19,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 19:22:19,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:19,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:19,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 192 states and 268 transitions. [2018-12-08 19:22:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 268 transitions. [2018-12-08 19:22:19,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 19:22:19,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:19,379 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:19,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:19,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 201 states and 277 transitions. [2018-12-08 19:22:19,560 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 277 transitions. [2018-12-08 19:22:19,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 19:22:19,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:19,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:19,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:19,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 206 states and 282 transitions. [2018-12-08 19:22:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 282 transitions. [2018-12-08 19:22:19,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 19:22:19,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:19,781 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:20,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:20,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 214 states and 290 transitions. [2018-12-08 19:22:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 290 transitions. [2018-12-08 19:22:20,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 19:22:20,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:20,074 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:20,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:20,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 220 states and 296 transitions. [2018-12-08 19:22:20,302 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 296 transitions. [2018-12-08 19:22:20,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 19:22:20,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:20,343 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:20,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:20,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 222 states and 303 transitions. [2018-12-08 19:22:20,380 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 303 transitions. [2018-12-08 19:22:20,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-08 19:22:20,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:20,410 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:21,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:21,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 226 states and 313 transitions. [2018-12-08 19:22:21,354 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 313 transitions. [2018-12-08 19:22:21,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 19:22:21,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:22,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 237 states and 324 transitions. [2018-12-08 19:22:22,116 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 324 transitions. [2018-12-08 19:22:22,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 19:22:22,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:22,181 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:24,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:24,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 290 states and 405 transitions. [2018-12-08 19:22:24,288 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 405 transitions. [2018-12-08 19:22:24,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 19:22:24,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:24,330 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:25,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:25,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 303 states and 418 transitions. [2018-12-08 19:22:25,587 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 418 transitions. [2018-12-08 19:22:25,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 19:22:25,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:26,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:26,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 315 states and 431 transitions. [2018-12-08 19:22:26,671 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 431 transitions. [2018-12-08 19:22:26,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 19:22:26,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:26,686 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:26,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:26,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 350 states and 465 transitions. [2018-12-08 19:22:26,802 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 465 transitions. [2018-12-08 19:22:26,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 19:22:26,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:26,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:26,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 351 states and 466 transitions. [2018-12-08 19:22:26,837 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 466 transitions. [2018-12-08 19:22:26,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 19:22:26,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:26,905 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:28,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 365 states and 481 transitions. [2018-12-08 19:22:28,194 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 481 transitions. [2018-12-08 19:22:28,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 19:22:28,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:28,237 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:29,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:29,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 380 states and 497 transitions. [2018-12-08 19:22:29,826 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 497 transitions. [2018-12-08 19:22:29,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 19:22:29,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:29,882 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:32,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 396 states and 514 transitions. [2018-12-08 19:22:32,757 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 514 transitions. [2018-12-08 19:22:32,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 19:22:32,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:32,831 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:35,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:35,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 415 states and 534 transitions. [2018-12-08 19:22:35,370 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 534 transitions. [2018-12-08 19:22:35,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 19:22:35,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:35,429 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:37,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:37,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 435 states and 555 transitions. [2018-12-08 19:22:37,710 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 555 transitions. [2018-12-08 19:22:37,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 19:22:37,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:37,766 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:40,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:40,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 452 states and 573 transitions. [2018-12-08 19:22:40,832 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 573 transitions. [2018-12-08 19:22:40,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 19:22:40,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:40,895 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:43,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 470 states and 592 transitions. [2018-12-08 19:22:43,514 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 592 transitions. [2018-12-08 19:22:43,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 19:22:43,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:43,572 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:46,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:46,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 491 states and 614 transitions. [2018-12-08 19:22:46,651 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 614 transitions. [2018-12-08 19:22:46,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 19:22:46,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:46,712 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:50,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 513 states and 637 transitions. [2018-12-08 19:22:50,501 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 637 transitions. [2018-12-08 19:22:50,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 19:22:50,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:50,579 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:51,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:51,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 524 states and 701 transitions. [2018-12-08 19:22:51,472 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 701 transitions. [2018-12-08 19:22:51,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 19:22:51,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:51,489 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 19:22:51,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:51,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 529 states and 710 transitions. [2018-12-08 19:22:51,582 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 710 transitions. [2018-12-08 19:22:51,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 19:22:51,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:51,663 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:55,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:55,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 552 states and 735 transitions. [2018-12-08 19:22:55,931 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 735 transitions. [2018-12-08 19:22:55,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 19:22:55,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:55,939 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:56,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:56,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 561 states and 746 transitions. [2018-12-08 19:22:56,084 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 746 transitions. [2018-12-08 19:22:56,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 19:22:56,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:56,092 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:56,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:56,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 565 states and 750 transitions. [2018-12-08 19:22:56,259 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 750 transitions. [2018-12-08 19:22:56,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 19:22:56,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:56,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 571 states and 780 transitions. [2018-12-08 19:22:56,722 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 780 transitions. [2018-12-08 19:22:56,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 19:22:56,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:56,729 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:56,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:56,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 580 states and 789 transitions. [2018-12-08 19:22:56,876 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 789 transitions. [2018-12-08 19:22:56,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 19:22:56,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:56,891 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 19:22:56,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:56,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 582 states and 792 transitions. [2018-12-08 19:22:56,984 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 792 transitions. [2018-12-08 19:22:56,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 19:22:56,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:56,994 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:57,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:57,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 581 states and 789 transitions. [2018-12-08 19:22:57,004 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 789 transitions. [2018-12-08 19:22:57,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 19:22:57,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:57,015 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:57,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:57,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 585 states and 793 transitions. [2018-12-08 19:22:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 793 transitions. [2018-12-08 19:22:57,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 19:22:57,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:57,217 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:57,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:57,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 585 states and 792 transitions. [2018-12-08 19:22:57,387 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 792 transitions. [2018-12-08 19:22:57,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 19:22:57,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:57,394 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:57,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:57,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 587 states and 795 transitions. [2018-12-08 19:22:57,549 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 795 transitions. [2018-12-08 19:22:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 19:22:57,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:57,557 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:57,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:57,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 595 states and 803 transitions. [2018-12-08 19:22:57,765 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 803 transitions. [2018-12-08 19:22:57,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 19:22:57,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 19:22:57,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:57,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 600 states and 811 transitions. [2018-12-08 19:22:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 811 transitions. [2018-12-08 19:22:57,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 19:22:57,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:57,915 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:57,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 602 states and 814 transitions. [2018-12-08 19:22:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 814 transitions. [2018-12-08 19:22:57,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 19:22:57,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:57,935 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:22:58,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:22:58,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 603 states and 814 transitions. [2018-12-08 19:22:58,116 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 814 transitions. [2018-12-08 19:22:58,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 19:22:58,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:22:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:22:58,205 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:23:03,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:23:03,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 627 states and 840 transitions. [2018-12-08 19:23:03,241 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 840 transitions. [2018-12-08 19:23:03,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 19:23:03,242 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:23:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:23:03,331 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:23:04,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:23:04,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 631 states and 849 transitions. [2018-12-08 19:23:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 849 transitions. [2018-12-08 19:23:04,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 19:23:04,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:23:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:23:04,091 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:23:04,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:23:04,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 634 states and 853 transitions. [2018-12-08 19:23:04,543 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 853 transitions. [2018-12-08 19:23:04,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 19:23:04,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:23:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:23:04,627 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:23:12,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:23:12,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 660 states and 881 transitions. [2018-12-08 19:23:12,404 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 881 transitions. [2018-12-08 19:23:12,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 19:23:12,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:23:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:23:12,526 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:23:20,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:23:20,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 685 states and 908 transitions. [2018-12-08 19:23:20,562 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 908 transitions. [2018-12-08 19:23:20,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 19:23:20,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:23:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:23:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:23:23,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:23:23,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 695 states and 920 transitions. [2018-12-08 19:23:23,476 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 920 transitions. [2018-12-08 19:23:23,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 19:23:23,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:23:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:23:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:23:24,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:23:24,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 697 states and 928 transitions. [2018-12-08 19:23:24,680 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 928 transitions. [2018-12-08 19:23:24,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 19:23:24,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:23:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:23:24,696 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 19:23:24,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:23:24,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 699 states and 931 transitions. [2018-12-08 19:23:24,825 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 931 transitions. [2018-12-08 19:23:24,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 19:23:24,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:23:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:23:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:23:24,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:23:24,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 700 states and 932 transitions. [2018-12-08 19:23:24,841 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 932 transitions. [2018-12-08 19:23:24,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 19:23:24,842 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:23:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:23:24,848 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:23:24,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:23:24,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 701 states and 933 transitions. [2018-12-08 19:23:24,907 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 933 transitions. [2018-12-08 19:23:24,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 19:23:24,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:23:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:23:24,990 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:23:34,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:23:34,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 728 states and 962 transitions. [2018-12-08 19:23:34,824 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 962 transitions. [2018-12-08 19:23:34,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 19:23:34,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:23:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:23:34,831 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:23:36,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:23:36,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 744 states and 999 transitions. [2018-12-08 19:23:36,488 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 999 transitions. [2018-12-08 19:23:36,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 19:23:36,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:23:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:23:36,495 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:23:36,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:23:36,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 754 states and 1008 transitions. [2018-12-08 19:23:36,693 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1008 transitions. [2018-12-08 19:23:36,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 19:23:36,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:23:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:23:36,786 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:23:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:23:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 782 states and 1039 transitions. [2018-12-08 19:23:45,144 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1039 transitions. [2018-12-08 19:23:45,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 19:23:45,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:23:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:23:45,157 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 19:23:46,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:23:46,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 792 states and 1048 transitions. [2018-12-08 19:23:46,203 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1048 transitions. [2018-12-08 19:23:46,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 19:23:46,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:23:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:23:46,297 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:23:57,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:23:57,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 821 states and 1080 transitions. [2018-12-08 19:23:57,004 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1080 transitions. [2018-12-08 19:23:57,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-08 19:23:57,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:23:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:23:57,131 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:24:08,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:24:08,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 851 states and 1113 transitions. [2018-12-08 19:24:08,062 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1113 transitions. [2018-12-08 19:24:08,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-08 19:24:08,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:24:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:24:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:24:08,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:24:08,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 853 states and 1116 transitions. [2018-12-08 19:24:08,304 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1116 transitions. [2018-12-08 19:24:08,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-08 19:24:08,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:24:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:24:08,408 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:24:20,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:24:20,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 884 states and 1150 transitions. [2018-12-08 19:24:20,990 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1150 transitions. [2018-12-08 19:24:20,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 19:24:20,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:24:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:24:21,010 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:24:21,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:24:21,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 882 states and 1146 transitions. [2018-12-08 19:24:21,224 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1146 transitions. [2018-12-08 19:24:21,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-08 19:24:21,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:24:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:24:21,394 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:24:25,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:24:25,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 934 states and 1254 transitions. [2018-12-08 19:24:25,487 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1254 transitions. [2018-12-08 19:24:25,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-08 19:24:25,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:24:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:24:25,495 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:24:25,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:24:25,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 942 states and 1265 transitions. [2018-12-08 19:24:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1265 transitions. [2018-12-08 19:24:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-08 19:24:25,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:24:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:24:25,750 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:24:27,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:24:27,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 952 states and 1293 transitions. [2018-12-08 19:24:27,147 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1293 transitions. [2018-12-08 19:24:27,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 19:24:27,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:24:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:24:27,155 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:24:28,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:24:28,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 962 states and 1302 transitions. [2018-12-08 19:24:28,296 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1302 transitions. [2018-12-08 19:24:28,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 19:24:28,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:24:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:24:28,307 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:24:28,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:24:28,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 997 states and 1336 transitions. [2018-12-08 19:24:28,598 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1336 transitions. [2018-12-08 19:24:28,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 19:24:28,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:24:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:24:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:24:33,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:24:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1017 states and 1379 transitions. [2018-12-08 19:24:33,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1379 transitions. [2018-12-08 19:24:33,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 19:24:33,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:24:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:24:33,576 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:24:37,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:24:37,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1037 states and 1421 transitions. [2018-12-08 19:24:37,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1421 transitions. [2018-12-08 19:24:37,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 19:24:37,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:24:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:24:37,612 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:24:39,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:24:39,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1047 states and 1452 transitions. [2018-12-08 19:24:39,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1452 transitions. [2018-12-08 19:24:39,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 19:24:39,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:24:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:24:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:25:02,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1079 states and 1489 transitions. [2018-12-08 19:25:02,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1489 transitions. [2018-12-08 19:25:02,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-08 19:25:02,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:02,862 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:25:02,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:02,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1081 states and 1491 transitions. [2018-12-08 19:25:02,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1491 transitions. [2018-12-08 19:25:02,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-08 19:25:02,941 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:03,078 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:25:22,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:22,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1114 states and 1529 transitions. [2018-12-08 19:25:22,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1529 transitions. [2018-12-08 19:25:22,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 19:25:22,151 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:22,171 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 19:25:22,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:22,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1116 states and 1536 transitions. [2018-12-08 19:25:22,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1536 transitions. [2018-12-08 19:25:22,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-08 19:25:22,697 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:22,712 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 19:25:22,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:22,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1116 states and 1535 transitions. [2018-12-08 19:25:22,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1535 transitions. [2018-12-08 19:25:22,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-08 19:25:22,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:25:24,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1118 states and 1543 transitions. [2018-12-08 19:25:24,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1543 transitions. [2018-12-08 19:25:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-08 19:25:24,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:24,211 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:25:24,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:24,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1119 states and 1547 transitions. [2018-12-08 19:25:24,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1547 transitions. [2018-12-08 19:25:24,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 19:25:24,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:24,746 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 19:25:25,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:25,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1124 states and 1553 transitions. [2018-12-08 19:25:25,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1553 transitions. [2018-12-08 19:25:25,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 19:25:25,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:25,099 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 19:25:27,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:27,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1126 states and 1562 transitions. [2018-12-08 19:25:27,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1562 transitions. [2018-12-08 19:25:27,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 19:25:27,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 19:25:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1130 states and 1568 transitions. [2018-12-08 19:25:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1568 transitions. [2018-12-08 19:25:28,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 19:25:28,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:28,801 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:25:29,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:29,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1130 states and 1567 transitions. [2018-12-08 19:25:29,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1567 transitions. [2018-12-08 19:25:29,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 19:25:29,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:25:29,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:29,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1128 states and 1563 transitions. [2018-12-08 19:25:29,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1563 transitions. [2018-12-08 19:25:29,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 19:25:29,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:29,684 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:25:29,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1126 states and 1559 transitions. [2018-12-08 19:25:29,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1559 transitions. [2018-12-08 19:25:29,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 19:25:29,697 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:29,708 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:25:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:30,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1125 states and 1555 transitions. [2018-12-08 19:25:30,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1555 transitions. [2018-12-08 19:25:30,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 19:25:30,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:30,783 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 19:25:32,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:32,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1127 states and 1565 transitions. [2018-12-08 19:25:32,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1565 transitions. [2018-12-08 19:25:32,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 19:25:32,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:32,429 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 19:25:32,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:32,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1128 states and 1567 transitions. [2018-12-08 19:25:32,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1567 transitions. [2018-12-08 19:25:32,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 19:25:32,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:32,799 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 19:25:33,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:33,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1137 states and 1577 transitions. [2018-12-08 19:25:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1577 transitions. [2018-12-08 19:25:33,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 19:25:33,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:33,363 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:25:33,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:33,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1137 states and 1576 transitions. [2018-12-08 19:25:33,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1576 transitions. [2018-12-08 19:25:33,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 19:25:33,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:33,703 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 19:25:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:35,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1149 states and 1619 transitions. [2018-12-08 19:25:35,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1619 transitions. [2018-12-08 19:25:35,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 19:25:35,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 19:25:35,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:35,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1158 states and 1627 transitions. [2018-12-08 19:25:35,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1627 transitions. [2018-12-08 19:25:35,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 19:25:35,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:35,751 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:25:37,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:37,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1167 states and 1643 transitions. [2018-12-08 19:25:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1643 transitions. [2018-12-08 19:25:37,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 19:25:37,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:37,377 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:25:37,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:37,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1169 states and 1646 transitions. [2018-12-08 19:25:37,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1646 transitions. [2018-12-08 19:25:37,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 19:25:37,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:37,398 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 19:25:37,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:37,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1171 states and 1661 transitions. [2018-12-08 19:25:37,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1661 transitions. [2018-12-08 19:25:37,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 19:25:37,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:37,841 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 19:25:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:38,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1175 states and 1665 transitions. [2018-12-08 19:25:38,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1665 transitions. [2018-12-08 19:25:38,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 19:25:38,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:38,397 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 19:25:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:38,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1176 states and 1669 transitions. [2018-12-08 19:25:38,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1669 transitions. [2018-12-08 19:25:38,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 19:25:38,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:38,964 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:25:39,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:39,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1186 states and 1678 transitions. [2018-12-08 19:25:39,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1678 transitions. [2018-12-08 19:25:39,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 19:25:39,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:39,303 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 19:25:39,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:39,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1194 states and 1685 transitions. [2018-12-08 19:25:39,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1685 transitions. [2018-12-08 19:25:39,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 19:25:39,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:39,710 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:25:40,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:40,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1186 states and 1670 transitions. [2018-12-08 19:25:40,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1670 transitions. [2018-12-08 19:25:40,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 19:25:40,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:40,059 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 19:25:40,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:40,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1190 states and 1673 transitions. [2018-12-08 19:25:40,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1673 transitions. [2018-12-08 19:25:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 19:25:40,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:40,834 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:25:43,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:43,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1200 states and 1686 transitions. [2018-12-08 19:25:43,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1686 transitions. [2018-12-08 19:25:43,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 19:25:43,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:43,513 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:25:44,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:44,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1201 states and 1687 transitions. [2018-12-08 19:25:44,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1687 transitions. [2018-12-08 19:25:44,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 19:25:44,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:44,019 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:25:44,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:44,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1202 states and 1688 transitions. [2018-12-08 19:25:44,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1688 transitions. [2018-12-08 19:25:44,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 19:25:44,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 19:25:44,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1204 states and 1691 transitions. [2018-12-08 19:25:44,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1691 transitions. [2018-12-08 19:25:44,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 19:25:44,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:25:44,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1204 states and 1690 transitions. [2018-12-08 19:25:44,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1690 transitions. [2018-12-08 19:25:44,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 19:25:44,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:44,269 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:25:44,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1206 states and 1693 transitions. [2018-12-08 19:25:44,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1693 transitions. [2018-12-08 19:25:44,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 19:25:44,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:25:44,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:44,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1211 states and 1697 transitions. [2018-12-08 19:25:44,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1697 transitions. [2018-12-08 19:25:44,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 19:25:44,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:44,743 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 19:25:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:45,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1215 states and 1703 transitions. [2018-12-08 19:25:45,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1703 transitions. [2018-12-08 19:25:45,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 19:25:45,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:25:46,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:46,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1213 states and 1699 transitions. [2018-12-08 19:25:46,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1699 transitions. [2018-12-08 19:25:46,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 19:25:46,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:25:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1228 states and 1739 transitions. [2018-12-08 19:25:51,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1739 transitions. [2018-12-08 19:25:51,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 19:25:51,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:51,806 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 19:25:52,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:52,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1234 states and 1745 transitions. [2018-12-08 19:25:52,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1745 transitions. [2018-12-08 19:25:52,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 19:25:52,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:52,533 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:25:53,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:53,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1245 states and 1755 transitions. [2018-12-08 19:25:53,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1755 transitions. [2018-12-08 19:25:53,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 19:25:53,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 19:25:54,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1247 states and 1756 transitions. [2018-12-08 19:25:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1756 transitions. [2018-12-08 19:25:54,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 19:25:54,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:25:55,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:25:55,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1249 states and 1757 transitions. [2018-12-08 19:25:55,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1757 transitions. [2018-12-08 19:25:55,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 19:25:55,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:25:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:25:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 19:26:01,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:01,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1264 states and 1795 transitions. [2018-12-08 19:26:01,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1795 transitions. [2018-12-08 19:26:01,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-08 19:26:01,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:01,696 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:26:03,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:03,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1269 states and 1802 transitions. [2018-12-08 19:26:03,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1802 transitions. [2018-12-08 19:26:03,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-08 19:26:03,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:03,318 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:26:07,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:07,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1280 states and 1834 transitions. [2018-12-08 19:26:07,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1834 transitions. [2018-12-08 19:26:07,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-08 19:26:07,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:07,741 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:26:09,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:09,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1282 states and 1853 transitions. [2018-12-08 19:26:09,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1853 transitions. [2018-12-08 19:26:09,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 19:26:09,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-08 19:26:10,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1284 states and 1862 transitions. [2018-12-08 19:26:10,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1862 transitions. [2018-12-08 19:26:10,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 19:26:10,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:10,180 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:26:10,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:10,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1288 states and 1867 transitions. [2018-12-08 19:26:10,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1867 transitions. [2018-12-08 19:26:10,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 19:26:10,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:10,632 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 19:26:11,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:11,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1289 states and 1868 transitions. [2018-12-08 19:26:11,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1868 transitions. [2018-12-08 19:26:11,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 19:26:11,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:11,160 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 19:26:11,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1293 states and 1871 transitions. [2018-12-08 19:26:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1871 transitions. [2018-12-08 19:26:11,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 19:26:11,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:11,586 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:12,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:12,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1303 states and 1883 transitions. [2018-12-08 19:26:12,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1883 transitions. [2018-12-08 19:26:12,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 19:26:12,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1313 states and 1893 transitions. [2018-12-08 19:26:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1893 transitions. [2018-12-08 19:26:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 19:26:12,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:12,561 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-08 19:26:15,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:15,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1316 states and 1908 transitions. [2018-12-08 19:26:15,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1908 transitions. [2018-12-08 19:26:15,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 19:26:15,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:15,205 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-08 19:26:16,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:16,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1317 states and 1910 transitions. [2018-12-08 19:26:16,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1910 transitions. [2018-12-08 19:26:16,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 19:26:16,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:16,526 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:26:18,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:18,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1322 states and 1916 transitions. [2018-12-08 19:26:18,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1916 transitions. [2018-12-08 19:26:18,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 19:26:18,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:26:20,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:20,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1332 states and 1944 transitions. [2018-12-08 19:26:20,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1944 transitions. [2018-12-08 19:26:20,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 19:26:20,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:20,960 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 19:26:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1341 states and 1959 transitions. [2018-12-08 19:26:23,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1959 transitions. [2018-12-08 19:26:23,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 19:26:23,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:23,629 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:23,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:23,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1343 states and 1962 transitions. [2018-12-08 19:26:23,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1962 transitions. [2018-12-08 19:26:23,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 19:26:23,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:23,736 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:23,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:23,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1355 states and 1983 transitions. [2018-12-08 19:26:23,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1983 transitions. [2018-12-08 19:26:23,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 19:26:23,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:23,984 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:23,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:24,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1357 states and 1985 transitions. [2018-12-08 19:26:24,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1985 transitions. [2018-12-08 19:26:24,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 19:26:24,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:24,009 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 19:26:25,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:25,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1359 states and 1988 transitions. [2018-12-08 19:26:25,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1988 transitions. [2018-12-08 19:26:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 19:26:25,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:25,385 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 19:26:27,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:27,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1360 states and 1991 transitions. [2018-12-08 19:26:27,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1991 transitions. [2018-12-08 19:26:27,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 19:26:27,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:26:27,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:27,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1365 states and 2001 transitions. [2018-12-08 19:26:27,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 2001 transitions. [2018-12-08 19:26:27,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 19:26:27,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:27,704 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-08 19:26:29,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:29,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 1368 states and 2016 transitions. [2018-12-08 19:26:29,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 2016 transitions. [2018-12-08 19:26:29,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 19:26:29,717 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:29,726 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 19:26:30,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 1374 states and 2021 transitions. [2018-12-08 19:26:30,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 2021 transitions. [2018-12-08 19:26:30,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 19:26:30,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:30,311 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 19:26:30,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:30,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 1380 states and 2030 transitions. [2018-12-08 19:26:30,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 2030 transitions. [2018-12-08 19:26:30,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 19:26:30,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:30,864 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:31,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:31,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 1393 states and 2045 transitions. [2018-12-08 19:26:31,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 2045 transitions. [2018-12-08 19:26:31,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 19:26:31,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:31,362 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:31,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:31,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 1401 states and 2053 transitions. [2018-12-08 19:26:31,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 2053 transitions. [2018-12-08 19:26:31,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 19:26:31,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:31,877 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:31,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:31,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 1403 states and 2055 transitions. [2018-12-08 19:26:31,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 2055 transitions. [2018-12-08 19:26:31,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 19:26:31,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:26:32,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:32,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 1405 states and 2058 transitions. [2018-12-08 19:26:32,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2058 transitions. [2018-12-08 19:26:32,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 19:26:32,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:32,182 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:32,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:32,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 1408 states and 2062 transitions. [2018-12-08 19:26:32,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 2062 transitions. [2018-12-08 19:26:32,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 19:26:32,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:32,212 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:32,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:32,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 1420 states and 2074 transitions. [2018-12-08 19:26:32,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 2074 transitions. [2018-12-08 19:26:32,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 19:26:32,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:32,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:32,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 1422 states and 2076 transitions. [2018-12-08 19:26:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 2076 transitions. [2018-12-08 19:26:32,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 19:26:32,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 19:26:33,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:33,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1430 states and 2087 transitions. [2018-12-08 19:26:33,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2087 transitions. [2018-12-08 19:26:33,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 19:26:33,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:33,190 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 19:26:33,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:33,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 1442 states and 2106 transitions. [2018-12-08 19:26:33,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2106 transitions. [2018-12-08 19:26:33,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 19:26:33,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:33,696 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:33,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:33,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 1443 states and 2106 transitions. [2018-12-08 19:26:33,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 2106 transitions. [2018-12-08 19:26:33,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 19:26:33,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:33,725 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:38,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:38,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 1468 states and 2144 transitions. [2018-12-08 19:26:38,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 2144 transitions. [2018-12-08 19:26:38,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 19:26:38,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:26:39,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:39,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 1466 states and 2140 transitions. [2018-12-08 19:26:39,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 2140 transitions. [2018-12-08 19:26:39,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 19:26:39,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 19:26:39,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:39,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 1465 states and 2138 transitions. [2018-12-08 19:26:39,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 2138 transitions. [2018-12-08 19:26:39,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 19:26:39,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:39,615 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 19:26:39,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:39,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1466 states and 2141 transitions. [2018-12-08 19:26:39,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 2141 transitions. [2018-12-08 19:26:39,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 19:26:39,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:39,680 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:26:40,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:40,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1467 states and 2142 transitions. [2018-12-08 19:26:40,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2142 transitions. [2018-12-08 19:26:40,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 19:26:40,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:40,191 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 19:26:40,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:40,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1475 states and 2152 transitions. [2018-12-08 19:26:40,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2152 transitions. [2018-12-08 19:26:40,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 19:26:40,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:40,726 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 19:26:41,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:41,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 1488 states and 2168 transitions. [2018-12-08 19:26:41,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 2168 transitions. [2018-12-08 19:26:41,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 19:26:41,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:41,375 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:26:41,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:41,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1494 states and 2180 transitions. [2018-12-08 19:26:41,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 2180 transitions. [2018-12-08 19:26:41,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 19:26:41,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:41,637 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:41,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:41,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 1495 states and 2181 transitions. [2018-12-08 19:26:41,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 2181 transitions. [2018-12-08 19:26:41,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 19:26:41,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:41,668 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:42,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:42,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1512 states and 2201 transitions. [2018-12-08 19:26:42,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 2201 transitions. [2018-12-08 19:26:42,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 19:26:42,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:42,195 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:26:42,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:42,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1513 states and 2202 transitions. [2018-12-08 19:26:42,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2202 transitions. [2018-12-08 19:26:42,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 19:26:42,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:42,224 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 19:26:42,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:42,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 1515 states and 2205 transitions. [2018-12-08 19:26:42,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2205 transitions. [2018-12-08 19:26:42,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 19:26:42,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 19:26:42,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:42,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1527 states and 2218 transitions. [2018-12-08 19:26:42,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 2218 transitions. [2018-12-08 19:26:42,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 19:26:42,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 19:26:43,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:43,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1529 states and 2220 transitions. [2018-12-08 19:26:43,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 2220 transitions. [2018-12-08 19:26:43,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 19:26:43,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:43,357 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:26:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:43,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 1528 states and 2214 transitions. [2018-12-08 19:26:43,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2214 transitions. [2018-12-08 19:26:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 19:26:43,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:43,381 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:26:43,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:43,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 1529 states and 2215 transitions. [2018-12-08 19:26:43,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 2215 transitions. [2018-12-08 19:26:43,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 19:26:43,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:43,407 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:26:43,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:43,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1521 states and 2200 transitions. [2018-12-08 19:26:43,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2200 transitions. [2018-12-08 19:26:43,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 19:26:43,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:44,173 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 81 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 19:26:51,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:51,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1536 states and 2220 transitions. [2018-12-08 19:26:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 2220 transitions. [2018-12-08 19:26:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 19:26:51,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:51,761 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:52,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:52,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 1551 states and 2235 transitions. [2018-12-08 19:26:52,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 2235 transitions. [2018-12-08 19:26:52,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 19:26:52,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:52,338 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 19:26:53,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:53,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 1566 states and 2258 transitions. [2018-12-08 19:26:53,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2258 transitions. [2018-12-08 19:26:53,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 19:26:53,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:53,222 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 19:26:53,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:53,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 1581 states and 2276 transitions. [2018-12-08 19:26:53,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2276 transitions. [2018-12-08 19:26:53,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 19:26:53,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:53,859 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:26:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:54,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1584 states and 2281 transitions. [2018-12-08 19:26:54,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2281 transitions. [2018-12-08 19:26:54,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 19:26:54,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:55,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:55,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 1602 states and 2301 transitions. [2018-12-08 19:26:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2301 transitions. [2018-12-08 19:26:55,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 19:26:55,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:55,253 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:55,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:55,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 1603 states and 2302 transitions. [2018-12-08 19:26:55,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2302 transitions. [2018-12-08 19:26:55,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 19:26:55,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:55,288 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 19:26:55,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:55,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2306 states to 1605 states and 2306 transitions. [2018-12-08 19:26:55,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2306 transitions. [2018-12-08 19:26:55,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 19:26:55,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:55,366 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 19:26:55,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:55,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 1616 states and 2318 transitions. [2018-12-08 19:26:55,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2318 transitions. [2018-12-08 19:26:55,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 19:26:55,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:55,430 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 19:26:55,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:55,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 1633 states and 2335 transitions. [2018-12-08 19:26:55,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 2335 transitions. [2018-12-08 19:26:55,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 19:26:55,986 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:55,997 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 19:26:56,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:56,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 1634 states and 2336 transitions. [2018-12-08 19:26:56,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2336 transitions. [2018-12-08 19:26:56,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 19:26:56,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:56,065 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:26:56,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:56,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 1631 states and 2330 transitions. [2018-12-08 19:26:56,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2330 transitions. [2018-12-08 19:26:56,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 19:26:56,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:56,762 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:26:56,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:56,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 1631 states and 2329 transitions. [2018-12-08 19:26:56,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2329 transitions. [2018-12-08 19:26:56,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 19:26:56,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:56,902 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 19:26:59,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:59,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 1642 states and 2341 transitions. [2018-12-08 19:26:59,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2341 transitions. [2018-12-08 19:26:59,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 19:26:59,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 19:26:59,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:59,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 1644 states and 2344 transitions. [2018-12-08 19:26:59,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 2344 transitions. [2018-12-08 19:26:59,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 19:26:59,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:59,772 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 19:26:59,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:59,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 1645 states and 2345 transitions. [2018-12-08 19:26:59,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2345 transitions. [2018-12-08 19:26:59,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 19:26:59,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:59,925 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 19:26:59,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:26:59,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 1646 states and 2346 transitions. [2018-12-08 19:26:59,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2346 transitions. [2018-12-08 19:26:59,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 19:26:59,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:26:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:26:59,987 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 19:27:01,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:27:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 1656 states and 2357 transitions. [2018-12-08 19:27:01,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2357 transitions. [2018-12-08 19:27:01,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 19:27:01,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:27:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:27:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 19:27:01,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:27:01,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 1657 states and 2358 transitions. [2018-12-08 19:27:01,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 2358 transitions. [2018-12-08 19:27:01,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 19:27:01,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:27:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:27:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 19:27:02,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:27:02,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 1665 states and 2369 transitions. [2018-12-08 19:27:02,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2369 transitions. [2018-12-08 19:27:02,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 19:27:02,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:27:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:27:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:27:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:27:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:27:02,451 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 186 iterations. [2018-12-08 19:27:02,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 07:27:02 ImpRootNode [2018-12-08 19:27:02,511 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 19:27:02,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:27:02,511 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:27:02,512 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:27:02,512 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:22:18" (3/4) ... [2018-12-08 19:27:02,513 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 19:27:02,587 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aa94c1bb-50a9-465d-8bf1-876578169b57/bin-2019/ukojak/witness.graphml [2018-12-08 19:27:02,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:27:02,588 INFO L168 Benchmark]: Toolchain (without parser) took 285085.97 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 957.1 MB in the beginning and 1.7 GB in the end (delta: -771.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-08 19:27:02,589 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:27:02,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-12-08 19:27:02,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:27:02,589 INFO L168 Benchmark]: Boogie Preprocessor took 23.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:27:02,589 INFO L168 Benchmark]: RCFGBuilder took 498.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 94.3 MB). Peak memory consumption was 94.3 MB. Max. memory is 11.5 GB. [2018-12-08 19:27:02,589 INFO L168 Benchmark]: CodeCheck took 284213.00 ms. Allocated memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -715.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-08 19:27:02,590 INFO L168 Benchmark]: Witness Printer took 75.83 ms. Allocated memory is still 3.0 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:27:02,590 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, 142 locations, 1 error locations. UNSAFE Result, 284.1s OverallTime, 186 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1359932040 SDtfs, -1584599990 SDslu, 1273763060 SDs, 0 SdLazy, -790484956 SolverSat, 19931534 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 582.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129418 GetRequests, 124467 SyntacticMatches, 2777 SemanticMatches, 2174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3115865 ImplicationChecksByTransitivity, 271.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 15816 NumberOfCodeBlocks, 15816 NumberOfCodeBlocksAsserted, 186 NumberOfCheckSat, 15523 ConstructedInterpolants, 0 QuantifiedInterpolants, 2884305 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 185 InterpolantComputations, 141 PerfectInterpolantSequences, 7911/10567 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 - CounterExampleResult [Line: 608]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L613] int s ; [L614] int tmp ; [L618] s = 8464 [L12] int s__info_callback = __VERIFIER_nondet_int() ; [L13] int s__in_handshake = __VERIFIER_nondet_int() ; [L14] int s__state ; [L15] int s__new_session ; [L16] int s__server ; [L17] int s__version = __VERIFIER_nondet_int() ; [L18] int s__type ; [L19] int s__init_num ; [L20] int s__hit = __VERIFIER_nondet_int() ; [L21] int s__rwstate ; [L22] int s__init_buf___0 ; [L23] int s__debug = __VERIFIER_nondet_int() ; [L24] int s__shutdown ; [L25] int s__cert = __VERIFIER_nondet_int() ; [L26] int s__options = __VERIFIER_nondet_int() ; [L27] int s__verify_mode = __VERIFIER_nondet_int() ; [L28] int s__session__peer = __VERIFIER_nondet_int() ; [L29] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L30] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L33] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L34] int s__s3__tmp__cert_request ; [L35] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L36] int s__s3__tmp__use_rsa_tmp ; [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L41] int s__session__cipher ; [L42] int buf ; [L43] unsigned long l ; [L44] unsigned long Time ; [L45] unsigned long tmp ; [L46] int cb ; [L47] long num1 = __VERIFIER_nondet_long() ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int got_new_session ; [L53] int tmp___1 = __VERIFIER_nondet_int() ; [L54] int tmp___2 = __VERIFIER_nondet_int() ; [L55] int tmp___3 = __VERIFIER_nondet_int() ; [L56] int tmp___4 = __VERIFIER_nondet_int() ; [L57] int tmp___5 = __VERIFIER_nondet_int() ; [L58] int tmp___6 = __VERIFIER_nondet_int() ; [L59] int tmp___7 ; [L60] long tmp___8 = __VERIFIER_nondet_long() ; [L61] int tmp___9 = __VERIFIER_nondet_int() ; [L62] int tmp___10 = __VERIFIER_nondet_int() ; [L63] int blastFlag ; [L64] int __cil_tmp55 ; [L65] unsigned long __cil_tmp56 ; [L66] unsigned long __cil_tmp57 ; [L67] unsigned long __cil_tmp58 ; [L68] unsigned long __cil_tmp59 ; [L69] int __cil_tmp60 ; [L70] unsigned long __cil_tmp61 ; [L74] s__state = initial_state [L75] blastFlag = 0 [L76] tmp = __VERIFIER_nondet_int() [L77] Time = tmp [L78] cb = 0 [L79] ret = -1 [L80] skip = 0 [L81] got_new_session = 0 [L82] COND TRUE s__info_callback != 0 [L83] cb = s__info_callback [L89] s__in_handshake ++ [L90] COND TRUE tmp___1 + 12288 [L91] COND FALSE !(tmp___2 + 16384) [L95] COND FALSE !(s__cert == 0) [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 8192) [L111] COND FALSE !(s__state == 24576) [L114] COND FALSE !(s__state == 8195) [L117] COND FALSE !(s__state == 8480) [L120] COND FALSE !(s__state == 8481) [L123] COND FALSE !(s__state == 8482) [L126] COND TRUE s__state == 8464 [L272] s__shutdown = 0 [L273] ret = __VERIFIER_nondet_int() [L274] COND TRUE blastFlag == 0 [L275] blastFlag = 1 [L277] COND FALSE !(ret <= 0) [L280] got_new_session = 1 [L281] s__state = 8496 [L282] s__init_num = 0 [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L597] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 8192) [L111] COND FALSE !(s__state == 24576) [L114] COND FALSE !(s__state == 8195) [L117] COND FALSE !(s__state == 8480) [L120] COND FALSE !(s__state == 8481) [L123] COND FALSE !(s__state == 8482) [L126] COND FALSE !(s__state == 8464) [L129] COND FALSE !(s__state == 8465) [L132] COND FALSE !(s__state == 8466) [L135] COND TRUE s__state == 8496 [L286] ret = __VERIFIER_nondet_int() [L287] COND TRUE blastFlag == 1 [L288] blastFlag = 2 [L294] COND FALSE !(ret <= 0) [L297] COND TRUE \read(s__hit) [L298] s__state = 8656 [L302] s__init_num = 0 [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L597] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 8192) [L111] COND FALSE !(s__state == 24576) [L114] COND FALSE !(s__state == 8195) [L117] COND FALSE !(s__state == 8480) [L120] COND FALSE !(s__state == 8481) [L123] COND FALSE !(s__state == 8482) [L126] COND FALSE !(s__state == 8464) [L129] COND FALSE !(s__state == 8465) [L132] COND FALSE !(s__state == 8466) [L135] COND FALSE !(s__state == 8496) [L138] COND FALSE !(s__state == 8497) [L141] COND FALSE !(s__state == 8512) [L144] COND FALSE !(s__state == 8513) [L147] COND FALSE !(s__state == 8528) [L150] COND FALSE !(s__state == 8529) [L153] COND FALSE !(s__state == 8544) [L156] COND FALSE !(s__state == 8545) [L159] COND FALSE !(s__state == 8560) [L162] COND FALSE !(s__state == 8561) [L165] COND FALSE !(s__state == 8448) [L168] COND FALSE !(s__state == 8576) [L171] COND FALSE !(s__state == 8577) [L174] COND FALSE !(s__state == 8592) [L177] COND FALSE !(s__state == 8593) [L180] COND FALSE !(s__state == 8608) [L183] COND FALSE !(s__state == 8609) [L186] COND FALSE !(s__state == 8640) [L189] COND FALSE !(s__state == 8641) [L192] COND TRUE s__state == 8656 [L491] s__session__cipher = s__s3__tmp__new_cipher [L492] COND FALSE !(! tmp___9) [L496] ret = __VERIFIER_nondet_int() [L497] COND TRUE blastFlag == 2 [L498] blastFlag = 3 [L500] COND FALSE !(ret <= 0) [L503] s__state = 8672 [L504] s__init_num = 0 [L505] COND FALSE !(! tmp___10) [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L597] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 8192) [L111] COND FALSE !(s__state == 24576) [L114] COND FALSE !(s__state == 8195) [L117] COND FALSE !(s__state == 8480) [L120] COND FALSE !(s__state == 8481) [L123] COND FALSE !(s__state == 8482) [L126] COND FALSE !(s__state == 8464) [L129] COND FALSE !(s__state == 8465) [L132] COND FALSE !(s__state == 8466) [L135] COND FALSE !(s__state == 8496) [L138] COND FALSE !(s__state == 8497) [L141] COND FALSE !(s__state == 8512) [L144] COND FALSE !(s__state == 8513) [L147] COND FALSE !(s__state == 8528) [L150] COND FALSE !(s__state == 8529) [L153] COND FALSE !(s__state == 8544) [L156] COND FALSE !(s__state == 8545) [L159] COND FALSE !(s__state == 8560) [L162] COND FALSE !(s__state == 8561) [L165] COND FALSE !(s__state == 8448) [L168] COND FALSE !(s__state == 8576) [L171] COND FALSE !(s__state == 8577) [L174] COND FALSE !(s__state == 8592) [L177] COND FALSE !(s__state == 8593) [L180] COND FALSE !(s__state == 8608) [L183] COND FALSE !(s__state == 8609) [L186] COND FALSE !(s__state == 8640) [L189] COND FALSE !(s__state == 8641) [L192] COND FALSE !(s__state == 8656) [L195] COND FALSE !(s__state == 8657) [L198] COND TRUE s__state == 8672 [L512] ret = __VERIFIER_nondet_int() [L513] COND TRUE blastFlag == 3 [L608] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 239.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 498.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 94.3 MB). Peak memory consumption was 94.3 MB. Max. memory is 11.5 GB. * CodeCheck took 284213.00 ms. Allocated memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -715.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 75.83 ms. Allocated memory is still 3.0 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...