./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label11_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4df198eb-ba4c-4dd5-8d37-5ccc196689fd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4df198eb-ba4c-4dd5-8d37-5ccc196689fd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4df198eb-ba4c-4dd5-8d37-5ccc196689fd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4df198eb-ba4c-4dd5-8d37-5ccc196689fd/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label11_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4df198eb-ba4c-4dd5-8d37-5ccc196689fd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4df198eb-ba4c-4dd5-8d37-5ccc196689fd/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 8bc5807873c5a4343353326fda69b22e512eabea ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:36:20,096 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:36:20,097 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:36:20,108 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:36:20,108 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:36:20,109 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:36:20,110 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:36:20,111 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:36:20,112 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:36:20,113 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:36:20,114 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:36:20,114 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:36:20,115 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:36:20,117 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:36:20,118 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:36:20,118 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:36:20,119 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:36:20,120 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:36:20,128 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:36:20,129 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:36:20,130 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:36:20,130 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:36:20,132 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:36:20,132 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:36:20,132 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:36:20,133 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:36:20,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:36:20,137 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:36:20,138 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:36:20,142 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:36:20,142 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:36:20,142 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:36:20,142 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:36:20,143 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:36:20,143 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:36:20,144 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:36:20,144 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4df198eb-ba4c-4dd5-8d37-5ccc196689fd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:36:20,156 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:36:20,156 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:36:20,156 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:36:20,157 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:36:20,157 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:36:20,158 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:36:20,158 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:36:20,158 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:36:20,158 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:36:20,158 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:36:20,159 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:36:20,159 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:36:20,159 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:36:20,159 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:36:20,159 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:36:20,159 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:36:20,159 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:36:20,160 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:36:20,160 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:36:20,160 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:36:20,160 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:36:20,160 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:36:20,160 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:36:20,160 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:36:20,161 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:36:20,161 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:36:20,161 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:36:20,161 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:36:20,161 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_4df198eb-ba4c-4dd5-8d37-5ccc196689fd/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 -> 8bc5807873c5a4343353326fda69b22e512eabea [2018-10-26 22:36:20,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:36:20,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:36:20,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:36:20,210 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:36:20,210 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:36:20,211 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4df198eb-ba4c-4dd5-8d37-5ccc196689fd/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label11_true-unreach-call_false-termination.c [2018-10-26 22:36:20,265 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4df198eb-ba4c-4dd5-8d37-5ccc196689fd/bin-2019/ukojak/data/3617f73e2/b722a90383514c77ac814aff98ff5ffd/FLAGe0e42a7aa [2018-10-26 22:36:20,748 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:36:20,749 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4df198eb-ba4c-4dd5-8d37-5ccc196689fd/sv-benchmarks/c/eca-rers2012/Problem02_label11_true-unreach-call_false-termination.c [2018-10-26 22:36:20,761 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4df198eb-ba4c-4dd5-8d37-5ccc196689fd/bin-2019/ukojak/data/3617f73e2/b722a90383514c77ac814aff98ff5ffd/FLAGe0e42a7aa [2018-10-26 22:36:20,773 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4df198eb-ba4c-4dd5-8d37-5ccc196689fd/bin-2019/ukojak/data/3617f73e2/b722a90383514c77ac814aff98ff5ffd [2018-10-26 22:36:20,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:36:20,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:36:20,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:36:20,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:36:20,782 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:36:20,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:36:20" (1/1) ... [2018-10-26 22:36:20,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14956367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:20, skipping insertion in model container [2018-10-26 22:36:20,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:36:20" (1/1) ... [2018-10-26 22:36:20,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:36:20,840 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:36:21,184 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:36:21,196 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:36:21,311 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:36:21,330 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:36:21,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:21 WrapperNode [2018-10-26 22:36:21,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:36:21,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:36:21,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:36:21,331 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:36:21,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:21" (1/1) ... [2018-10-26 22:36:21,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:21" (1/1) ... [2018-10-26 22:36:21,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:36:21,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:36:21,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:36:21,402 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:36:21,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:21" (1/1) ... [2018-10-26 22:36:21,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:21" (1/1) ... [2018-10-26 22:36:21,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:21" (1/1) ... [2018-10-26 22:36:21,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:21" (1/1) ... [2018-10-26 22:36:21,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:21" (1/1) ... [2018-10-26 22:36:21,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:21" (1/1) ... [2018-10-26 22:36:21,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:21" (1/1) ... [2018-10-26 22:36:21,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:36:21,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:36:21,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:36:21,535 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:36:21,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4df198eb-ba4c-4dd5-8d37-5ccc196689fd/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:36:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 22:36:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:36:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:36:25,807 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:36:25,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:36:25 BoogieIcfgContainer [2018-10-26 22:36:25,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:36:25,808 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:36:25,808 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:36:25,817 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:36:25,817 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:36:25" (1/1) ... [2018-10-26 22:36:25,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:36:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-10-26 22:36:25,862 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-10-26 22:36:25,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 22:36:25,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:26,327 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-26 22:36:26,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:26,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:26,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 165 states and 278 transitions. [2018-10-26 22:36:26,839 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 278 transitions. [2018-10-26 22:36:26,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 22:36:26,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:27,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:36:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:27,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 249 states and 368 transitions. [2018-10-26 22:36:27,953 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 368 transitions. [2018-10-26 22:36:27,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 22:36:27,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:28,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:28,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:28,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 255 states and 381 transitions. [2018-10-26 22:36:28,372 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 381 transitions. [2018-10-26 22:36:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 22:36:28,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:28,475 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:36:28,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:28,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 257 states and 384 transitions. [2018-10-26 22:36:28,704 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 384 transitions. [2018-10-26 22:36:28,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 22:36:28,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:28,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 262 states and 389 transitions. [2018-10-26 22:36:28,828 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 389 transitions. [2018-10-26 22:36:28,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 22:36:28,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:36:29,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:29,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 268 states and 396 transitions. [2018-10-26 22:36:29,536 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 396 transitions. [2018-10-26 22:36:29,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 22:36:29,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:30,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:30,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 290 states and 426 transitions. [2018-10-26 22:36:30,055 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 426 transitions. [2018-10-26 22:36:30,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 22:36:30,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:30,206 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:30,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 309 states and 455 transitions. [2018-10-26 22:36:30,999 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 455 transitions. [2018-10-26 22:36:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:36:31,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:31,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:31,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 314 states and 461 transitions. [2018-10-26 22:36:31,352 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 461 transitions. [2018-10-26 22:36:31,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-26 22:36:31,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:31,395 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:31,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:31,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 318 states and 465 transitions. [2018-10-26 22:36:31,709 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 465 transitions. [2018-10-26 22:36:31,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 22:36:31,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:31,743 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:36:32,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:32,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 319 states and 468 transitions. [2018-10-26 22:36:32,247 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 468 transitions. [2018-10-26 22:36:32,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 22:36:32,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:32,286 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:36:32,710 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 22:36:33,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:33,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 330 states and 483 transitions. [2018-10-26 22:36:33,400 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 483 transitions. [2018-10-26 22:36:33,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 22:36:33,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:36:33,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:33,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 334 states and 488 transitions. [2018-10-26 22:36:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 488 transitions. [2018-10-26 22:36:33,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 22:36:33,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:33,659 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:36:34,199 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 22:36:34,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:34,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 352 states and 508 transitions. [2018-10-26 22:36:34,379 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 508 transitions. [2018-10-26 22:36:34,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 22:36:34,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:34,406 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 22:36:34,750 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 22:36:35,190 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 22:36:35,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:35,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 353 states and 510 transitions. [2018-10-26 22:36:35,549 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 510 transitions. [2018-10-26 22:36:35,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 22:36:35,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:35,574 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 22:36:35,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:35,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 357 states and 514 transitions. [2018-10-26 22:36:35,721 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 514 transitions. [2018-10-26 22:36:35,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 22:36:35,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:35,818 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:36:36,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:36,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 358 states and 518 transitions. [2018-10-26 22:36:36,459 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 518 transitions. [2018-10-26 22:36:36,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-26 22:36:36,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:36,606 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:37,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 389 states and 559 transitions. [2018-10-26 22:36:37,468 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 559 transitions. [2018-10-26 22:36:37,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-26 22:36:37,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:37,499 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:36:37,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:37,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 406 states and 578 transitions. [2018-10-26 22:36:37,761 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 578 transitions. [2018-10-26 22:36:37,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-26 22:36:37,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:37,808 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:36:38,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:38,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 408 states and 579 transitions. [2018-10-26 22:36:38,005 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 579 transitions. [2018-10-26 22:36:38,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 22:36:38,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:38,179 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:36:38,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:38,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 415 states and 592 transitions. [2018-10-26 22:36:38,581 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 592 transitions. [2018-10-26 22:36:38,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 22:36:38,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:38,706 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:39,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 446 states and 633 transitions. [2018-10-26 22:36:39,951 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 633 transitions. [2018-10-26 22:36:39,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 22:36:39,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:41,672 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:42,282 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 22:36:42,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:42,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 457 states and 647 transitions. [2018-10-26 22:36:42,638 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 647 transitions. [2018-10-26 22:36:42,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 22:36:42,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:42,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:42,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 461 states and 651 transitions. [2018-10-26 22:36:42,987 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 651 transitions. [2018-10-26 22:36:42,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 22:36:42,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:43,025 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:43,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:43,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 495 states and 690 transitions. [2018-10-26 22:36:43,973 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 690 transitions. [2018-10-26 22:36:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 22:36:43,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:44,037 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:36:44,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:44,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 501 states and 695 transitions. [2018-10-26 22:36:44,325 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 695 transitions. [2018-10-26 22:36:44,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-26 22:36:44,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 22:36:45,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:45,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 521 states and 717 transitions. [2018-10-26 22:36:45,780 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 717 transitions. [2018-10-26 22:36:45,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-26 22:36:45,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 22:36:46,422 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 22:36:46,938 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 22:36:48,902 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 22:36:49,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:49,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 528 states and 723 transitions. [2018-10-26 22:36:49,342 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 723 transitions. [2018-10-26 22:36:49,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 22:36:49,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:49,372 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:50,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:50,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 547 states and 746 transitions. [2018-10-26 22:36:50,093 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 746 transitions. [2018-10-26 22:36:50,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 22:36:50,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 22:36:50,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:50,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 551 states and 749 transitions. [2018-10-26 22:36:50,305 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 749 transitions. [2018-10-26 22:36:50,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 22:36:50,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:36:50,998 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 22:36:51,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:51,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 567 states and 766 transitions. [2018-10-26 22:36:51,421 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 766 transitions. [2018-10-26 22:36:51,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 22:36:51,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:51,451 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:36:52,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:52,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 590 states and 789 transitions. [2018-10-26 22:36:52,303 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 789 transitions. [2018-10-26 22:36:52,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 22:36:52,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:52,333 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:36:52,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:52,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 594 states and 797 transitions. [2018-10-26 22:36:52,689 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 797 transitions. [2018-10-26 22:36:52,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 22:36:52,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:54,812 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:36:55,566 WARN L179 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2018-10-26 22:36:56,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:56,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 619 states and 826 transitions. [2018-10-26 22:36:56,573 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 826 transitions. [2018-10-26 22:36:56,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 22:36:56,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:36:57,604 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 22:36:57,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:57,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 620 states and 826 transitions. [2018-10-26 22:36:57,678 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 826 transitions. [2018-10-26 22:36:57,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 22:36:57,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:58,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:36:58,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 625 states and 832 transitions. [2018-10-26 22:36:58,400 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 832 transitions. [2018-10-26 22:36:58,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 22:36:58,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:36:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:58,858 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:37:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:00,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 667 states and 884 transitions. [2018-10-26 22:37:00,424 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 884 transitions. [2018-10-26 22:37:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 22:37:00,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:00,471 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:37:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 669 states and 885 transitions. [2018-10-26 22:37:00,755 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 885 transitions. [2018-10-26 22:37:00,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-26 22:37:00,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:00,793 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:00,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:00,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 690 states and 906 transitions. [2018-10-26 22:37:00,957 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 906 transitions. [2018-10-26 22:37:00,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:37:00,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:37:01,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:01,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 702 states and 919 transitions. [2018-10-26 22:37:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 919 transitions. [2018-10-26 22:37:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:37:01,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:02,015 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:37:02,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:02,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 706 states and 922 transitions. [2018-10-26 22:37:02,126 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 922 transitions. [2018-10-26 22:37:02,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:37:02,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:02,193 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:37:02,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:02,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 711 states and 926 transitions. [2018-10-26 22:37:02,430 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 926 transitions. [2018-10-26 22:37:02,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:37:02,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:02,499 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:37:02,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:02,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 716 states and 931 transitions. [2018-10-26 22:37:02,650 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 931 transitions. [2018-10-26 22:37:02,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 22:37:02,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:37:02,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:02,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 717 states and 932 transitions. [2018-10-26 22:37:02,722 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 932 transitions. [2018-10-26 22:37:02,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 22:37:02,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:03,396 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:06,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:06,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 776 states and 998 transitions. [2018-10-26 22:37:06,856 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 998 transitions. [2018-10-26 22:37:06,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 22:37:06,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:06,978 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:09,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:09,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 811 states and 1041 transitions. [2018-10-26 22:37:09,328 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1041 transitions. [2018-10-26 22:37:09,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-26 22:37:09,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:37:09,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:09,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 830 states and 1061 transitions. [2018-10-26 22:37:09,900 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1061 transitions. [2018-10-26 22:37:09,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:37:09,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:37:10,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:10,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 831 states and 1063 transitions. [2018-10-26 22:37:10,149 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1063 transitions. [2018-10-26 22:37:10,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:37:10,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:11,567 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:16,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:16,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 900 states and 1147 transitions. [2018-10-26 22:37:16,497 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1147 transitions. [2018-10-26 22:37:16,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:37:16,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:17,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:17,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 904 states and 1151 transitions. [2018-10-26 22:37:17,350 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1151 transitions. [2018-10-26 22:37:17,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:37:17,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:17,416 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:17,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:17,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 908 states and 1155 transitions. [2018-10-26 22:37:17,967 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1155 transitions. [2018-10-26 22:37:17,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:37:17,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:18,008 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:37:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:19,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 927 states and 1179 transitions. [2018-10-26 22:37:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1179 transitions. [2018-10-26 22:37:19,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:37:19,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:19,257 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:37:19,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:19,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 932 states and 1182 transitions. [2018-10-26 22:37:19,656 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1182 transitions. [2018-10-26 22:37:19,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:37:19,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:19,695 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:37:20,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 937 states and 1186 transitions. [2018-10-26 22:37:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1186 transitions. [2018-10-26 22:37:20,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-26 22:37:20,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:20,175 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:37:21,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:21,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 978 states and 1227 transitions. [2018-10-26 22:37:21,559 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1227 transitions. [2018-10-26 22:37:21,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 22:37:21,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:22,113 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:24,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1038 states and 1292 transitions. [2018-10-26 22:37:24,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1292 transitions. [2018-10-26 22:37:24,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 22:37:24,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:24,487 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:24,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1040 states and 1293 transitions. [2018-10-26 22:37:24,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1293 transitions. [2018-10-26 22:37:24,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 22:37:24,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:25,000 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:27,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:27,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1064 states and 1325 transitions. [2018-10-26 22:37:27,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1325 transitions. [2018-10-26 22:37:27,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 22:37:27,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:29,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:29,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1099 states and 1364 transitions. [2018-10-26 22:37:29,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1364 transitions. [2018-10-26 22:37:29,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 22:37:29,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:32,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:32,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1130 states and 1398 transitions. [2018-10-26 22:37:32,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1398 transitions. [2018-10-26 22:37:32,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 22:37:32,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:32,597 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:32,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:32,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1131 states and 1398 transitions. [2018-10-26 22:37:32,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1398 transitions. [2018-10-26 22:37:32,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 22:37:32,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:33,315 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:35,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:35,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1191 states and 1462 transitions. [2018-10-26 22:37:35,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1462 transitions. [2018-10-26 22:37:35,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 22:37:35,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:35,593 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:36,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:36,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1207 states and 1484 transitions. [2018-10-26 22:37:36,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1484 transitions. [2018-10-26 22:37:36,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 22:37:36,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:37,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:37,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1214 states and 1492 transitions. [2018-10-26 22:37:37,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1492 transitions. [2018-10-26 22:37:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 22:37:37,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:37,291 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:37,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:37,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1218 states and 1496 transitions. [2018-10-26 22:37:37,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1496 transitions. [2018-10-26 22:37:37,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 22:37:37,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:37,686 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 22:37:37,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:37,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1224 states and 1503 transitions. [2018-10-26 22:37:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1503 transitions. [2018-10-26 22:37:37,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-26 22:37:37,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:37,959 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:37:38,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:38,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1243 states and 1522 transitions. [2018-10-26 22:37:38,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1522 transitions. [2018-10-26 22:37:38,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 22:37:38,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:37:38,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1259 states and 1539 transitions. [2018-10-26 22:37:38,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1539 transitions. [2018-10-26 22:37:38,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 22:37:38,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:38,945 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 86 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:37:40,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:40,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1292 states and 1581 transitions. [2018-10-26 22:37:40,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1581 transitions. [2018-10-26 22:37:40,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 22:37:40,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:40,941 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 86 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:37:41,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:41,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1297 states and 1586 transitions. [2018-10-26 22:37:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1586 transitions. [2018-10-26 22:37:41,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 22:37:41,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:41,322 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:37:42,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:42,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1311 states and 1602 transitions. [2018-10-26 22:37:42,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1602 transitions. [2018-10-26 22:37:42,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-26 22:37:42,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:42,209 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 22:37:44,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:44,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1340 states and 1631 transitions. [2018-10-26 22:37:44,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1631 transitions. [2018-10-26 22:37:44,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-26 22:37:44,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:44,053 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 22:37:44,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:44,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1364 states and 1655 transitions. [2018-10-26 22:37:44,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1655 transitions. [2018-10-26 22:37:44,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-26 22:37:44,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:44,712 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 22:37:45,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:45,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1366 states and 1657 transitions. [2018-10-26 22:37:45,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1657 transitions. [2018-10-26 22:37:45,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 22:37:45,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:37:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:49,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1437 states and 1727 transitions. [2018-10-26 22:37:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1727 transitions. [2018-10-26 22:37:49,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-26 22:37:49,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:49,822 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:37:50,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:50,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1447 states and 1738 transitions. [2018-10-26 22:37:50,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 1738 transitions. [2018-10-26 22:37:50,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-26 22:37:50,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:37:50,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:50,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1476 states and 1770 transitions. [2018-10-26 22:37:50,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1770 transitions. [2018-10-26 22:37:50,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-26 22:37:50,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:50,998 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:37:51,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:51,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1478 states and 1773 transitions. [2018-10-26 22:37:51,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1773 transitions. [2018-10-26 22:37:51,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 22:37:51,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:51,818 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:37:53,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:53,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1490 states and 1789 transitions. [2018-10-26 22:37:53,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1789 transitions. [2018-10-26 22:37:53,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 22:37:53,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:53,431 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:37:53,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:53,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1492 states and 1794 transitions. [2018-10-26 22:37:53,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1794 transitions. [2018-10-26 22:37:53,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 22:37:53,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:54,038 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 102 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:55,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:55,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1509 states and 1813 transitions. [2018-10-26 22:37:55,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 1813 transitions. [2018-10-26 22:37:55,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 22:37:55,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:55,142 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:37:56,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:56,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1516 states and 1823 transitions. [2018-10-26 22:37:56,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1823 transitions. [2018-10-26 22:37:56,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 22:37:56,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:57,009 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 159 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:37:58,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:58,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1533 states and 1843 transitions. [2018-10-26 22:37:58,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1843 transitions. [2018-10-26 22:37:58,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 22:37:58,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:58,707 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:37:59,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:37:59,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1613 states and 1932 transitions. [2018-10-26 22:37:59,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 1932 transitions. [2018-10-26 22:37:59,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 22:37:59,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:37:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:00,033 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:38:00,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:00,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1626 states and 1946 transitions. [2018-10-26 22:38:00,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1946 transitions. [2018-10-26 22:38:00,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-26 22:38:00,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:00,515 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:38:02,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:02,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1656 states and 1976 transitions. [2018-10-26 22:38:02,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 1976 transitions. [2018-10-26 22:38:02,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-26 22:38:02,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:38:04,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:04,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 1688 states and 2008 transitions. [2018-10-26 22:38:04,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2008 transitions. [2018-10-26 22:38:04,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-26 22:38:04,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:05,037 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 22:38:05,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:05,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 1709 states and 2030 transitions. [2018-10-26 22:38:05,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2030 transitions. [2018-10-26 22:38:05,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 22:38:05,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:05,293 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:38:05,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:05,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 1710 states and 2031 transitions. [2018-10-26 22:38:05,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2031 transitions. [2018-10-26 22:38:05,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 22:38:05,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:05,601 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:38:05,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:05,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 1711 states and 2031 transitions. [2018-10-26 22:38:05,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2031 transitions. [2018-10-26 22:38:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 22:38:05,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:05,852 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 22:38:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:06,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 1722 states and 2045 transitions. [2018-10-26 22:38:06,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2045 transitions. [2018-10-26 22:38:06,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 22:38:06,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:06,518 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 22:38:07,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:07,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1727 states and 2050 transitions. [2018-10-26 22:38:07,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2050 transitions. [2018-10-26 22:38:07,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-26 22:38:07,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:07,401 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:38:07,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:07,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 1734 states and 2062 transitions. [2018-10-26 22:38:07,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2062 transitions. [2018-10-26 22:38:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:38:07,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:08,162 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:38:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:10,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 1798 states and 2140 transitions. [2018-10-26 22:38:10,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2140 transitions. [2018-10-26 22:38:10,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:38:10,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:11,213 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:38:11,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:11,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1802 states and 2141 transitions. [2018-10-26 22:38:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2141 transitions. [2018-10-26 22:38:11,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:38:11,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:12,128 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:38:12,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:12,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 1806 states and 2144 transitions. [2018-10-26 22:38:12,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2144 transitions. [2018-10-26 22:38:12,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 22:38:12,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:38:13,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:13,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 1827 states and 2169 transitions. [2018-10-26 22:38:13,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2169 transitions. [2018-10-26 22:38:13,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 22:38:13,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:38:14,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1829 states and 2170 transitions. [2018-10-26 22:38:14,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2170 transitions. [2018-10-26 22:38:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:38:14,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:15,026 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:38:18,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:18,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 1899 states and 2242 transitions. [2018-10-26 22:38:18,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 2242 transitions. [2018-10-26 22:38:18,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:38:18,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:18,465 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:38:19,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:19,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 1915 states and 2257 transitions. [2018-10-26 22:38:19,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2257 transitions. [2018-10-26 22:38:19,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:38:19,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:19,407 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:38:19,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:19,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 1920 states and 2262 transitions. [2018-10-26 22:38:19,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2262 transitions. [2018-10-26 22:38:19,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 22:38:19,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:19,602 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:38:20,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:20,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 1923 states and 2264 transitions. [2018-10-26 22:38:20,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2264 transitions. [2018-10-26 22:38:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 22:38:20,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:20,672 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:38:24,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 1991 states and 2344 transitions. [2018-10-26 22:38:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2344 transitions. [2018-10-26 22:38:24,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 22:38:24,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:38:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:26,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 1998 states and 2351 transitions. [2018-10-26 22:38:26,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1998 states and 2351 transitions. [2018-10-26 22:38:26,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 22:38:26,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:26,239 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:38:27,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:27,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2004 states and 2355 transitions. [2018-10-26 22:38:27,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2355 transitions. [2018-10-26 22:38:27,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 22:38:27,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:27,130 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:38:30,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:30,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2035 states and 2396 transitions. [2018-10-26 22:38:30,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2396 transitions. [2018-10-26 22:38:30,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 22:38:30,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:38:30,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:30,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2040 states and 2401 transitions. [2018-10-26 22:38:30,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2401 transitions. [2018-10-26 22:38:30,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 22:38:30,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:30,977 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:38:31,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:31,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2045 states and 2406 transitions. [2018-10-26 22:38:31,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 2406 transitions. [2018-10-26 22:38:31,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 22:38:31,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:38:31,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:31,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2049 states and 2410 transitions. [2018-10-26 22:38:31,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 2410 transitions. [2018-10-26 22:38:31,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:38:31,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 156 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:38:33,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:33,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2068 states and 2434 transitions. [2018-10-26 22:38:33,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2434 transitions. [2018-10-26 22:38:33,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:38:33,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 156 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:38:35,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:35,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2075 states and 2440 transitions. [2018-10-26 22:38:35,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2440 transitions. [2018-10-26 22:38:35,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:38:35,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:35,077 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-10-26 22:38:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 2077 states and 2441 transitions. [2018-10-26 22:38:35,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 2441 transitions. [2018-10-26 22:38:35,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-26 22:38:35,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:35,433 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 22:38:40,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:40,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2113 states and 2492 transitions. [2018-10-26 22:38:40,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2492 transitions. [2018-10-26 22:38:40,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-26 22:38:40,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:40,193 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 22:38:40,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:40,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2123 states and 2501 transitions. [2018-10-26 22:38:40,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2501 transitions. [2018-10-26 22:38:40,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-26 22:38:40,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 22:38:42,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:42,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2134 states and 2514 transitions. [2018-10-26 22:38:42,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2514 transitions. [2018-10-26 22:38:42,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-26 22:38:42,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:42,404 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 22:38:42,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:42,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2139 states and 2519 transitions. [2018-10-26 22:38:42,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2519 transitions. [2018-10-26 22:38:42,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-26 22:38:42,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:42,927 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 22:38:43,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:43,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2143 states and 2523 transitions. [2018-10-26 22:38:43,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2143 states and 2523 transitions. [2018-10-26 22:38:43,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-26 22:38:43,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:43,426 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:38:45,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:45,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2175 states and 2561 transitions. [2018-10-26 22:38:45,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2561 transitions. [2018-10-26 22:38:45,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-26 22:38:45,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:45,966 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:38:46,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:46,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2179 states and 2565 transitions. [2018-10-26 22:38:46,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2179 states and 2565 transitions. [2018-10-26 22:38:46,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-26 22:38:46,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:46,393 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 141 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-26 22:38:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:46,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2187 states and 2573 transitions. [2018-10-26 22:38:46,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 2573 transitions. [2018-10-26 22:38:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-26 22:38:46,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:46,511 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 141 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-26 22:38:46,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:46,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 2192 states and 2579 transitions. [2018-10-26 22:38:46,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 2579 transitions. [2018-10-26 22:38:46,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-26 22:38:46,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:46,989 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 141 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-26 22:38:47,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:47,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 2196 states and 2583 transitions. [2018-10-26 22:38:47,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 2583 transitions. [2018-10-26 22:38:47,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-26 22:38:47,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:47,469 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:38:47,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2217 states and 2603 transitions. [2018-10-26 22:38:47,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 2603 transitions. [2018-10-26 22:38:47,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-10-26 22:38:47,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:48,032 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:38:50,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:50,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2249 states and 2637 transitions. [2018-10-26 22:38:50,833 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 2637 transitions. [2018-10-26 22:38:50,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-10-26 22:38:50,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:51,176 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:38:52,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:52,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2258 states and 2645 transitions. [2018-10-26 22:38:52,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 2645 transitions. [2018-10-26 22:38:52,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 22:38:52,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:52,350 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 22:38:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:53,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2283 states and 2668 transitions. [2018-10-26 22:38:53,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2668 transitions. [2018-10-26 22:38:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 22:38:53,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:53,256 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 22:38:54,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:54,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2314 states and 2698 transitions. [2018-10-26 22:38:54,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2698 transitions. [2018-10-26 22:38:54,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 22:38:54,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:54,903 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:38:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2322 states and 2706 transitions. [2018-10-26 22:38:55,472 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2706 transitions. [2018-10-26 22:38:55,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 22:38:55,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:55,527 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:38:57,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:57,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 2345 states and 2735 transitions. [2018-10-26 22:38:57,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 2735 transitions. [2018-10-26 22:38:57,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 22:38:57,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:58,039 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:38:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2349 states and 2740 transitions. [2018-10-26 22:38:58,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 2740 transitions. [2018-10-26 22:38:58,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 22:38:58,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:38:58,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:58,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2350 states and 2741 transitions. [2018-10-26 22:38:58,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2350 states and 2741 transitions. [2018-10-26 22:38:58,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 22:38:58,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:38:59,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:38:59,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 2354 states and 2745 transitions. [2018-10-26 22:38:59,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 2745 transitions. [2018-10-26 22:38:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 22:38:59,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:38:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:39:05,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:05,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2433 states and 2838 transitions. [2018-10-26 22:39:05,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 2838 transitions. [2018-10-26 22:39:05,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-26 22:39:05,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:39:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:09,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2508 states and 2927 transitions. [2018-10-26 22:39:09,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 2927 transitions. [2018-10-26 22:39:09,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-26 22:39:09,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:09,923 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:39:12,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:12,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 2571 states and 2993 transitions. [2018-10-26 22:39:12,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 2993 transitions. [2018-10-26 22:39:12,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-26 22:39:12,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:39:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 2620 states and 3045 transitions. [2018-10-26 22:39:14,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 3045 transitions. [2018-10-26 22:39:14,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-26 22:39:14,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:14,500 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:39:14,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:14,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 2621 states and 3045 transitions. [2018-10-26 22:39:14,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 3045 transitions. [2018-10-26 22:39:14,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-26 22:39:14,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:16,630 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:39:20,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3089 states to 2658 states and 3089 transitions. [2018-10-26 22:39:20,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 3089 transitions. [2018-10-26 22:39:20,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-26 22:39:20,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:20,569 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:39:21,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:21,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3093 states to 2662 states and 3093 transitions. [2018-10-26 22:39:21,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 3093 transitions. [2018-10-26 22:39:21,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-26 22:39:21,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:22,045 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:39:23,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:23,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 2666 states and 3097 transitions. [2018-10-26 22:39:23,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 3097 transitions. [2018-10-26 22:39:23,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 22:39:23,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:23,163 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-10-26 22:39:24,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:24,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 2680 states and 3113 transitions. [2018-10-26 22:39:24,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 3113 transitions. [2018-10-26 22:39:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 22:39:24,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:24,806 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-10-26 22:39:25,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 2682 states and 3115 transitions. [2018-10-26 22:39:25,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 3115 transitions. [2018-10-26 22:39:25,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 22:39:25,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:25,775 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-10-26 22:39:25,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:25,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 2684 states and 3117 transitions. [2018-10-26 22:39:25,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 3117 transitions. [2018-10-26 22:39:25,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 22:39:25,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:25,883 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-10-26 22:39:26,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:26,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 2705 states and 3137 transitions. [2018-10-26 22:39:26,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 3137 transitions. [2018-10-26 22:39:26,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-26 22:39:26,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:26,806 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 22:39:29,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:29,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 2734 states and 3168 transitions. [2018-10-26 22:39:29,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 3168 transitions. [2018-10-26 22:39:29,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-26 22:39:29,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 22:39:30,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:30,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 2737 states and 3170 transitions. [2018-10-26 22:39:30,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3170 transitions. [2018-10-26 22:39:30,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-26 22:39:30,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:30,590 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 22:39:30,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:30,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 2738 states and 3170 transitions. [2018-10-26 22:39:30,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3170 transitions. [2018-10-26 22:39:30,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-26 22:39:30,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:30,935 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 196 proven. 5 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-26 22:39:31,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:31,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3181 states to 2748 states and 3181 transitions. [2018-10-26 22:39:31,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 3181 transitions. [2018-10-26 22:39:31,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 22:39:31,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:31,530 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 22:39:31,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:31,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 2756 states and 3189 transitions. [2018-10-26 22:39:31,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3189 transitions. [2018-10-26 22:39:31,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-26 22:39:31,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:31,626 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 22:39:33,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:33,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3272 states to 2836 states and 3272 transitions. [2018-10-26 22:39:33,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 3272 transitions. [2018-10-26 22:39:33,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 22:39:33,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 5 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 22:39:33,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:33,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 2842 states and 3280 transitions. [2018-10-26 22:39:33,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2842 states and 3280 transitions. [2018-10-26 22:39:33,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 22:39:33,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:34,184 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 5 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 22:39:34,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:34,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 2843 states and 3280 transitions. [2018-10-26 22:39:34,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3280 transitions. [2018-10-26 22:39:34,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 22:39:34,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-10-26 22:39:34,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:34,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 2844 states and 3281 transitions. [2018-10-26 22:39:34,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2844 states and 3281 transitions. [2018-10-26 22:39:34,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 22:39:34,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-10-26 22:39:35,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:35,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 2761 states and 3195 transitions. [2018-10-26 22:39:35,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 3195 transitions. [2018-10-26 22:39:35,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:39:35,275 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 155 iterations. [2018-10-26 22:39:35,283 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:39:35,393 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 13 [2018-10-26 22:39:35,749 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 13 [2018-10-26 22:39:35,992 WARN L179 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 13 [2018-10-26 22:39:36,399 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 13 [2018-10-26 22:39:37,229 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 13 [2018-10-26 22:39:37,440 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 13 [2018-10-26 22:39:37,979 WARN L179 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 43 [2018-10-26 22:39:39,151 WARN L179 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 13 [2018-10-26 22:39:39,498 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 39 [2018-10-26 22:39:39,644 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 13 [2018-10-26 22:39:39,847 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 13 [2018-10-26 22:39:39,959 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 13 [2018-10-26 22:39:41,566 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 13 [2018-10-26 22:39:41,747 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 13 [2018-10-26 22:39:41,850 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2018-10-26 22:39:42,062 WARN L179 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 13 [2018-10-26 22:39:42,329 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 44 [2018-10-26 22:39:42,564 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:39:42,567 INFO L582 CodeCheckObserver]: Invariant with dag size 13 [2018-10-26 22:39:42,573 INFO L582 CodeCheckObserver]: Invariant with dag size 13 [2018-10-26 22:39:42,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:39:42 ImpRootNode [2018-10-26 22:39:42,574 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:39:42,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:39:42,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:39:42,575 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:39:42,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:36:25" (3/4) ... [2018-10-26 22:39:42,579 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:39:42,602 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-10-26 22:39:42,603 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-26 22:39:42,604 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-26 22:39:42,605 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 22:39:42,772 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4df198eb-ba4c-4dd5-8d37-5ccc196689fd/bin-2019/ukojak/witness.graphml [2018-10-26 22:39:42,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:39:42,773 INFO L168 Benchmark]: Toolchain (without parser) took 201995.92 ms. Allocated memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: 2.6 GB). Free memory was 958.1 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-10-26 22:39:42,774 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:39:42,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 552.42 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 928.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:39:42,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.31 ms. Allocated memory is still 1.0 GB. Free memory was 928.5 MB in the beginning and 923.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:39:42,775 INFO L168 Benchmark]: Boogie Preprocessor took 133.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -216.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:39:42,775 INFO L168 Benchmark]: RCFGBuilder took 4272.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.7 MB in the end (delta: 231.2 MB). Peak memory consumption was 231.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:39:42,776 INFO L168 Benchmark]: CodeCheck took 196766.53 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 908.7 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-10-26 22:39:42,776 INFO L168 Benchmark]: Witness Printer took 197.13 ms. Allocated memory is still 3.7 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 4.7 kB). Peak memory consumption was 4.7 kB. Max. memory is 11.5 GB. [2018-10-26 22:39:42,782 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, 228 locations, 1 error locations. SAFE Result, 189.4s OverallTime, 155 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 239534432 SDtfs, -686072112 SDslu, -2110387456 SDs, 0 SdLazy, 309136952 SolverSat, 2026346240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1109.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175531 GetRequests, 172155 SyntacticMatches, 1888 SemanticMatches, 1488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1556941 ImplicationChecksByTransitivity, 164.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 24.0s InterpolantComputationTime, 26480 NumberOfCodeBlocks, 26480 NumberOfCodeBlocksAsserted, 154 NumberOfCheckSat, 26326 ConstructedInterpolants, 0 QuantifiedInterpolants, 14719655 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 154 InterpolantComputations, 126 PerfectInterpolantSequences, 20007/20257 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((a17 == 8 || a19 == 1) || !(a25 == 1)) || !(a28 == 8) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a19 == 1 || a17 == 8) || !(a28 == 8)) || !(a25 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 552.42 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 928.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.31 ms. Allocated memory is still 1.0 GB. Free memory was 928.5 MB in the beginning and 923.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 133.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -216.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4272.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.7 MB in the end (delta: 231.2 MB). Peak memory consumption was 231.2 MB. Max. memory is 11.5 GB. * CodeCheck took 196766.53 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 908.7 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. * Witness Printer took 197.13 ms. Allocated memory is still 3.7 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 4.7 kB). Peak memory consumption was 4.7 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...