./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fed802e4-5806-4dfe-ace4-9b4e6457b2f8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fed802e4-5806-4dfe-ace4-9b4e6457b2f8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fed802e4-5806-4dfe-ace4-9b4e6457b2f8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fed802e4-5806-4dfe-ace4-9b4e6457b2f8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fed802e4-5806-4dfe-ace4-9b4e6457b2f8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fed802e4-5806-4dfe-ace4-9b4e6457b2f8/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 3774d82389353be2170e26cc4e53c0d06e3cb94d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 14:04:00,253 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:04:00,254 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:04:00,262 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:04:00,262 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:04:00,262 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:04:00,263 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:04:00,264 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:04:00,265 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:04:00,266 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:04:00,266 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:04:00,267 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:04:00,267 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:04:00,268 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:04:00,269 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:04:00,269 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:04:00,270 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:04:00,271 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:04:00,272 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:04:00,273 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:04:00,274 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:04:00,275 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:04:00,276 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:04:00,276 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:04:00,277 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:04:00,277 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:04:00,278 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:04:00,278 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:04:00,279 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:04:00,279 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:04:00,279 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:04:00,279 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:04:00,280 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:04:00,280 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:04:00,280 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:04:00,280 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:04:00,280 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fed802e4-5806-4dfe-ace4-9b4e6457b2f8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 14:04:00,287 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:04:00,287 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:04:00,288 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:04:00,288 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 14:04:00,288 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 14:04:00,288 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 14:04:00,288 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:04:00,288 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:04:00,288 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 14:04:00,288 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:04:00,288 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:04:00,289 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:04:00,289 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:04:00,289 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:04:00,289 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:04:00,289 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:04:00,289 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 14:04:00,289 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:04:00,289 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 14:04:00,289 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 14:04:00,289 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:04:00,289 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:04:00,289 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 14:04:00,290 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:04:00,290 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:04:00,290 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:04:00,290 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 14:04:00,290 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:04:00,290 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 14:04:00,290 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_fed802e4-5806-4dfe-ace4-9b4e6457b2f8/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 -> 3774d82389353be2170e26cc4e53c0d06e3cb94d [2018-12-08 14:04:00,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:04:00,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:04:00,315 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:04:00,315 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:04:00,316 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:04:00,316 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fed802e4-5806-4dfe-ace4-9b4e6457b2f8/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c [2018-12-08 14:04:00,347 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fed802e4-5806-4dfe-ace4-9b4e6457b2f8/bin-2019/ukojak/data/3c8c4da59/317bf8ed46a14d4f8cad1737797b6fe4/FLAGc3bf27ff7 [2018-12-08 14:04:00,751 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:04:00,752 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fed802e4-5806-4dfe-ace4-9b4e6457b2f8/sv-benchmarks/c/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c [2018-12-08 14:04:00,758 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fed802e4-5806-4dfe-ace4-9b4e6457b2f8/bin-2019/ukojak/data/3c8c4da59/317bf8ed46a14d4f8cad1737797b6fe4/FLAGc3bf27ff7 [2018-12-08 14:04:00,766 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fed802e4-5806-4dfe-ace4-9b4e6457b2f8/bin-2019/ukojak/data/3c8c4da59/317bf8ed46a14d4f8cad1737797b6fe4 [2018-12-08 14:04:00,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:04:00,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:04:00,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:04:00,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:04:00,771 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:04:00,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:04:00" (1/1) ... [2018-12-08 14:04:00,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:00, skipping insertion in model container [2018-12-08 14:04:00,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:04:00" (1/1) ... [2018-12-08 14:04:00,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:04:00,801 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:04:00,969 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:04:00,972 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:04:01,050 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:04:01,059 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:04:01,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:01 WrapperNode [2018-12-08 14:04:01,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:04:01,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:04:01,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:04:01,060 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:04:01,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:01" (1/1) ... [2018-12-08 14:04:01,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:01" (1/1) ... [2018-12-08 14:04:01,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:04:01,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:04:01,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:04:01,100 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:04:01,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:01" (1/1) ... [2018-12-08 14:04:01,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:01" (1/1) ... [2018-12-08 14:04:01,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:01" (1/1) ... [2018-12-08 14:04:01,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:01" (1/1) ... [2018-12-08 14:04:01,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:01" (1/1) ... [2018-12-08 14:04:01,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:01" (1/1) ... [2018-12-08 14:04:01,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:01" (1/1) ... [2018-12-08 14:04:01,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:04:01,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:04:01,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:04:01,131 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:04:01,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fed802e4-5806-4dfe-ace4-9b4e6457b2f8/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 14:04:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:04:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:04:02,177 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:04:02,177 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 14:04:02,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:04:02 BoogieIcfgContainer [2018-12-08 14:04:02,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:04:02,178 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 14:04:02,178 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 14:04:02,186 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 14:04:02,186 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:04:02" (1/1) ... [2018-12-08 14:04:02,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:04:02,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:02,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-08 14:04:02,220 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-08 14:04:02,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 14:04:02,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:02,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:02,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:02,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2018-12-08 14:04:02,763 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2018-12-08 14:04:02,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 14:04:02,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:02,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:03,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:03,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2018-12-08 14:04:03,004 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2018-12-08 14:04:03,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-08 14:04:03,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:03,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:03,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2018-12-08 14:04:03,109 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2018-12-08 14:04:03,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-08 14:04:03,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:03,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:03,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 154 states and 260 transitions. [2018-12-08 14:04:03,288 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2018-12-08 14:04:03,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 14:04:03,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:03,302 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 14:04:03,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:03,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 155 states and 261 transitions. [2018-12-08 14:04:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2018-12-08 14:04:03,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 14:04:03,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:03,354 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 14:04:03,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:03,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 166 states and 281 transitions. [2018-12-08 14:04:03,630 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2018-12-08 14:04:03,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-08 14:04:03,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:04,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:04,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 180 states and 300 transitions. [2018-12-08 14:04:04,003 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 300 transitions. [2018-12-08 14:04:04,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 14:04:04,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:04,063 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:04,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:04,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 195 states and 321 transitions. [2018-12-08 14:04:04,487 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 321 transitions. [2018-12-08 14:04:04,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 14:04:04,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:04,509 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:04,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:04,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 201 states and 330 transitions. [2018-12-08 14:04:04,778 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 330 transitions. [2018-12-08 14:04:04,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 14:04:04,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:04,791 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:04,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:04,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 205 states and 336 transitions. [2018-12-08 14:04:04,810 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 336 transitions. [2018-12-08 14:04:04,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 14:04:04,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:04,842 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:05,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:05,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 220 states and 361 transitions. [2018-12-08 14:04:05,334 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 361 transitions. [2018-12-08 14:04:05,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 14:04:05,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:05,355 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 221 states and 364 transitions. [2018-12-08 14:04:05,526 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 364 transitions. [2018-12-08 14:04:05,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 14:04:05,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:05,541 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 14:04:05,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:05,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 230 states and 372 transitions. [2018-12-08 14:04:05,764 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 372 transitions. [2018-12-08 14:04:05,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 14:04:05,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:05,809 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 14:04:06,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:06,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 244 states and 397 transitions. [2018-12-08 14:04:06,448 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 397 transitions. [2018-12-08 14:04:06,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 14:04:06,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:06,485 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 14:04:06,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:06,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 245 states and 400 transitions. [2018-12-08 14:04:06,639 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 400 transitions. [2018-12-08 14:04:06,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 14:04:06,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:06,651 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 265 states and 427 transitions. [2018-12-08 14:04:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 427 transitions. [2018-12-08 14:04:07,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 14:04:07,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:07,137 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 14:04:07,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:07,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 268 states and 431 transitions. [2018-12-08 14:04:07,242 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 431 transitions. [2018-12-08 14:04:07,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 14:04:07,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:07,255 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 14:04:07,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 269 states and 431 transitions. [2018-12-08 14:04:07,282 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 431 transitions. [2018-12-08 14:04:07,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 14:04:07,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:07,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:07,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 276 states and 439 transitions. [2018-12-08 14:04:07,366 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 439 transitions. [2018-12-08 14:04:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 14:04:07,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:07,379 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 14:04:07,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:07,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 279 states and 444 transitions. [2018-12-08 14:04:07,515 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 444 transitions. [2018-12-08 14:04:07,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 14:04:07,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:07,594 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:08,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:08,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 306 states and 480 transitions. [2018-12-08 14:04:08,310 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 480 transitions. [2018-12-08 14:04:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 14:04:08,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 14:04:08,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:08,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 321 states and 501 transitions. [2018-12-08 14:04:08,913 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 501 transitions. [2018-12-08 14:04:08,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 14:04:08,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 14:04:09,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:09,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 322 states and 502 transitions. [2018-12-08 14:04:09,088 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 502 transitions. [2018-12-08 14:04:09,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 14:04:09,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:09,103 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:09,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:09,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 337 states and 521 transitions. [2018-12-08 14:04:09,634 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 521 transitions. [2018-12-08 14:04:09,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 14:04:09,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:09,649 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:09,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 340 states and 524 transitions. [2018-12-08 14:04:09,773 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 524 transitions. [2018-12-08 14:04:09,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 14:04:09,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:09,788 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:09,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 343 states and 527 transitions. [2018-12-08 14:04:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 527 transitions. [2018-12-08 14:04:09,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 14:04:09,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:09,971 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 14:04:10,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:10,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 345 states and 529 transitions. [2018-12-08 14:04:10,041 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 529 transitions. [2018-12-08 14:04:10,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 14:04:10,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:10,063 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 14:04:10,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:10,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 368 states and 557 transitions. [2018-12-08 14:04:10,686 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 557 transitions. [2018-12-08 14:04:10,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 14:04:10,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:10,764 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 14:04:11,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:11,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 460 states and 662 transitions. [2018-12-08 14:04:11,950 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 662 transitions. [2018-12-08 14:04:11,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 14:04:11,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:12,018 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:04:12,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 465 states and 668 transitions. [2018-12-08 14:04:12,313 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 668 transitions. [2018-12-08 14:04:12,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-08 14:04:12,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 14:04:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:12,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 472 states and 675 transitions. [2018-12-08 14:04:12,594 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 675 transitions. [2018-12-08 14:04:12,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-08 14:04:12,595 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:12,611 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 14:04:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:12,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 480 states and 682 transitions. [2018-12-08 14:04:12,816 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 682 transitions. [2018-12-08 14:04:12,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-08 14:04:12,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:12,837 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 14:04:12,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:12,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 484 states and 687 transitions. [2018-12-08 14:04:12,986 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 687 transitions. [2018-12-08 14:04:12,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-08 14:04:12,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:13,003 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 14:04:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 493 states and 698 transitions. [2018-12-08 14:04:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 698 transitions. [2018-12-08 14:04:13,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 14:04:13,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:13,212 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:04:13,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:13,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 501 states and 706 transitions. [2018-12-08 14:04:13,246 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 706 transitions. [2018-12-08 14:04:13,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 14:04:13,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:13,438 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:04:14,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:14,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 519 states and 735 transitions. [2018-12-08 14:04:14,020 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 735 transitions. [2018-12-08 14:04:14,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 14:04:14,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:14,064 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:04:14,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:14,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 539 states and 759 transitions. [2018-12-08 14:04:14,464 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 759 transitions. [2018-12-08 14:04:14,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 14:04:14,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:04:15,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:15,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 562 states and 796 transitions. [2018-12-08 14:04:15,437 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 796 transitions. [2018-12-08 14:04:15,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 14:04:15,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:15,512 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:04:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:15,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 573 states and 809 transitions. [2018-12-08 14:04:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 809 transitions. [2018-12-08 14:04:15,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 14:04:15,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:16,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:16,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 596 states and 833 transitions. [2018-12-08 14:04:16,093 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 833 transitions. [2018-12-08 14:04:16,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 14:04:16,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:16,112 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:04:16,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:16,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 605 states and 844 transitions. [2018-12-08 14:04:16,336 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 844 transitions. [2018-12-08 14:04:16,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 14:04:16,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:16,355 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:04:16,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:16,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 612 states and 850 transitions. [2018-12-08 14:04:16,565 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 850 transitions. [2018-12-08 14:04:16,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 14:04:16,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:04:16,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:16,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 627 states and 864 transitions. [2018-12-08 14:04:16,780 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 864 transitions. [2018-12-08 14:04:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 14:04:16,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:16,800 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:04:18,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:18,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 668 states and 917 transitions. [2018-12-08 14:04:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 917 transitions. [2018-12-08 14:04:18,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 14:04:18,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:18,199 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:04:18,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:18,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 679 states and 928 transitions. [2018-12-08 14:04:18,532 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 928 transitions. [2018-12-08 14:04:18,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 14:04:18,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:18,555 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:04:18,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:18,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 680 states and 928 transitions. [2018-12-08 14:04:18,737 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 928 transitions. [2018-12-08 14:04:18,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 14:04:18,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:22,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:22,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 747 states and 996 transitions. [2018-12-08 14:04:22,295 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 996 transitions. [2018-12-08 14:04:22,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 14:04:22,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:22,323 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 14:04:24,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:24,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 773 states and 1024 transitions. [2018-12-08 14:04:24,239 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1024 transitions. [2018-12-08 14:04:24,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 14:04:24,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:24,270 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 14:04:24,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 791 states and 1048 transitions. [2018-12-08 14:04:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1048 transitions. [2018-12-08 14:04:24,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 14:04:24,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:24,596 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 14:04:24,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:24,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 799 states and 1055 transitions. [2018-12-08 14:04:24,718 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1055 transitions. [2018-12-08 14:04:24,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 14:04:24,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:24,744 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 14:04:24,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:24,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 801 states and 1057 transitions. [2018-12-08 14:04:24,913 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1057 transitions. [2018-12-08 14:04:24,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 14:04:24,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 14:04:25,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:25,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 816 states and 1071 transitions. [2018-12-08 14:04:25,144 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1071 transitions. [2018-12-08 14:04:25,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 14:04:25,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:25,176 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-08 14:04:27,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:27,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 883 states and 1148 transitions. [2018-12-08 14:04:27,660 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1148 transitions. [2018-12-08 14:04:27,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 14:04:27,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-08 14:04:27,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:27,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 890 states and 1154 transitions. [2018-12-08 14:04:27,761 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1154 transitions. [2018-12-08 14:04:27,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 14:04:27,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:27,783 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 14:04:28,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:28,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 910 states and 1176 transitions. [2018-12-08 14:04:28,034 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1176 transitions. [2018-12-08 14:04:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 14:04:28,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:28,056 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 14:04:28,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 913 states and 1180 transitions. [2018-12-08 14:04:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1180 transitions. [2018-12-08 14:04:28,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-08 14:04:28,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:28,433 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:29,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:29,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 966 states and 1235 transitions. [2018-12-08 14:04:29,815 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1235 transitions. [2018-12-08 14:04:29,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-08 14:04:29,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:30,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:30,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 984 states and 1251 transitions. [2018-12-08 14:04:30,306 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1251 transitions. [2018-12-08 14:04:30,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 14:04:30,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:04:31,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:31,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 996 states and 1267 transitions. [2018-12-08 14:04:31,138 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1267 transitions. [2018-12-08 14:04:31,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-08 14:04:31,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:31,160 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:04:32,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:32,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1011 states and 1287 transitions. [2018-12-08 14:04:32,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1287 transitions. [2018-12-08 14:04:32,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-08 14:04:32,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:32,229 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:04:32,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:32,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1022 states and 1300 transitions. [2018-12-08 14:04:32,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1300 transitions. [2018-12-08 14:04:32,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 14:04:32,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-08 14:04:33,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:33,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1042 states and 1328 transitions. [2018-12-08 14:04:33,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1328 transitions. [2018-12-08 14:04:33,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 14:04:33,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:33,700 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-08 14:04:33,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:33,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1050 states and 1335 transitions. [2018-12-08 14:04:33,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1335 transitions. [2018-12-08 14:04:33,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-08 14:04:33,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:33,872 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 14:04:35,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:35,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1088 states and 1371 transitions. [2018-12-08 14:04:35,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1371 transitions. [2018-12-08 14:04:35,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-08 14:04:35,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:35,036 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 14:04:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:35,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1095 states and 1380 transitions. [2018-12-08 14:04:35,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1380 transitions. [2018-12-08 14:04:35,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-08 14:04:35,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:35,455 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-08 14:04:35,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:35,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1102 states and 1387 transitions. [2018-12-08 14:04:35,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1387 transitions. [2018-12-08 14:04:35,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-08 14:04:35,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-08 14:04:35,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:35,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1104 states and 1389 transitions. [2018-12-08 14:04:35,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1389 transitions. [2018-12-08 14:04:35,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-08 14:04:35,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:04:38,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:38,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1146 states and 1442 transitions. [2018-12-08 14:04:38,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1442 transitions. [2018-12-08 14:04:38,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 14:04:38,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 161 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-08 14:04:40,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:40,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1170 states and 1472 transitions. [2018-12-08 14:04:40,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1472 transitions. [2018-12-08 14:04:40,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 14:04:40,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 161 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-08 14:04:41,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:41,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1182 states and 1485 transitions. [2018-12-08 14:04:41,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1485 transitions. [2018-12-08 14:04:41,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 14:04:41,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-08 14:04:41,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:41,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1184 states and 1487 transitions. [2018-12-08 14:04:41,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1487 transitions. [2018-12-08 14:04:41,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 14:04:41,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:42,530 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 14:04:44,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1236 states and 1541 transitions. [2018-12-08 14:04:44,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1541 transitions. [2018-12-08 14:04:44,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 14:04:44,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:44,868 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-08 14:04:45,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:45,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1257 states and 1564 transitions. [2018-12-08 14:04:45,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1564 transitions. [2018-12-08 14:04:45,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 14:04:45,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:45,644 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-08 14:04:45,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:45,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1261 states and 1571 transitions. [2018-12-08 14:04:45,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1571 transitions. [2018-12-08 14:04:45,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 14:04:45,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-08 14:04:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:46,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1262 states and 1574 transitions. [2018-12-08 14:04:46,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1574 transitions. [2018-12-08 14:04:46,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-08 14:04:46,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:46,210 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 14:04:46,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:46,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1268 states and 1581 transitions. [2018-12-08 14:04:46,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1581 transitions. [2018-12-08 14:04:46,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 14:04:46,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:46,702 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-08 14:04:46,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:46,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1270 states and 1584 transitions. [2018-12-08 14:04:46,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1584 transitions. [2018-12-08 14:04:46,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 14:04:46,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:46,871 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-08 14:04:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1285 states and 1599 transitions. [2018-12-08 14:04:47,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1599 transitions. [2018-12-08 14:04:47,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 14:04:47,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-08 14:04:47,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:47,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1297 states and 1612 transitions. [2018-12-08 14:04:47,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1612 transitions. [2018-12-08 14:04:47,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 14:04:47,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:47,762 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 14:04:49,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:49,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1317 states and 1634 transitions. [2018-12-08 14:04:49,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1634 transitions. [2018-12-08 14:04:49,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 14:04:49,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:49,128 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 14:04:49,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:49,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1323 states and 1642 transitions. [2018-12-08 14:04:49,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1642 transitions. [2018-12-08 14:04:49,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 14:04:49,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:49,676 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 14:04:50,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:50,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1325 states and 1644 transitions. [2018-12-08 14:04:50,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1644 transitions. [2018-12-08 14:04:50,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-08 14:04:50,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 242 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 14:04:50,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:50,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1333 states and 1658 transitions. [2018-12-08 14:04:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1658 transitions. [2018-12-08 14:04:50,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-08 14:04:50,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 14:04:56,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:56,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1388 states and 1720 transitions. [2018-12-08 14:04:56,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1720 transitions. [2018-12-08 14:04:56,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-08 14:04:56,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 14:04:58,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:58,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1409 states and 1740 transitions. [2018-12-08 14:04:58,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1740 transitions. [2018-12-08 14:04:58,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-08 14:04:58,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:58,066 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 14:04:59,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:59,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1432 states and 1765 transitions. [2018-12-08 14:04:59,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1765 transitions. [2018-12-08 14:04:59,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-08 14:04:59,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 14:04:59,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:59,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1436 states and 1769 transitions. [2018-12-08 14:04:59,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1769 transitions. [2018-12-08 14:04:59,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 14:04:59,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:59,772 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 14:05:00,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:00,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1440 states and 1774 transitions. [2018-12-08 14:05:00,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1774 transitions. [2018-12-08 14:05:00,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 14:05:00,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:00,348 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:05:02,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:02,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1464 states and 1804 transitions. [2018-12-08 14:05:02,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1804 transitions. [2018-12-08 14:05:02,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 14:05:02,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:05:04,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:04,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1484 states and 1828 transitions. [2018-12-08 14:05:04,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1828 transitions. [2018-12-08 14:05:04,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 14:05:04,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:04,273 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:05:04,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:04,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1495 states and 1838 transitions. [2018-12-08 14:05:04,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1838 transitions. [2018-12-08 14:05:04,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 14:05:04,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:04,635 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:05:04,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:04,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1496 states and 1838 transitions. [2018-12-08 14:05:04,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1838 transitions. [2018-12-08 14:05:04,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 14:05:04,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:05,032 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-08 14:05:05,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:05,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1509 states and 1855 transitions. [2018-12-08 14:05:05,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 1855 transitions. [2018-12-08 14:05:05,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 14:05:05,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-08 14:05:06,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:06,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1520 states and 1866 transitions. [2018-12-08 14:05:06,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 1866 transitions. [2018-12-08 14:05:06,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 14:05:06,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:06,525 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-08 14:05:07,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:07,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1531 states and 1876 transitions. [2018-12-08 14:05:07,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1876 transitions. [2018-12-08 14:05:07,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-08 14:05:07,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:07,303 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 14:05:08,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:08,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1547 states and 1892 transitions. [2018-12-08 14:05:08,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 1892 transitions. [2018-12-08 14:05:08,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-08 14:05:08,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:08,521 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-08 14:05:08,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:08,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1552 states and 1901 transitions. [2018-12-08 14:05:08,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1901 transitions. [2018-12-08 14:05:08,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-08 14:05:08,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:08,793 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-08 14:05:08,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:08,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1554 states and 1902 transitions. [2018-12-08 14:05:08,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1902 transitions. [2018-12-08 14:05:08,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-08 14:05:08,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-08 14:05:10,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:10,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1580 states and 1930 transitions. [2018-12-08 14:05:10,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 1930 transitions. [2018-12-08 14:05:10,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 14:05:10,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:12,297 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:05:17,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:17,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1604 states and 1960 transitions. [2018-12-08 14:05:17,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 1960 transitions. [2018-12-08 14:05:17,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 14:05:17,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:17,164 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:05:18,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:18,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1615 states and 1972 transitions. [2018-12-08 14:05:18,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 1972 transitions. [2018-12-08 14:05:18,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 14:05:18,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:18,880 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 14:05:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:19,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1619 states and 1979 transitions. [2018-12-08 14:05:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 1979 transitions. [2018-12-08 14:05:19,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 14:05:19,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:19,255 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-08 14:05:19,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:19,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1621 states and 1980 transitions. [2018-12-08 14:05:19,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 1980 transitions. [2018-12-08 14:05:19,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 14:05:19,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:19,649 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 14:05:20,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1632 states and 1995 transitions. [2018-12-08 14:05:20,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 1995 transitions. [2018-12-08 14:05:20,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-08 14:05:20,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:22,354 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 14:05:24,545 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-08 14:05:28,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:28,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 1647 states and 2014 transitions. [2018-12-08 14:05:28,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 2014 transitions. [2018-12-08 14:05:28,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-08 14:05:28,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:28,170 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 14:05:30,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:30,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 1685 states and 2054 transitions. [2018-12-08 14:05:30,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 2054 transitions. [2018-12-08 14:05:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-08 14:05:30,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:31,685 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 14:05:33,626 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-08 14:05:36,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:36,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 1689 states and 2061 transitions. [2018-12-08 14:05:36,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2061 transitions. [2018-12-08 14:05:36,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-08 14:05:36,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:36,377 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-08 14:05:36,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:36,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 1692 states and 2063 transitions. [2018-12-08 14:05:36,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2063 transitions. [2018-12-08 14:05:36,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 14:05:36,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:36,465 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-08 14:05:37,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:37,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 1762 states and 2136 transitions. [2018-12-08 14:05:37,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2136 transitions. [2018-12-08 14:05:37,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-08 14:05:37,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-12-08 14:05:40,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:40,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 1782 states and 2156 transitions. [2018-12-08 14:05:40,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2156 transitions. [2018-12-08 14:05:40,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-08 14:05:40,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:40,220 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-12-08 14:05:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1786 states and 2159 transitions. [2018-12-08 14:05:40,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2159 transitions. [2018-12-08 14:05:40,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-08 14:05:40,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:40,670 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 269 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-08 14:05:43,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:43,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 1830 states and 2210 transitions. [2018-12-08 14:05:43,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2210 transitions. [2018-12-08 14:05:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-08 14:05:43,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:43,320 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 269 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-08 14:05:44,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:44,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2237 states to 1854 states and 2237 transitions. [2018-12-08 14:05:44,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2237 transitions. [2018-12-08 14:05:44,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-08 14:05:44,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:45,005 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 269 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-08 14:05:45,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:45,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 1866 states and 2250 transitions. [2018-12-08 14:05:45,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2250 transitions. [2018-12-08 14:05:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-08 14:05:45,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:45,319 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 269 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-08 14:05:45,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 1867 states and 2251 transitions. [2018-12-08 14:05:45,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2251 transitions. [2018-12-08 14:05:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-08 14:05:45,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:45,761 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 269 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-08 14:05:45,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:45,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 1868 states and 2251 transitions. [2018-12-08 14:05:45,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2251 transitions. [2018-12-08 14:05:45,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 14:05:45,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-12-08 14:05:47,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 1879 states and 2261 transitions. [2018-12-08 14:05:47,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2261 transitions. [2018-12-08 14:05:47,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-08 14:05:47,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-08 14:05:49,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:49,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 1906 states and 2290 transitions. [2018-12-08 14:05:49,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2290 transitions. [2018-12-08 14:05:49,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-08 14:05:49,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:49,362 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-08 14:05:50,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:50,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 1915 states and 2302 transitions. [2018-12-08 14:05:50,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2302 transitions. [2018-12-08 14:05:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-08 14:05:50,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-08 14:05:50,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:50,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 1921 states and 2309 transitions. [2018-12-08 14:05:50,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2309 transitions. [2018-12-08 14:05:50,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-08 14:05:50,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:50,788 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-08 14:05:50,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:50,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 1923 states and 2310 transitions. [2018-12-08 14:05:50,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2310 transitions. [2018-12-08 14:05:50,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-08 14:05:50,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:51,054 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-08 14:05:51,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:51,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 1930 states and 2319 transitions. [2018-12-08 14:05:51,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 2319 transitions. [2018-12-08 14:05:51,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-08 14:05:51,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-08 14:05:52,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 1934 states and 2323 transitions. [2018-12-08 14:05:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2323 transitions. [2018-12-08 14:05:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 14:05:52,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-08 14:05:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 1947 states and 2344 transitions. [2018-12-08 14:05:53,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2344 transitions. [2018-12-08 14:05:53,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-08 14:05:53,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:54,940 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 356 proven. 39 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-08 14:06:00,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:00,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 1977 states and 2380 transitions. [2018-12-08 14:06:00,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2380 transitions. [2018-12-08 14:06:00,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-08 14:06:00,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:00,670 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-08 14:06:05,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:05,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2007 states and 2410 transitions. [2018-12-08 14:06:05,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2410 transitions. [2018-12-08 14:06:05,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-08 14:06:05,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:05,463 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-08 14:06:05,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:05,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 2026 states and 2428 transitions. [2018-12-08 14:06:05,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2428 transitions. [2018-12-08 14:06:05,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-08 14:06:05,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:05,781 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-12-08 14:06:08,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:08,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2110 states and 2517 transitions. [2018-12-08 14:06:08,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2517 transitions. [2018-12-08 14:06:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 14:06:08,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:08,393 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-08 14:06:10,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:10,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2129 states and 2546 transitions. [2018-12-08 14:06:10,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 2546 transitions. [2018-12-08 14:06:10,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 14:06:10,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:10,414 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-08 14:06:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:11,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2140 states and 2557 transitions. [2018-12-08 14:06:11,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2557 transitions. [2018-12-08 14:06:11,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 14:06:11,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:11,189 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-08 14:06:11,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2148 states and 2564 transitions. [2018-12-08 14:06:11,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 2564 transitions. [2018-12-08 14:06:11,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-08 14:06:11,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:11,807 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-08 14:06:17,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:17,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2191 states and 2605 transitions. [2018-12-08 14:06:17,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2605 transitions. [2018-12-08 14:06:17,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-08 14:06:17,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-08 14:06:18,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:18,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2195 states and 2609 transitions. [2018-12-08 14:06:18,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2609 transitions. [2018-12-08 14:06:18,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-08 14:06:18,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:18,470 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2018-12-08 14:06:18,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:18,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2205 states and 2619 transitions. [2018-12-08 14:06:18,526 INFO L276 IsEmpty]: Start isEmpty. Operand 2205 states and 2619 transitions. [2018-12-08 14:06:18,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 14:06:18,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 14:06:20,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:20,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 2225 states and 2639 transitions. [2018-12-08 14:06:20,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 2639 transitions. [2018-12-08 14:06:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-08 14:06:20,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:20,355 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-08 14:06:21,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:21,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2230 states and 2643 transitions. [2018-12-08 14:06:21,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2643 transitions. [2018-12-08 14:06:21,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-08 14:06:21,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:21,881 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 14:06:26,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:26,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2272 states and 2698 transitions. [2018-12-08 14:06:26,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2698 transitions. [2018-12-08 14:06:26,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-08 14:06:26,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:27,186 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 14:06:28,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:28,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2281 states and 2707 transitions. [2018-12-08 14:06:28,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 2707 transitions. [2018-12-08 14:06:28,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 14:06:28,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-08 14:06:29,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:29,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2289 states and 2718 transitions. [2018-12-08 14:06:29,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 2718 transitions. [2018-12-08 14:06:29,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-08 14:06:29,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:29,419 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 14:06:29,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:29,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2290 states and 2718 transitions. [2018-12-08 14:06:29,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 2718 transitions. [2018-12-08 14:06:29,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-08 14:06:29,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:29,747 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 14:06:32,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:32,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2317 states and 2747 transitions. [2018-12-08 14:06:32,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 2747 transitions. [2018-12-08 14:06:32,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-08 14:06:32,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:32,136 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 14:06:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:33,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2323 states and 2752 transitions. [2018-12-08 14:06:33,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 2752 transitions. [2018-12-08 14:06:33,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-12-08 14:06:33,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:33,674 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-12-08 14:06:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:37,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2364 states and 2793 transitions. [2018-12-08 14:06:37,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 2793 transitions. [2018-12-08 14:06:37,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-12-08 14:06:37,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 469 proven. 42 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-08 14:06:49,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:49,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2426 states and 2869 transitions. [2018-12-08 14:06:49,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 2869 transitions. [2018-12-08 14:06:49,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-08 14:06:49,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:49,900 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-12-08 14:06:51,343 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-08 14:06:52,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:52,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2431 states and 2874 transitions. [2018-12-08 14:06:52,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 2874 transitions. [2018-12-08 14:06:52,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-12-08 14:06:52,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 517 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2018-12-08 14:06:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:06:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 2436 states and 2878 transitions. [2018-12-08 14:06:52,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 2878 transitions. [2018-12-08 14:06:52,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-08 14:06:52,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:06:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:06:56,852 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-08 14:06:58,048 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-08 14:06:59,679 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 14:07:20,008 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-08 14:07:21,357 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-08 14:07:24,301 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-08 14:07:26,832 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-08 14:07:29,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:07:29,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3026 states to 2560 states and 3026 transitions. [2018-12-08 14:07:29,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 3026 transitions. [2018-12-08 14:07:29,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-08 14:07:29,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:07:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:07:29,491 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-12-08 14:07:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:07:32,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3061 states to 2585 states and 3061 transitions. [2018-12-08 14:07:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 3061 transitions. [2018-12-08 14:07:32,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-08 14:07:32,052 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:07:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:07:32,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-12-08 14:07:35,020 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-08 14:07:37,188 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-08 14:07:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:07:40,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2509 states and 2978 transitions. [2018-12-08 14:07:40,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 2978 transitions. [2018-12-08 14:07:40,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 14:07:40,248 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 150 iterations. [2018-12-08 14:07:40,254 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 14:07:40,364 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 29 [2018-12-08 14:07:40,601 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2018-12-08 14:07:40,801 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 34 [2018-12-08 14:07:40,938 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-12-08 14:07:41,068 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 26 [2018-12-08 14:07:41,302 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2018-12-08 14:07:41,454 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 36 [2018-12-08 14:07:41,630 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 26 [2018-12-08 14:07:41,743 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 33 [2018-12-08 14:07:41,919 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 36 [2018-12-08 14:07:42,123 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2018-12-08 14:07:42,303 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 36 [2018-12-08 14:07:42,493 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 31 [2018-12-08 14:07:42,703 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 36 [2018-12-08 14:07:42,915 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 34 [2018-12-08 14:07:43,028 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-12-08 14:07:43,540 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 29 [2018-12-08 14:07:43,934 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-12-08 14:07:44,150 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 36 [2018-12-08 14:07:44,467 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-12-08 14:07:44,581 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-12-08 14:07:44,795 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2018-12-08 14:07:44,939 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 26 [2018-12-08 14:07:45,260 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 29 [2018-12-08 14:07:45,389 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 29 [2018-12-08 14:07:45,590 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 36 [2018-12-08 14:07:45,935 WARN L180 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 55 [2018-12-08 14:07:46,361 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 34 [2018-12-08 14:07:46,507 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 34 [2018-12-08 14:07:46,615 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 34 [2018-12-08 14:07:46,724 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 33 [2018-12-08 14:07:46,907 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 36 [2018-12-08 14:07:46,907 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:07:46,909 INFO L583 CodeCheckObserver]: Invariant with dag size 26 [2018-12-08 14:07:46,914 INFO L583 CodeCheckObserver]: Invariant with dag size 26 [2018-12-08 14:07:46,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 02:07:46 ImpRootNode [2018-12-08 14:07:46,914 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 14:07:46,915 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:07:46,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:07:46,915 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:07:46,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:04:02" (3/4) ... [2018-12-08 14:07:46,919 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 14:07:46,932 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-08 14:07:46,932 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 14:07:46,933 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 14:07:47,013 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fed802e4-5806-4dfe-ace4-9b4e6457b2f8/bin-2019/ukojak/witness.graphml [2018-12-08 14:07:47,013 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:07:47,014 INFO L168 Benchmark]: Toolchain (without parser) took 226245.87 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 949.5 MB). Free memory was 945.2 MB in the beginning and 1.2 GB in the end (delta: -238.4 MB). Peak memory consumption was 711.0 MB. Max. memory is 11.5 GB. [2018-12-08 14:07:47,015 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:07:47,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. [2018-12-08 14:07:47,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:07:47,015 INFO L168 Benchmark]: Boogie Preprocessor took 30.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:07:47,016 INFO L168 Benchmark]: RCFGBuilder took 1047.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 875.3 MB in the end (delta: 199.3 MB). Peak memory consumption was 199.3 MB. Max. memory is 11.5 GB. [2018-12-08 14:07:47,016 INFO L168 Benchmark]: CodeCheck took 224736.59 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 841.5 MB). Free memory was 875.3 MB in the beginning and 1.2 GB in the end (delta: -328.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-08 14:07:47,016 INFO L168 Benchmark]: Witness Printer took 98.68 ms. Allocated memory is still 2.0 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-12-08 14:07:47,018 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, 198 locations, 1 error locations. SAFE Result, 218.0s OverallTime, 150 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 222594244 SDtfs, 1752458682 SDslu, 1335565442 SDs, 0 SdLazy, -1517580332 SolverSat, -1126932176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 534.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186899 GetRequests, 183179 SyntacticMatches, 2138 SemanticMatches, 1582 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1806346 ImplicationChecksByTransitivity, 195.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 22.2s InterpolantComputationTime, 27740 NumberOfCodeBlocks, 27740 NumberOfCodeBlocksAsserted, 149 NumberOfCheckSat, 27591 ConstructedInterpolants, 0 QuantifiedInterpolants, 20849916 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 149 InterpolantComputations, 132 PerfectInterpolantSequences, 33011/33481 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: 464]: 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: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a8 == 15 || !(a16 == 6)) || a17 == 1) || (((((!(a21 == 1) && a7 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a8 == 15 || !(a16 == 6)) || a17 == 1) || (((((!(a21 == 1) && a7 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 290.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1047.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 875.3 MB in the end (delta: 199.3 MB). Peak memory consumption was 199.3 MB. Max. memory is 11.5 GB. * CodeCheck took 224736.59 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 841.5 MB). Free memory was 875.3 MB in the beginning and 1.2 GB in the end (delta: -328.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 98.68 ms. Allocated memory is still 2.0 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...