./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label00.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_39eb1844-2897-4c28-a7cd-d071d230220f/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_39eb1844-2897-4c28-a7cd-d071d230220f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_39eb1844-2897-4c28-a7cd-d071d230220f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_39eb1844-2897-4c28-a7cd-d071d230220f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label00.c -s /tmp/vcloud-vcloud-master/worker/run_dir_39eb1844-2897-4c28-a7cd-d071d230220f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_39eb1844-2897-4c28-a7cd-d071d230220f/bin/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 e521cfa02db8c2eac8727300620f5ffec2ecc0c7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 03:24:30,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 03:24:30,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 03:24:30,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 03:24:30,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 03:24:30,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 03:24:30,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 03:24:30,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 03:24:30,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 03:24:30,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 03:24:30,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 03:24:30,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 03:24:30,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 03:24:30,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 03:24:30,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 03:24:30,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 03:24:30,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 03:24:30,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 03:24:30,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 03:24:30,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 03:24:30,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 03:24:30,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 03:24:30,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 03:24:30,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 03:24:30,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 03:24:30,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 03:24:30,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 03:24:30,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 03:24:30,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 03:24:30,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 03:24:30,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 03:24:30,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 03:24:30,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 03:24:30,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 03:24:30,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 03:24:30,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 03:24:30,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 03:24:30,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 03:24:30,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 03:24:30,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 03:24:30,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 03:24:30,236 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_39eb1844-2897-4c28-a7cd-d071d230220f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 03:24:30,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 03:24:30,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 03:24:30,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 03:24:30,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 03:24:30,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 03:24:30,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 03:24:30,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 03:24:30,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 03:24:30,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 03:24:30,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 03:24:30,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 03:24:30,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 03:24:30,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 03:24:30,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 03:24:30,249 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 03:24:30,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 03:24:30,249 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 03:24:30,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 03:24:30,250 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 03:24:30,250 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 03:24:30,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 03:24:30,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 03:24:30,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 03:24:30,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 03:24:30,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 03:24:30,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 03:24:30,251 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 03:24:30,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 03:24:30,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 03:24:30,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_39eb1844-2897-4c28-a7cd-d071d230220f/bin/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 -> e521cfa02db8c2eac8727300620f5ffec2ecc0c7 [2019-12-01 03:24:30,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 03:24:30,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 03:24:30,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 03:24:30,363 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 03:24:30,363 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 03:24:30,363 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_39eb1844-2897-4c28-a7cd-d071d230220f/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label00.c [2019-12-01 03:24:30,399 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39eb1844-2897-4c28-a7cd-d071d230220f/bin/ukojak/data/f8e0a0938/0ba8b32ccb1b4affad94c8f76c8e8708/FLAGd0da1b127 [2019-12-01 03:24:30,841 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 03:24:30,841 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_39eb1844-2897-4c28-a7cd-d071d230220f/sv-benchmarks/c/eca-rers2012/Problem02_label00.c [2019-12-01 03:24:30,849 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39eb1844-2897-4c28-a7cd-d071d230220f/bin/ukojak/data/f8e0a0938/0ba8b32ccb1b4affad94c8f76c8e8708/FLAGd0da1b127 [2019-12-01 03:24:30,858 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_39eb1844-2897-4c28-a7cd-d071d230220f/bin/ukojak/data/f8e0a0938/0ba8b32ccb1b4affad94c8f76c8e8708 [2019-12-01 03:24:30,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 03:24:30,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 03:24:30,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 03:24:30,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 03:24:30,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 03:24:30,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:24:30" (1/1) ... [2019-12-01 03:24:30,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374ca533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:30, skipping insertion in model container [2019-12-01 03:24:30,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:24:30" (1/1) ... [2019-12-01 03:24:30,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 03:24:30,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 03:24:31,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 03:24:31,139 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 03:24:31,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 03:24:31,202 INFO L208 MainTranslator]: Completed translation [2019-12-01 03:24:31,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:31 WrapperNode [2019-12-01 03:24:31,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 03:24:31,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 03:24:31,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 03:24:31,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 03:24:31,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:31" (1/1) ... [2019-12-01 03:24:31,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:31" (1/1) ... [2019-12-01 03:24:31,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 03:24:31,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 03:24:31,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 03:24:31,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 03:24:31,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:31" (1/1) ... [2019-12-01 03:24:31,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:31" (1/1) ... [2019-12-01 03:24:31,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:31" (1/1) ... [2019-12-01 03:24:31,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:31" (1/1) ... [2019-12-01 03:24:31,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:31" (1/1) ... [2019-12-01 03:24:31,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:31" (1/1) ... [2019-12-01 03:24:31,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:31" (1/1) ... [2019-12-01 03:24:31,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 03:24:31,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 03:24:31,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 03:24:31,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 03:24:31,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39eb1844-2897-4c28-a7cd-d071d230220f/bin/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 [2019-12-01 03:24:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 03:24:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 03:24:32,481 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 03:24:32,481 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 03:24:32,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:24:32 BoogieIcfgContainer [2019-12-01 03:24:32,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 03:24:32,482 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 03:24:32,482 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 03:24:32,489 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 03:24:32,489 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:24:32" (1/1) ... [2019-12-01 03:24:32,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 03:24:32,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:32,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2019-12-01 03:24:32,521 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2019-12-01 03:24:32,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 03:24:32,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:24:33,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:33,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 163 states and 242 transitions. [2019-12-01 03:24:33,059 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2019-12-01 03:24:33,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 03:24:33,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:24:33,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:33,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 242 states and 336 transitions. [2019-12-01 03:24:33,517 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 336 transitions. [2019-12-01 03:24:33,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-01 03:24:33,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:33,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:24:33,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:33,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 246 states and 341 transitions. [2019-12-01 03:24:33,679 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 341 transitions. [2019-12-01 03:24:33,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 03:24:33,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:33,718 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:24:33,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:33,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 255 states and 355 transitions. [2019-12-01 03:24:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 355 transitions. [2019-12-01 03:24:33,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-01 03:24:33,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:24:33,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:33,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 258 states and 358 transitions. [2019-12-01 03:24:33,870 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 358 transitions. [2019-12-01 03:24:33,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 03:24:33,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 03:24:34,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:34,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 262 states and 365 transitions. [2019-12-01 03:24:34,049 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 365 transitions. [2019-12-01 03:24:34,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-12-01 03:24:34,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:34,072 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 03:24:34,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:34,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 266 states and 370 transitions. [2019-12-01 03:24:34,211 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 370 transitions. [2019-12-01 03:24:34,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-12-01 03:24:34,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:34,256 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:24:34,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 283 states and 395 transitions. [2019-12-01 03:24:34,449 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 395 transitions. [2019-12-01 03:24:34,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 03:24:34,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:34,539 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:24:35,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:35,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 301 states and 420 transitions. [2019-12-01 03:24:35,074 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 420 transitions. [2019-12-01 03:24:35,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 03:24:35,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:35,126 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:24:35,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:35,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 304 states and 426 transitions. [2019-12-01 03:24:35,216 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 426 transitions. [2019-12-01 03:24:35,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 03:24:35,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:35,243 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:24:35,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:35,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 307 states and 429 transitions. [2019-12-01 03:24:35,339 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 429 transitions. [2019-12-01 03:24:35,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-01 03:24:35,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:35,408 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:24:35,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:35,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 330 states and 460 transitions. [2019-12-01 03:24:35,992 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 460 transitions. [2019-12-01 03:24:35,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-12-01 03:24:35,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 03:24:36,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:36,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 332 states and 462 transitions. [2019-12-01 03:24:36,065 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 462 transitions. [2019-12-01 03:24:36,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 03:24:36,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:36,158 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 03:24:36,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:36,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 411 states and 546 transitions. [2019-12-01 03:24:36,625 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 546 transitions. [2019-12-01 03:24:36,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-12-01 03:24:36,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:36,684 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 03:24:36,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:36,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 412 states and 550 transitions. [2019-12-01 03:24:36,889 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 550 transitions. [2019-12-01 03:24:36,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-12-01 03:24:36,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:36,916 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 03:24:37,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:37,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 415 states and 554 transitions. [2019-12-01 03:24:37,062 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 554 transitions. [2019-12-01 03:24:37,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-12-01 03:24:37,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:37,090 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 03:24:37,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:37,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 418 states and 558 transitions. [2019-12-01 03:24:37,236 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 558 transitions. [2019-12-01 03:24:37,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-12-01 03:24:37,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 03:24:37,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:37,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 421 states and 562 transitions. [2019-12-01 03:24:37,396 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 562 transitions. [2019-12-01 03:24:37,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-12-01 03:24:37,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:37,415 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 03:24:37,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:37,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 423 states and 564 transitions. [2019-12-01 03:24:37,493 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 564 transitions. [2019-12-01 03:24:37,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-12-01 03:24:37,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:37,519 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:24:37,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:37,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 427 states and 569 transitions. [2019-12-01 03:24:37,691 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 569 transitions. [2019-12-01 03:24:37,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-12-01 03:24:37,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:37,710 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 03:24:37,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:37,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 438 states and 583 transitions. [2019-12-01 03:24:37,975 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 583 transitions. [2019-12-01 03:24:37,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-12-01 03:24:37,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:38,004 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 03:24:38,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:38,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 447 states and 594 transitions. [2019-12-01 03:24:38,209 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 594 transitions. [2019-12-01 03:24:38,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-12-01 03:24:38,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 03:24:38,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:38,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 449 states and 595 transitions. [2019-12-01 03:24:38,358 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 595 transitions. [2019-12-01 03:24:38,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-12-01 03:24:38,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:38,469 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 03:24:38,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:38,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 459 states and 609 transitions. [2019-12-01 03:24:38,878 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 609 transitions. [2019-12-01 03:24:38,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-12-01 03:24:38,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:38,899 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 03:24:39,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:39,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 462 states and 613 transitions. [2019-12-01 03:24:39,022 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 613 transitions. [2019-12-01 03:24:39,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-12-01 03:24:39,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:39,049 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 03:24:39,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:39,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 464 states and 614 transitions. [2019-12-01 03:24:39,163 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 614 transitions. [2019-12-01 03:24:39,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-12-01 03:24:39,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 03:24:39,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:39,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 486 states and 643 transitions. [2019-12-01 03:24:39,989 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 643 transitions. [2019-12-01 03:24:39,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-01 03:24:39,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:40,340 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 03:24:42,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:42,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 526 states and 698 transitions. [2019-12-01 03:24:42,108 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 698 transitions. [2019-12-01 03:24:42,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-01 03:24:42,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:42,144 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 03:24:42,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 529 states and 701 transitions. [2019-12-01 03:24:42,357 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 701 transitions. [2019-12-01 03:24:42,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-12-01 03:24:42,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:42,376 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 03:24:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:42,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 530 states and 702 transitions. [2019-12-01 03:24:42,459 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 702 transitions. [2019-12-01 03:24:42,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-12-01 03:24:42,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:42,481 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 03:24:42,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:42,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 547 states and 721 transitions. [2019-12-01 03:24:42,546 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 721 transitions. [2019-12-01 03:24:42,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 03:24:42,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:42,574 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:24:42,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:42,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 551 states and 726 transitions. [2019-12-01 03:24:42,747 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 726 transitions. [2019-12-01 03:24:42,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-01 03:24:42,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:42,806 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 03:24:43,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:43,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 560 states and 736 transitions. [2019-12-01 03:24:43,067 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 736 transitions. [2019-12-01 03:24:43,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-01 03:24:43,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:43,094 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 03:24:43,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:43,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 562 states and 738 transitions. [2019-12-01 03:24:43,115 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 738 transitions. [2019-12-01 03:24:43,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 03:24:43,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 03:24:43,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:43,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 564 states and 740 transitions. [2019-12-01 03:24:43,175 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 740 transitions. [2019-12-01 03:24:43,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 03:24:43,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:43,402 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 58 proven. 8 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 03:24:44,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:44,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 614 states and 802 transitions. [2019-12-01 03:24:44,527 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 802 transitions. [2019-12-01 03:24:44,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-01 03:24:44,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:44,599 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 03:24:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:45,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 641 states and 830 transitions. [2019-12-01 03:24:45,483 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 830 transitions. [2019-12-01 03:24:45,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-01 03:24:45,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 03:24:45,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:45,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 644 states and 833 transitions. [2019-12-01 03:24:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 833 transitions. [2019-12-01 03:24:45,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-01 03:24:45,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:45,758 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 03:24:45,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:45,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 650 states and 838 transitions. [2019-12-01 03:24:45,867 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 838 transitions. [2019-12-01 03:24:45,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-12-01 03:24:45,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:45,896 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:24:45,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:45,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 666 states and 854 transitions. [2019-12-01 03:24:45,959 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 854 transitions. [2019-12-01 03:24:45,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 03:24:45,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:45,981 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 03:24:46,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:46,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 679 states and 867 transitions. [2019-12-01 03:24:46,029 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 867 transitions. [2019-12-01 03:24:46,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 03:24:46,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:46,080 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:24:46,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:46,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 714 states and 904 transitions. [2019-12-01 03:24:46,229 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 904 transitions. [2019-12-01 03:24:46,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 03:24:46,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-01 03:24:46,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:46,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 717 states and 906 transitions. [2019-12-01 03:24:46,344 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 906 transitions. [2019-12-01 03:24:46,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-12-01 03:24:46,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:46,418 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:24:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:47,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 747 states and 935 transitions. [2019-12-01 03:24:47,115 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 935 transitions. [2019-12-01 03:24:47,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-12-01 03:24:47,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:47,227 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 03:24:47,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 749 states and 937 transitions. [2019-12-01 03:24:47,442 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 937 transitions. [2019-12-01 03:24:47,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-12-01 03:24:47,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:47,570 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2019-12-01 03:24:49,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:49,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 887 states and 1084 transitions. [2019-12-01 03:24:49,409 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1084 transitions. [2019-12-01 03:24:49,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-12-01 03:24:49,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:49,461 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 03:24:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:49,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 888 states and 1085 transitions. [2019-12-01 03:24:49,492 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1085 transitions. [2019-12-01 03:24:49,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-12-01 03:24:49,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:49,568 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:24:49,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:49,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 890 states and 1087 transitions. [2019-12-01 03:24:49,624 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1087 transitions. [2019-12-01 03:24:49,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-12-01 03:24:49,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:24:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:50,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 909 states and 1109 transitions. [2019-12-01 03:24:50,968 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1109 transitions. [2019-12-01 03:24:50,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-01 03:24:50,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:24:51,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 910 states and 1110 transitions. [2019-12-01 03:24:51,070 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1110 transitions. [2019-12-01 03:24:51,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-12-01 03:24:51,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:51,112 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-12-01 03:24:51,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:51,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 916 states and 1115 transitions. [2019-12-01 03:24:51,242 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1115 transitions. [2019-12-01 03:24:51,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 03:24:51,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:51,346 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-12-01 03:24:51,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:51,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 921 states and 1122 transitions. [2019-12-01 03:24:51,661 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1122 transitions. [2019-12-01 03:24:51,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-01 03:24:51,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:51,830 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 03:24:54,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:24:54,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1024 states and 1231 transitions. [2019-12-01 03:24:54,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1231 transitions. [2019-12-01 03:24:54,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-12-01 03:24:54,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:24:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:24:55,198 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:00,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:00,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1074 states and 1286 transitions. [2019-12-01 03:25:00,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1286 transitions. [2019-12-01 03:25:00,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-12-01 03:25:00,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:00,886 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1077 states and 1290 transitions. [2019-12-01 03:25:01,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1290 transitions. [2019-12-01 03:25:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 03:25:01,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:01,521 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:07,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:07,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1145 states and 1374 transitions. [2019-12-01 03:25:07,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1374 transitions. [2019-12-01 03:25:07,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 03:25:07,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:07,278 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:07,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:07,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1148 states and 1377 transitions. [2019-12-01 03:25:07,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1377 transitions. [2019-12-01 03:25:07,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 03:25:07,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:07,658 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:07,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:07,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1151 states and 1380 transitions. [2019-12-01 03:25:07,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1380 transitions. [2019-12-01 03:25:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 03:25:07,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:08,037 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1163 states and 1397 transitions. [2019-12-01 03:25:11,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1397 transitions. [2019-12-01 03:25:11,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-12-01 03:25:11,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:12,158 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 177 proven. 9 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:14,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:14,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1182 states and 1423 transitions. [2019-12-01 03:25:14,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1423 transitions. [2019-12-01 03:25:14,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-12-01 03:25:14,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:14,761 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 177 proven. 9 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:15,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:15,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1185 states and 1426 transitions. [2019-12-01 03:25:15,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1426 transitions. [2019-12-01 03:25:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-12-01 03:25:15,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:15,135 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:15,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:15,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1189 states and 1431 transitions. [2019-12-01 03:25:15,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1431 transitions. [2019-12-01 03:25:15,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-12-01 03:25:15,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:15,318 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 03:25:16,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:16,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1192 states and 1436 transitions. [2019-12-01 03:25:16,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1436 transitions. [2019-12-01 03:25:16,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-12-01 03:25:16,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 03:25:16,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:16,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1193 states and 1436 transitions. [2019-12-01 03:25:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1436 transitions. [2019-12-01 03:25:16,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-12-01 03:25:16,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:16,313 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-12-01 03:25:16,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:16,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1205 states and 1448 transitions. [2019-12-01 03:25:16,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1448 transitions. [2019-12-01 03:25:16,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-12-01 03:25:16,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:17,032 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-12-01 03:25:17,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:17,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1222 states and 1465 transitions. [2019-12-01 03:25:17,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1465 transitions. [2019-12-01 03:25:17,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-12-01 03:25:17,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:17,443 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:19,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:19,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1259 states and 1508 transitions. [2019-12-01 03:25:19,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1508 transitions. [2019-12-01 03:25:19,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-12-01 03:25:19,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:19,238 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:21,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1296 states and 1548 transitions. [2019-12-01 03:25:21,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1548 transitions. [2019-12-01 03:25:21,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-12-01 03:25:21,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:22,057 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:22,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:22,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1308 states and 1559 transitions. [2019-12-01 03:25:22,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1559 transitions. [2019-12-01 03:25:22,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-12-01 03:25:22,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:23,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:23,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1320 states and 1570 transitions. [2019-12-01 03:25:23,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1570 transitions. [2019-12-01 03:25:23,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-12-01 03:25:23,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:23,400 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:25,100 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-12-01 03:25:28,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:28,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1363 states and 1614 transitions. [2019-12-01 03:25:28,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1614 transitions. [2019-12-01 03:25:28,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-12-01 03:25:28,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:28,253 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 03:25:28,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:28,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1366 states and 1617 transitions. [2019-12-01 03:25:28,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1617 transitions. [2019-12-01 03:25:28,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-12-01 03:25:28,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:28,607 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:32,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:32,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1391 states and 1643 transitions. [2019-12-01 03:25:32,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1643 transitions. [2019-12-01 03:25:32,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-12-01 03:25:32,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:32,545 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:34,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:34,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1398 states and 1649 transitions. [2019-12-01 03:25:34,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1649 transitions. [2019-12-01 03:25:34,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-12-01 03:25:34,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:34,730 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-12-01 03:25:34,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1399 states and 1650 transitions. [2019-12-01 03:25:34,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1650 transitions. [2019-12-01 03:25:34,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-12-01 03:25:34,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:34,940 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-12-01 03:25:35,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:35,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1403 states and 1654 transitions. [2019-12-01 03:25:35,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1654 transitions. [2019-12-01 03:25:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-12-01 03:25:35,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:35,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:35,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1404 states and 1657 transitions. [2019-12-01 03:25:35,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1657 transitions. [2019-12-01 03:25:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-12-01 03:25:35,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:35,807 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:36,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1407 states and 1661 transitions. [2019-12-01 03:25:36,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1661 transitions. [2019-12-01 03:25:36,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-12-01 03:25:36,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:36,234 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:36,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:36,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1410 states and 1665 transitions. [2019-12-01 03:25:36,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1665 transitions. [2019-12-01 03:25:36,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-12-01 03:25:36,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:36,617 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-12-01 03:25:36,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:36,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1416 states and 1670 transitions. [2019-12-01 03:25:36,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1670 transitions. [2019-12-01 03:25:36,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-12-01 03:25:36,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:36,993 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:25:39,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:39,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1489 states and 1756 transitions. [2019-12-01 03:25:39,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1756 transitions. [2019-12-01 03:25:39,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-12-01 03:25:39,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:39,234 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:25:39,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:39,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1492 states and 1761 transitions. [2019-12-01 03:25:39,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1761 transitions. [2019-12-01 03:25:39,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-12-01 03:25:39,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:25:40,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:40,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1501 states and 1771 transitions. [2019-12-01 03:25:40,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 1771 transitions. [2019-12-01 03:25:40,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-12-01 03:25:40,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:40,230 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:25:40,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:40,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1511 states and 1780 transitions. [2019-12-01 03:25:40,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 1780 transitions. [2019-12-01 03:25:40,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-12-01 03:25:40,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:40,796 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2019-12-01 03:25:41,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:41,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1513 states and 1784 transitions. [2019-12-01 03:25:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1784 transitions. [2019-12-01 03:25:41,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-12-01 03:25:41,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:41,256 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 03:25:41,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:41,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1525 states and 1795 transitions. [2019-12-01 03:25:41,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1795 transitions. [2019-12-01 03:25:41,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-12-01 03:25:41,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:41,743 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 03:25:42,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:42,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1526 states and 1796 transitions. [2019-12-01 03:25:42,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1796 transitions. [2019-12-01 03:25:42,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-12-01 03:25:42,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 03:25:42,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:42,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1529 states and 1799 transitions. [2019-12-01 03:25:42,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1799 transitions. [2019-12-01 03:25:42,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-12-01 03:25:42,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:42,410 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2019-12-01 03:25:42,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:42,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1533 states and 1803 transitions. [2019-12-01 03:25:42,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1803 transitions. [2019-12-01 03:25:42,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-12-01 03:25:42,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:43,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:43,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1564 states and 1839 transitions. [2019-12-01 03:25:43,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1839 transitions. [2019-12-01 03:25:43,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-12-01 03:25:43,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:43,371 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:47,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:47,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1598 states and 1875 transitions. [2019-12-01 03:25:47,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 1875 transitions. [2019-12-01 03:25:47,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-12-01 03:25:47,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:47,070 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 03:25:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:48,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1605 states and 1881 transitions. [2019-12-01 03:25:48,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1881 transitions. [2019-12-01 03:25:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-12-01 03:25:48,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:48,129 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-12-01 03:25:48,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:48,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1612 states and 1886 transitions. [2019-12-01 03:25:48,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 1886 transitions. [2019-12-01 03:25:48,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-12-01 03:25:48,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:48,872 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-01 03:25:51,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:51,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 1754 states and 2041 transitions. [2019-12-01 03:25:51,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2041 transitions. [2019-12-01 03:25:51,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-12-01 03:25:51,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:51,744 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 03:25:52,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 1791 states and 2081 transitions. [2019-12-01 03:25:52,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2081 transitions. [2019-12-01 03:25:52,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-12-01 03:25:52,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:52,841 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 03:25:53,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:53,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 1807 states and 2097 transitions. [2019-12-01 03:25:53,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2097 transitions. [2019-12-01 03:25:53,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-12-01 03:25:53,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:53,135 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-12-01 03:25:53,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:25:53,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 1808 states and 2097 transitions. [2019-12-01 03:25:53,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2097 transitions. [2019-12-01 03:25:53,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-12-01 03:25:53,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:25:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:25:54,501 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:26:06,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:06,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 1940 states and 2260 transitions. [2019-12-01 03:26:06,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 2260 transitions. [2019-12-01 03:26:06,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-12-01 03:26:06,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:07,033 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:26:11,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:11,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 1986 states and 2310 transitions. [2019-12-01 03:26:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2310 transitions. [2019-12-01 03:26:11,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-12-01 03:26:11,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:12,022 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:26:16,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:16,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2326 states to 2002 states and 2326 transitions. [2019-12-01 03:26:16,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 2326 transitions. [2019-12-01 03:26:16,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-12-01 03:26:16,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:26:17,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:17,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2011 states and 2334 transitions. [2019-12-01 03:26:17,718 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2334 transitions. [2019-12-01 03:26:17,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-12-01 03:26:17,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 250 proven. 28 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 03:26:22,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:22,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2063 states and 2402 transitions. [2019-12-01 03:26:22,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 2402 transitions. [2019-12-01 03:26:22,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-12-01 03:26:22,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 250 proven. 28 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 03:26:24,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:24,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2069 states and 2409 transitions. [2019-12-01 03:26:24,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2409 transitions. [2019-12-01 03:26:24,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-12-01 03:26:24,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-12-01 03:26:24,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:24,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2076 states and 2415 transitions. [2019-12-01 03:26:24,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2415 transitions. [2019-12-01 03:26:24,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-12-01 03:26:24,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:25,078 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-12-01 03:26:26,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:26,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2151 states and 2490 transitions. [2019-12-01 03:26:26,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 2490 transitions. [2019-12-01 03:26:26,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-12-01 03:26:26,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:26,403 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-12-01 03:26:26,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:26,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2172 states and 2510 transitions. [2019-12-01 03:26:26,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 2510 transitions. [2019-12-01 03:26:26,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-12-01 03:26:26,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:27,149 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 03:26:27,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:27,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2174 states and 2512 transitions. [2019-12-01 03:26:27,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 2512 transitions. [2019-12-01 03:26:27,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-12-01 03:26:27,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:27,941 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 03:26:29,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:29,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2178 states and 2518 transitions. [2019-12-01 03:26:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2518 transitions. [2019-12-01 03:26:29,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2019-12-01 03:26:29,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:29,955 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-12-01 03:26:34,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:34,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2198 states and 2545 transitions. [2019-12-01 03:26:34,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 2545 transitions. [2019-12-01 03:26:34,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2019-12-01 03:26:34,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:34,826 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-12-01 03:26:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:35,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2201 states and 2548 transitions. [2019-12-01 03:26:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 2548 transitions. [2019-12-01 03:26:35,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2019-12-01 03:26:35,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:35,362 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-12-01 03:26:35,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:35,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2204 states and 2551 transitions. [2019-12-01 03:26:35,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 2551 transitions. [2019-12-01 03:26:35,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-12-01 03:26:35,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:35,979 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 264 proven. 42 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 03:26:37,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:37,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2211 states and 2561 transitions. [2019-12-01 03:26:37,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2561 transitions. [2019-12-01 03:26:37,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-12-01 03:26:37,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:37,337 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 03:26:39,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:39,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2238 states and 2596 transitions. [2019-12-01 03:26:39,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2596 transitions. [2019-12-01 03:26:39,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-12-01 03:26:39,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 03:26:42,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:42,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2245 states and 2604 transitions. [2019-12-01 03:26:42,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2604 transitions. [2019-12-01 03:26:42,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-12-01 03:26:42,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:42,547 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 03:26:43,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:43,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2248 states and 2607 transitions. [2019-12-01 03:26:43,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2248 states and 2607 transitions. [2019-12-01 03:26:43,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-12-01 03:26:43,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 03:26:43,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:26:43,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2610 states to 2251 states and 2610 transitions. [2019-12-01 03:26:43,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 2610 transitions. [2019-12-01 03:26:43,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-12-01 03:26:43,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:26:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:26:43,999 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-12-01 03:26:46,530 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2019-12-01 03:27:00,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:00,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2516 states and 2922 transitions. [2019-12-01 03:27:00,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 2922 transitions. [2019-12-01 03:27:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-12-01 03:27:00,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-12-01 03:27:00,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:00,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2528 states and 2934 transitions. [2019-12-01 03:27:00,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 2934 transitions. [2019-12-01 03:27:00,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-12-01 03:27:00,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:00,866 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-12-01 03:27:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:01,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2936 states to 2531 states and 2936 transitions. [2019-12-01 03:27:01,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 2936 transitions. [2019-12-01 03:27:01,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-12-01 03:27:01,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:02,052 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-12-01 03:27:07,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:07,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 2604 states and 3019 transitions. [2019-12-01 03:27:07,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 3019 transitions. [2019-12-01 03:27:07,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-12-01 03:27:07,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:07,738 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-12-01 03:27:09,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:09,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 2629 states and 3047 transitions. [2019-12-01 03:27:09,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3047 transitions. [2019-12-01 03:27:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-12-01 03:27:09,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-12-01 03:27:12,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 2695 states and 3116 transitions. [2019-12-01 03:27:12,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3116 transitions. [2019-12-01 03:27:12,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-12-01 03:27:12,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-12-01 03:27:12,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:12,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 2716 states and 3136 transitions. [2019-12-01 03:27:12,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3136 transitions. [2019-12-01 03:27:12,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-12-01 03:27:12,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:13,284 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-12-01 03:27:15,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:15,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 2853 states and 3278 transitions. [2019-12-01 03:27:15,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2853 states and 3278 transitions. [2019-12-01 03:27:15,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-12-01 03:27:15,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:17,259 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 03:27:19,286 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-12-01 03:27:23,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:23,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 2882 states and 3315 transitions. [2019-12-01 03:27:23,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2882 states and 3315 transitions. [2019-12-01 03:27:23,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-12-01 03:27:23,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:23,447 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 03:27:26,691 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2019-12-01 03:27:30,376 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2019-12-01 03:27:32,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:32,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3333 states to 2899 states and 3333 transitions. [2019-12-01 03:27:32,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 3333 transitions. [2019-12-01 03:27:32,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-12-01 03:27:32,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:32,477 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 03:27:33,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3342 states to 2906 states and 3342 transitions. [2019-12-01 03:27:33,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 3342 transitions. [2019-12-01 03:27:33,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-12-01 03:27:33,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:33,998 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 03:27:35,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:35,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3355 states to 2915 states and 3355 transitions. [2019-12-01 03:27:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 3355 transitions. [2019-12-01 03:27:35,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-12-01 03:27:35,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 03:27:38,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:38,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 2924 states and 3364 transitions. [2019-12-01 03:27:38,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 3364 transitions. [2019-12-01 03:27:38,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-12-01 03:27:38,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:38,408 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 03:27:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:39,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 2929 states and 3369 transitions. [2019-12-01 03:27:39,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 3369 transitions. [2019-12-01 03:27:39,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2019-12-01 03:27:39,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2019-12-01 03:27:44,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:44,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 2991 states and 3435 transitions. [2019-12-01 03:27:44,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states and 3435 transitions. [2019-12-01 03:27:44,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2019-12-01 03:27:44,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:44,224 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2019-12-01 03:27:45,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:45,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3456 states to 3012 states and 3456 transitions. [2019-12-01 03:27:45,522 INFO L276 IsEmpty]: Start isEmpty. Operand 3012 states and 3456 transitions. [2019-12-01 03:27:45,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-12-01 03:27:45,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 12 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2019-12-01 03:27:46,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:27:46,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 3016 states and 3460 transitions. [2019-12-01 03:27:46,202 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 3460 transitions. [2019-12-01 03:27:46,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 03:27:46,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:27:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:27:47,464 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 73 proven. 402 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-12-01 03:27:49,449 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-12-01 03:28:02,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:28:02,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 3082 states and 3547 transitions. [2019-12-01 03:28:02,842 INFO L276 IsEmpty]: Start isEmpty. Operand 3082 states and 3547 transitions. [2019-12-01 03:28:02,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 03:28:02,843 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 135 iterations. [2019-12-01 03:28:02,850 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 03:28:03,001 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 23 [2019-12-01 03:28:03,131 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 23 [2019-12-01 03:28:03,344 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 23 [2019-12-01 03:28:03,543 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 23 [2019-12-01 03:28:03,692 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 23 [2019-12-01 03:28:03,894 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2019-12-01 03:28:04,077 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2019-12-01 03:28:04,222 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 23 [2019-12-01 03:28:04,366 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 23 [2019-12-01 03:28:04,538 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2019-12-01 03:28:04,712 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 23 [2019-12-01 03:28:04,813 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 23 [2019-12-01 03:28:04,914 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 23 [2019-12-01 03:28:05,026 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 23 [2019-12-01 03:28:05,157 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 23 [2019-12-01 03:28:05,294 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 23 [2019-12-01 03:28:05,428 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 23 [2019-12-01 03:28:05,713 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 23 [2019-12-01 03:28:05,884 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 23 [2019-12-01 03:28:06,004 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 23 [2019-12-01 03:28:06,117 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2019-12-01 03:28:06,404 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 23 [2019-12-01 03:28:06,505 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 23 [2019-12-01 03:28:06,632 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 23 [2019-12-01 03:28:06,734 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 23 [2019-12-01 03:28:06,887 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 23 [2019-12-01 03:28:07,009 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 23 [2019-12-01 03:28:07,168 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 23 [2019-12-01 03:28:07,275 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 23 [2019-12-01 03:28:07,410 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 23 [2019-12-01 03:28:07,524 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2019-12-01 03:28:07,627 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 23 [2019-12-01 03:28:07,769 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 23 [2019-12-01 03:28:07,872 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 23 [2019-12-01 03:28:08,082 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 24 [2019-12-01 03:28:08,283 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 23 [2019-12-01 03:28:08,391 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 23 [2019-12-01 03:28:08,567 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 23 [2019-12-01 03:28:08,709 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 23 [2019-12-01 03:28:08,929 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 23 [2019-12-01 03:28:09,139 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 23 [2019-12-01 03:28:09,252 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2019-12-01 03:28:09,590 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 23 [2019-12-01 03:28:09,733 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 23 [2019-12-01 03:28:09,872 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 23 [2019-12-01 03:28:10,108 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 23 [2019-12-01 03:28:10,242 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 23 [2019-12-01 03:28:10,442 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 23 [2019-12-01 03:28:10,578 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 23 [2019-12-01 03:28:10,720 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 23 [2019-12-01 03:28:11,013 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 23 [2019-12-01 03:28:11,199 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 23 [2019-12-01 03:28:11,346 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 23 [2019-12-01 03:28:11,486 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 23 [2019-12-01 03:28:11,587 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 23 [2019-12-01 03:28:11,697 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 24 [2019-12-01 03:28:11,799 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 23 [2019-12-01 03:28:12,012 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2019-12-01 03:28:12,012 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 03:28:12,015 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2019-12-01 03:28:12,021 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2019-12-01 03:28:12,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:28:12 ImpRootNode [2019-12-01 03:28:12,022 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 03:28:12,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 03:28:12,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 03:28:12,022 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 03:28:12,023 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:24:32" (3/4) ... [2019-12-01 03:28:12,025 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 03:28:12,039 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2019-12-01 03:28:12,040 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2019-12-01 03:28:12,041 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-01 03:28:12,042 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 03:28:12,134 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_39eb1844-2897-4c28-a7cd-d071d230220f/bin/ukojak/witness.graphml [2019-12-01 03:28:12,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 03:28:12,136 INFO L168 Benchmark]: Toolchain (without parser) took 221274.63 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 490.2 MB). Free memory was 939.4 MB in the beginning and 1.2 GB in the end (delta: -247.6 MB). Peak memory consumption was 242.6 MB. Max. memory is 11.5 GB. [2019-12-01 03:28:12,136 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 03:28:12,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -139.0 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-12-01 03:28:12,136 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 03:28:12,137 INFO L168 Benchmark]: Boogie Preprocessor took 40.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 03:28:12,137 INFO L168 Benchmark]: RCFGBuilder took 1187.06 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: -24.9 MB). Peak memory consumption was 237.9 MB. Max. memory is 11.5 GB. [2019-12-01 03:28:12,137 INFO L168 Benchmark]: CodeCheck took 219539.73 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 384.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -111.4 MB). Peak memory consumption was 955.7 MB. Max. memory is 11.5 GB. [2019-12-01 03:28:12,138 INFO L168 Benchmark]: Witness Printer took 112.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-01 03:28:12,139 INFO L335 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, 85 locations, 1 error locations. Result: SAFE, OverallTime: 210.3s, OverallIterations: 135, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 108613716 SDtfs, -571874954 SDslu, 1027858972 SDs, 0 SdLazy, 2044888272 SolverSat, -1389194070 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 560.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183384 GetRequests, 178382 SyntacticMatches, 3676 SemanticMatches, 1326 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1308237 ImplicationChecksByTransitivity, 182.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 27736 NumberOfCodeBlocks, 27736 NumberOfCodeBlocksAsserted, 134 NumberOfCheckSat, 27602 ConstructedInterpolants, 0 QuantifiedInterpolants, 26555153 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 134 InterpolantComputations, 99 PerfectInterpolantSequences, 28291/30036 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 517]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((!(a19 == 1) || !(a28 == 7)) || (!(a17 == 7) && a21 == 1)) || a17 == 8) || a25 == 1) || !(a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((!(a19 == 1) || !(a28 == 7)) || (!(a17 == 7) && a21 == 1)) || a17 == 8) || a25 == 1) || !(a11 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 341.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -139.0 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1187.06 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: -24.9 MB). Peak memory consumption was 237.9 MB. Max. memory is 11.5 GB. * CodeCheck took 219539.73 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 384.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -111.4 MB). Peak memory consumption was 955.7 MB. Max. memory is 11.5 GB. * Witness Printer took 112.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...