./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label49_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c642296e-176e-41ce-bda5-c4b325406dca/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c642296e-176e-41ce-bda5-c4b325406dca/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c642296e-176e-41ce-bda5-c4b325406dca/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c642296e-176e-41ce-bda5-c4b325406dca/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label49_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c642296e-176e-41ce-bda5-c4b325406dca/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c642296e-176e-41ce-bda5-c4b325406dca/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 083cea80584760e424718c2c8c78f2ce2da05adc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 16:37:41,369 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:37:41,370 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:37:41,376 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:37:41,376 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:37:41,377 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:37:41,377 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:37:41,378 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:37:41,379 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:37:41,380 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:37:41,380 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:37:41,380 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:37:41,381 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:37:41,381 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:37:41,382 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:37:41,382 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:37:41,383 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:37:41,383 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:37:41,384 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:37:41,385 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:37:41,386 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:37:41,386 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:37:41,387 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:37:41,387 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:37:41,387 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:37:41,388 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:37:41,388 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:37:41,389 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:37:41,389 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:37:41,390 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:37:41,390 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:37:41,390 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:37:41,390 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:37:41,390 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:37:41,391 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:37:41,391 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:37:41,391 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c642296e-176e-41ce-bda5-c4b325406dca/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 16:37:41,398 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:37:41,399 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:37:41,399 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 16:37:41,399 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 16:37:41,399 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:37:41,400 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:37:41,400 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:37:41,400 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 16:37:41,400 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 16:37:41,400 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 16:37:41,400 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:37:41,400 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 16:37:41,400 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 16:37:41,400 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 16:37:41,400 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 16:37:41,400 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:37:41,400 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:37:41,401 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 16:37:41,401 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 16:37:41,401 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 16:37:41,401 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:37:41,401 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 16:37:41,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 16:37:41,401 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:37:41,401 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 16:37:41,401 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 16:37:41,401 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 16:37:41,401 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 16:37:41,402 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 16:37:41,402 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c642296e-176e-41ce-bda5-c4b325406dca/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 083cea80584760e424718c2c8c78f2ce2da05adc [2018-12-01 16:37:41,420 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:37:41,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:37:41,431 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:37:41,432 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:37:41,433 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:37:41,433 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c642296e-176e-41ce-bda5-c4b325406dca/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label49_true-unreach-call_false-termination.c [2018-12-01 16:37:41,469 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c642296e-176e-41ce-bda5-c4b325406dca/bin-2019/ukojak/data/3fd9119c9/1b04e962ce724722bb2e518d4516f660/FLAGad696a1dd [2018-12-01 16:37:41,792 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:37:41,792 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c642296e-176e-41ce-bda5-c4b325406dca/sv-benchmarks/c/eca-rers2012/Problem01_label49_true-unreach-call_false-termination.c [2018-12-01 16:37:41,799 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c642296e-176e-41ce-bda5-c4b325406dca/bin-2019/ukojak/data/3fd9119c9/1b04e962ce724722bb2e518d4516f660/FLAGad696a1dd [2018-12-01 16:37:41,807 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c642296e-176e-41ce-bda5-c4b325406dca/bin-2019/ukojak/data/3fd9119c9/1b04e962ce724722bb2e518d4516f660 [2018-12-01 16:37:41,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:37:41,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:37:41,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:37:41,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:37:41,813 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:37:41,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:37:41" (1/1) ... [2018-12-01 16:37:41,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:41, skipping insertion in model container [2018-12-01 16:37:41,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:37:41" (1/1) ... [2018-12-01 16:37:41,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:37:41,844 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:37:42,024 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:37:42,027 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:37:42,106 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:37:42,116 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:37:42,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:42 WrapperNode [2018-12-01 16:37:42,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:37:42,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:37:42,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:37:42,117 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:37:42,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:42" (1/1) ... [2018-12-01 16:37:42,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:42" (1/1) ... [2018-12-01 16:37:42,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:37:42,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:37:42,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:37:42,158 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:37:42,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:42" (1/1) ... [2018-12-01 16:37:42,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:42" (1/1) ... [2018-12-01 16:37:42,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:42" (1/1) ... [2018-12-01 16:37:42,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:42" (1/1) ... [2018-12-01 16:37:42,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:42" (1/1) ... [2018-12-01 16:37:42,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:42" (1/1) ... [2018-12-01 16:37:42,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:42" (1/1) ... [2018-12-01 16:37:42,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:37:42,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:37:42,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:37:42,198 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:37:42,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c642296e-176e-41ce-bda5-c4b325406dca/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 16:37:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:37:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:37:43,147 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:37:43,147 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 16:37:43,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:37:43 BoogieIcfgContainer [2018-12-01 16:37:43,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:37:43,148 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 16:37:43,148 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 16:37:43,157 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 16:37:43,157 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:37:43" (1/1) ... [2018-12-01 16:37:43,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:37:43,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:43,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-01 16:37:43,201 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-01 16:37:43,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 16:37:43,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:43,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:43,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:43,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-12-01 16:37:43,689 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-12-01 16:37:43,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 16:37:43,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:43,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:44,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:44,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 215 states and 313 transitions. [2018-12-01 16:37:44,191 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 313 transitions. [2018-12-01 16:37:44,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 16:37:44,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:44,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:44,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 220 states and 323 transitions. [2018-12-01 16:37:44,329 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 323 transitions. [2018-12-01 16:37:44,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 16:37:44,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:44,401 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:44,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:44,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 289 states and 395 transitions. [2018-12-01 16:37:44,870 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 395 transitions. [2018-12-01 16:37:44,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 16:37:44,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:44,892 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:44,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:44,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 292 states and 399 transitions. [2018-12-01 16:37:44,913 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 399 transitions. [2018-12-01 16:37:44,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 16:37:44,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:44,947 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 303 states and 415 transitions. [2018-12-01 16:37:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 415 transitions. [2018-12-01 16:37:45,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 16:37:45,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:45,169 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:45,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:45,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 304 states and 417 transitions. [2018-12-01 16:37:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 417 transitions. [2018-12-01 16:37:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 16:37:45,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:45,316 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:45,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:45,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 316 states and 434 transitions. [2018-12-01 16:37:45,595 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 434 transitions. [2018-12-01 16:37:45,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 16:37:45,595 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:46,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 330 states and 454 transitions. [2018-12-01 16:37:46,037 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 454 transitions. [2018-12-01 16:37:46,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-01 16:37:46,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:46,057 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:37:46,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:46,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 331 states and 456 transitions. [2018-12-01 16:37:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 456 transitions. [2018-12-01 16:37:46,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 16:37:46,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:46,158 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:37:46,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:46,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 332 states and 458 transitions. [2018-12-01 16:37:46,245 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 458 transitions. [2018-12-01 16:37:46,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 16:37:46,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:46,285 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:46,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:46,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 343 states and 470 transitions. [2018-12-01 16:37:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 470 transitions. [2018-12-01 16:37:46,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 16:37:46,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:46,617 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:37:46,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:46,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 356 states and 486 transitions. [2018-12-01 16:37:46,836 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 486 transitions. [2018-12-01 16:37:46,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-01 16:37:46,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:46,849 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:47,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:47,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 374 states and 509 transitions. [2018-12-01 16:37:47,243 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 509 transitions. [2018-12-01 16:37:47,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 16:37:47,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:47,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:47,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 384 states and 521 transitions. [2018-12-01 16:37:47,406 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 521 transitions. [2018-12-01 16:37:47,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 16:37:47,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:47,423 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:47,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:47,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 385 states and 522 transitions. [2018-12-01 16:37:47,434 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 522 transitions. [2018-12-01 16:37:47,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 16:37:47,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:47,447 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:37:47,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:47,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 392 states and 530 transitions. [2018-12-01 16:37:47,549 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 530 transitions. [2018-12-01 16:37:47,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 16:37:47,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:47,568 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:37:47,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:47,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 394 states and 531 transitions. [2018-12-01 16:37:47,642 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 531 transitions. [2018-12-01 16:37:47,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-01 16:37:47,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:47,689 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:47,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 409 states and 550 transitions. [2018-12-01 16:37:47,998 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 550 transitions. [2018-12-01 16:37:47,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 16:37:47,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:48,042 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 16:37:48,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:48,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 422 states and 568 transitions. [2018-12-01 16:37:48,225 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 568 transitions. [2018-12-01 16:37:48,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 16:37:48,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:48,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:48,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 423 states and 570 transitions. [2018-12-01 16:37:48,250 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 570 transitions. [2018-12-01 16:37:48,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 16:37:48,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:48,310 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:48,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:48,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 431 states and 579 transitions. [2018-12-01 16:37:48,461 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 579 transitions. [2018-12-01 16:37:48,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 16:37:48,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:48,476 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:48,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:48,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 432 states and 581 transitions. [2018-12-01 16:37:48,486 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 581 transitions. [2018-12-01 16:37:48,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 16:37:48,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:48,512 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:37:48,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:48,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 449 states and 599 transitions. [2018-12-01 16:37:48,827 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 599 transitions. [2018-12-01 16:37:48,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 16:37:48,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:48,839 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:37:48,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:48,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 450 states and 601 transitions. [2018-12-01 16:37:48,955 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 601 transitions. [2018-12-01 16:37:48,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 16:37:48,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:48,969 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:37:48,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 451 states and 603 transitions. [2018-12-01 16:37:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 603 transitions. [2018-12-01 16:37:48,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 16:37:48,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:48,995 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:37:49,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:49,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 453 states and 605 transitions. [2018-12-01 16:37:49,006 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 605 transitions. [2018-12-01 16:37:49,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 16:37:49,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:49,020 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 16:37:49,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:49,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 454 states and 606 transitions. [2018-12-01 16:37:49,118 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 606 transitions. [2018-12-01 16:37:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 16:37:49,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:49,143 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:49,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:49,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 471 states and 625 transitions. [2018-12-01 16:37:49,501 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 625 transitions. [2018-12-01 16:37:49,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 16:37:49,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:49,518 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:49,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:49,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 482 states and 635 transitions. [2018-12-01 16:37:49,768 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 635 transitions. [2018-12-01 16:37:49,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 16:37:49,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 16:37:49,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:49,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 487 states and 640 transitions. [2018-12-01 16:37:49,805 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 640 transitions. [2018-12-01 16:37:49,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 16:37:49,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:49,905 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:50,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:50,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 496 states and 649 transitions. [2018-12-01 16:37:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 649 transitions. [2018-12-01 16:37:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 16:37:50,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:50,211 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:50,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:50,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 566 states and 730 transitions. [2018-12-01 16:37:50,726 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 730 transitions. [2018-12-01 16:37:50,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-01 16:37:50,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 16:37:50,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:50,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 571 states and 735 transitions. [2018-12-01 16:37:50,784 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 735 transitions. [2018-12-01 16:37:50,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 16:37:50,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:50,800 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:37:50,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:50,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 579 states and 743 transitions. [2018-12-01 16:37:50,826 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 743 transitions. [2018-12-01 16:37:50,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 16:37:50,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:50,845 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:37:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:50,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 589 states and 753 transitions. [2018-12-01 16:37:50,875 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 753 transitions. [2018-12-01 16:37:50,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 16:37:50,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:50,891 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:37:50,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:50,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 590 states and 754 transitions. [2018-12-01 16:37:50,906 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 754 transitions. [2018-12-01 16:37:50,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 16:37:50,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:50,921 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:51,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 599 states and 767 transitions. [2018-12-01 16:37:51,248 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 767 transitions. [2018-12-01 16:37:51,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 16:37:51,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:51,303 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:51,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:51,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 607 states and 778 transitions. [2018-12-01 16:37:51,634 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 778 transitions. [2018-12-01 16:37:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 16:37:51,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:51,656 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:51,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:51,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 610 states and 783 transitions. [2018-12-01 16:37:51,756 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 783 transitions. [2018-12-01 16:37:51,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-01 16:37:51,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:51,773 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:51,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 633 states and 810 transitions. [2018-12-01 16:37:51,850 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 810 transitions. [2018-12-01 16:37:51,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 16:37:51,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:52,074 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 16:37:52,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:52,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 642 states and 831 transitions. [2018-12-01 16:37:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 831 transitions. [2018-12-01 16:37:52,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-01 16:37:52,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:52,877 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:52,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:52,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 643 states and 832 transitions. [2018-12-01 16:37:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 832 transitions. [2018-12-01 16:37:52,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-01 16:37:52,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:52,916 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:53,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 645 states and 834 transitions. [2018-12-01 16:37:53,086 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 834 transitions. [2018-12-01 16:37:53,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 16:37:53,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:53,114 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:53,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:53,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 648 states and 837 transitions. [2018-12-01 16:37:53,136 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 837 transitions. [2018-12-01 16:37:53,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 16:37:53,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:53,727 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:55,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:55,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 704 states and 899 transitions. [2018-12-01 16:37:55,422 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 899 transitions. [2018-12-01 16:37:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 16:37:55,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 16:37:55,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:55,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 717 states and 918 transitions. [2018-12-01 16:37:55,871 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 918 transitions. [2018-12-01 16:37:55,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 16:37:55,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:55,898 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 16:37:56,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 719 states and 919 transitions. [2018-12-01 16:37:56,095 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 919 transitions. [2018-12-01 16:37:56,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-01 16:37:56,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 16:37:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:56,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 721 states and 921 transitions. [2018-12-01 16:37:56,164 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 921 transitions. [2018-12-01 16:37:56,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 16:37:56,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:56,182 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:37:56,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:56,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 724 states and 925 transitions. [2018-12-01 16:37:56,201 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 925 transitions. [2018-12-01 16:37:56,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 16:37:56,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:56,219 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:37:56,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:56,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 746 states and 946 transitions. [2018-12-01 16:37:56,890 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 946 transitions. [2018-12-01 16:37:56,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 16:37:56,891 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:56,910 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:37:56,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 777 states and 977 transitions. [2018-12-01 16:37:56,996 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 977 transitions. [2018-12-01 16:37:56,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-01 16:37:56,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:57,015 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 16:37:57,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:57,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 778 states and 978 transitions. [2018-12-01 16:37:57,028 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 978 transitions. [2018-12-01 16:37:57,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-01 16:37:57,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 16:37:57,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:57,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 791 states and 991 transitions. [2018-12-01 16:37:57,093 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 991 transitions. [2018-12-01 16:37:57,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 16:37:57,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:37:57,644 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 16:37:59,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:37:59,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 856 states and 1059 transitions. [2018-12-01 16:37:59,876 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1059 transitions. [2018-12-01 16:37:59,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 16:37:59,877 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:37:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:00,630 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:38:05,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:05,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 879 states and 1093 transitions. [2018-12-01 16:38:05,148 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1093 transitions. [2018-12-01 16:38:05,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 16:38:05,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:05,732 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:38:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:09,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 897 states and 1121 transitions. [2018-12-01 16:38:09,217 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1121 transitions. [2018-12-01 16:38:09,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 16:38:09,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:09,264 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:38:09,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:09,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 899 states and 1122 transitions. [2018-12-01 16:38:09,493 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1122 transitions. [2018-12-01 16:38:09,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 16:38:09,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:09,537 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:38:10,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:10,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 910 states and 1131 transitions. [2018-12-01 16:38:10,006 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1131 transitions. [2018-12-01 16:38:10,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 16:38:10,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:10,055 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:38:11,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:11,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 930 states and 1164 transitions. [2018-12-01 16:38:11,513 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1164 transitions. [2018-12-01 16:38:11,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 16:38:11,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 16:38:12,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:12,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 999 states and 1234 transitions. [2018-12-01 16:38:12,393 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1234 transitions. [2018-12-01 16:38:12,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 16:38:12,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:12,412 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 16:38:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1003 states and 1244 transitions. [2018-12-01 16:38:12,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1244 transitions. [2018-12-01 16:38:12,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 16:38:12,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:12,810 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-01 16:38:13,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:13,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1009 states and 1252 transitions. [2018-12-01 16:38:13,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1252 transitions. [2018-12-01 16:38:13,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 16:38:13,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:13,344 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 16:38:13,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:13,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1020 states and 1266 transitions. [2018-12-01 16:38:13,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1266 transitions. [2018-12-01 16:38:13,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 16:38:13,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 16:38:13,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1021 states and 1266 transitions. [2018-12-01 16:38:13,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1266 transitions. [2018-12-01 16:38:13,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-01 16:38:13,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:14,001 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 117 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 16:38:14,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:14,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1028 states and 1274 transitions. [2018-12-01 16:38:14,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1274 transitions. [2018-12-01 16:38:14,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-01 16:38:14,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:14,822 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 117 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 16:38:15,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:15,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1029 states and 1278 transitions. [2018-12-01 16:38:15,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1278 transitions. [2018-12-01 16:38:15,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-01 16:38:15,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:15,141 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 112 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 16:38:15,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:15,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1037 states and 1295 transitions. [2018-12-01 16:38:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1295 transitions. [2018-12-01 16:38:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 16:38:15,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:38:18,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:18,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1038 states and 1297 transitions. [2018-12-01 16:38:18,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1297 transitions. [2018-12-01 16:38:18,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 16:38:18,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:18,324 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:38:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:20,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1082 states and 1348 transitions. [2018-12-01 16:38:20,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1348 transitions. [2018-12-01 16:38:20,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 16:38:20,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:20,763 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:38:21,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:21,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1091 states and 1357 transitions. [2018-12-01 16:38:21,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1357 transitions. [2018-12-01 16:38:21,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:38:21,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:21,672 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 16:38:21,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:21,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1094 states and 1360 transitions. [2018-12-01 16:38:21,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1360 transitions. [2018-12-01 16:38:21,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 16:38:21,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:21,812 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 16:38:22,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:22,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1095 states and 1362 transitions. [2018-12-01 16:38:22,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1362 transitions. [2018-12-01 16:38:22,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-01 16:38:22,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 119 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 16:38:22,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:22,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1099 states and 1366 transitions. [2018-12-01 16:38:22,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1366 transitions. [2018-12-01 16:38:22,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 16:38:22,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-01 16:38:26,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1148 states and 1431 transitions. [2018-12-01 16:38:26,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1431 transitions. [2018-12-01 16:38:26,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 16:38:26,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:26,117 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-01 16:38:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:26,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1149 states and 1435 transitions. [2018-12-01 16:38:26,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1435 transitions. [2018-12-01 16:38:26,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 16:38:26,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:27,544 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-01 16:38:28,286 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-01 16:38:29,363 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2018-12-01 16:38:30,106 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:38:33,544 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-01 16:38:35,450 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2018-12-01 16:38:37,555 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2018-12-01 16:38:39,111 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-01 16:38:41,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1222 states and 1513 transitions. [2018-12-01 16:38:41,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1513 transitions. [2018-12-01 16:38:41,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 16:38:41,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:41,692 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:38:42,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:42,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1223 states and 1514 transitions. [2018-12-01 16:38:42,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1514 transitions. [2018-12-01 16:38:42,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 16:38:42,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:42,193 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:38:42,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:42,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1226 states and 1515 transitions. [2018-12-01 16:38:42,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1515 transitions. [2018-12-01 16:38:42,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 16:38:42,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:38:43,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:43,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1227 states and 1517 transitions. [2018-12-01 16:38:43,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1517 transitions. [2018-12-01 16:38:43,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-01 16:38:43,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:38:44,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:44,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1243 states and 1544 transitions. [2018-12-01 16:38:44,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1544 transitions. [2018-12-01 16:38:44,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-01 16:38:44,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:38:44,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:44,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1247 states and 1555 transitions. [2018-12-01 16:38:44,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1555 transitions. [2018-12-01 16:38:44,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-01 16:38:44,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:44,881 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:38:45,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:45,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1248 states and 1556 transitions. [2018-12-01 16:38:45,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1556 transitions. [2018-12-01 16:38:45,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-01 16:38:45,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:45,177 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:38:45,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:45,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1252 states and 1560 transitions. [2018-12-01 16:38:45,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1560 transitions. [2018-12-01 16:38:45,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-01 16:38:45,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:45,462 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:38:45,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:45,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1253 states and 1563 transitions. [2018-12-01 16:38:45,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1563 transitions. [2018-12-01 16:38:45,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-01 16:38:45,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:45,758 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:38:46,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1254 states and 1567 transitions. [2018-12-01 16:38:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1567 transitions. [2018-12-01 16:38:46,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-01 16:38:46,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:38:46,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:46,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1255 states and 1569 transitions. [2018-12-01 16:38:46,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1569 transitions. [2018-12-01 16:38:46,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-01 16:38:46,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:46,398 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:38:46,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:46,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1256 states and 1570 transitions. [2018-12-01 16:38:46,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1570 transitions. [2018-12-01 16:38:46,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-01 16:38:46,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:38:47,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:47,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1257 states and 1572 transitions. [2018-12-01 16:38:47,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1572 transitions. [2018-12-01 16:38:47,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 16:38:47,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:47,483 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:38:50,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:50,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1268 states and 1585 transitions. [2018-12-01 16:38:50,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1585 transitions. [2018-12-01 16:38:50,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 16:38:50,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:38:51,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:51,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1274 states and 1590 transitions. [2018-12-01 16:38:51,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1590 transitions. [2018-12-01 16:38:51,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-01 16:38:51,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:51,740 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 233 proven. 27 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-01 16:38:54,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:54,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1275 states and 1592 transitions. [2018-12-01 16:38:54,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1592 transitions. [2018-12-01 16:38:54,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-01 16:38:54,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:38:55,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1278 states and 1598 transitions. [2018-12-01 16:38:55,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1598 transitions. [2018-12-01 16:38:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-01 16:38:55,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:38:56,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:38:56,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1290 states and 1609 transitions. [2018-12-01 16:38:56,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1609 transitions. [2018-12-01 16:38:56,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-01 16:38:56,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:38:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:38:57,029 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-01 16:39:00,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:00,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1312 states and 1637 transitions. [2018-12-01 16:39:00,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1637 transitions. [2018-12-01 16:39:00,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-01 16:39:00,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:00,602 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-01 16:39:01,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:01,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1320 states and 1646 transitions. [2018-12-01 16:39:01,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1646 transitions. [2018-12-01 16:39:01,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-01 16:39:01,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:01,858 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-01 16:39:02,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:02,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1325 states and 1651 transitions. [2018-12-01 16:39:02,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1651 transitions. [2018-12-01 16:39:02,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-01 16:39:02,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-01 16:39:02,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:02,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1331 states and 1657 transitions. [2018-12-01 16:39:02,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1657 transitions. [2018-12-01 16:39:02,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-01 16:39:02,441 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:02,495 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-01 16:39:02,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:02,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1335 states and 1661 transitions. [2018-12-01 16:39:02,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1661 transitions. [2018-12-01 16:39:02,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-01 16:39:02,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-01 16:39:03,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:03,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1340 states and 1666 transitions. [2018-12-01 16:39:03,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1666 transitions. [2018-12-01 16:39:03,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-01 16:39:03,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:03,133 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-01 16:39:03,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:03,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1354 states and 1680 transitions. [2018-12-01 16:39:03,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1680 transitions. [2018-12-01 16:39:03,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-01 16:39:03,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:03,659 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-01 16:39:09,542 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2018-12-01 16:39:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:12,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1387 states and 1723 transitions. [2018-12-01 16:39:12,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1723 transitions. [2018-12-01 16:39:12,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-01 16:39:12,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:12,411 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-01 16:39:15,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:15,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1395 states and 1729 transitions. [2018-12-01 16:39:15,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1729 transitions. [2018-12-01 16:39:15,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-01 16:39:15,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:15,111 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-01 16:39:17,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:17,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1402 states and 1738 transitions. [2018-12-01 16:39:17,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1738 transitions. [2018-12-01 16:39:17,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-01 16:39:17,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:17,144 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-01 16:39:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:17,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1403 states and 1739 transitions. [2018-12-01 16:39:17,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1739 transitions. [2018-12-01 16:39:17,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-01 16:39:17,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:19,865 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-01 16:39:27,294 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2018-12-01 16:39:29,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:29,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1442 states and 1780 transitions. [2018-12-01 16:39:29,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1780 transitions. [2018-12-01 16:39:29,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-01 16:39:29,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:29,815 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-01 16:39:30,299 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2018-12-01 16:39:31,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:31,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1443 states and 1780 transitions. [2018-12-01 16:39:31,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1780 transitions. [2018-12-01 16:39:31,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-01 16:39:31,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:32,724 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 299 proven. 25 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-01 16:39:34,453 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-01 16:39:37,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:37,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1490 states and 1833 transitions. [2018-12-01 16:39:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1833 transitions. [2018-12-01 16:39:37,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-01 16:39:37,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:37,196 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-01 16:39:37,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:37,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1506 states and 1853 transitions. [2018-12-01 16:39:37,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1853 transitions. [2018-12-01 16:39:37,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-01 16:39:37,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-01 16:39:38,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:38,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1507 states and 1854 transitions. [2018-12-01 16:39:38,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1854 transitions. [2018-12-01 16:39:38,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 16:39:38,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:38,837 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 16:39:40,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:40,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1554 states and 1913 transitions. [2018-12-01 16:39:40,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1913 transitions. [2018-12-01 16:39:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-01 16:39:40,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-01 16:39:41,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:41,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1558 states and 1924 transitions. [2018-12-01 16:39:41,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1924 transitions. [2018-12-01 16:39:41,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-01 16:39:41,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:41,067 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 168 proven. 4 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-12-01 16:39:41,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:41,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1561 states and 1935 transitions. [2018-12-01 16:39:41,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 1935 transitions. [2018-12-01 16:39:41,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-01 16:39:41,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:41,866 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 16:39:43,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:43,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1581 states and 1964 transitions. [2018-12-01 16:39:43,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1964 transitions. [2018-12-01 16:39:43,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-01 16:39:43,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 16:39:44,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:44,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1585 states and 1975 transitions. [2018-12-01 16:39:44,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1975 transitions. [2018-12-01 16:39:44,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-01 16:39:44,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:44,659 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 16:39:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:45,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1589 states and 1980 transitions. [2018-12-01 16:39:45,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 1980 transitions. [2018-12-01 16:39:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-01 16:39:45,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:46,308 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 358 proven. 73 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-01 16:39:54,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:54,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 1632 states and 2036 transitions. [2018-12-01 16:39:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2036 transitions. [2018-12-01 16:39:54,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-01 16:39:54,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:54,562 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 358 proven. 73 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-01 16:39:57,958 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2018-12-01 16:39:58,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:39:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 1662 states and 2071 transitions. [2018-12-01 16:39:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2071 transitions. [2018-12-01 16:39:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-01 16:39:58,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:39:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:58,892 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 358 proven. 73 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-01 16:40:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:01,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 1664 states and 2072 transitions. [2018-12-01 16:40:01,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2072 transitions. [2018-12-01 16:40:01,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-12-01 16:40:01,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-12-01 16:40:02,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:02,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 1665 states and 2075 transitions. [2018-12-01 16:40:02,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2075 transitions. [2018-12-01 16:40:02,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-01 16:40:02,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-01 16:40:05,475 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-01 16:40:09,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:09,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 1722 states and 2138 transitions. [2018-12-01 16:40:09,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2138 transitions. [2018-12-01 16:40:09,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-01 16:40:09,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:10,031 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-01 16:40:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 1729 states and 2144 transitions. [2018-12-01 16:40:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2144 transitions. [2018-12-01 16:40:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 16:40:10,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:10,741 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 351 proven. 20 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-12-01 16:40:13,588 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 16:40:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:14,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1744 states and 2161 transitions. [2018-12-01 16:40:14,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2161 transitions. [2018-12-01 16:40:14,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 16:40:14,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:15,050 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 351 proven. 20 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-12-01 16:40:16,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:16,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 1735 states and 2151 transitions. [2018-12-01 16:40:16,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2151 transitions. [2018-12-01 16:40:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-01 16:40:16,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:18,448 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 14 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-01 16:40:20,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:20,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1740 states and 2158 transitions. [2018-12-01 16:40:20,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2158 transitions. [2018-12-01 16:40:20,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-01 16:40:20,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:21,575 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2018-12-01 16:40:22,858 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2018-12-01 16:40:24,432 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2018-12-01 16:40:25,005 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-12-01 16:40:28,391 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2018-12-01 16:40:34,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:34,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1792 states and 2212 transitions. [2018-12-01 16:40:34,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2212 transitions. [2018-12-01 16:40:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-01 16:40:34,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:34,915 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-12-01 16:40:36,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:36,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 1794 states and 2213 transitions. [2018-12-01 16:40:36,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2213 transitions. [2018-12-01 16:40:36,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-01 16:40:36,767 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:37,462 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 88 proven. 314 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-01 16:40:54,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:40:54,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 1903 states and 2332 transitions. [2018-12-01 16:40:54,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2332 transitions. [2018-12-01 16:40:54,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 16:40:54,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:40:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:40:55,214 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-01 16:41:04,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:41:04,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2023 states and 2468 transitions. [2018-12-01 16:41:04,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2468 transitions. [2018-12-01 16:41:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 16:41:04,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:41:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:41:06,145 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-01 16:41:08,491 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-12-01 16:41:13,752 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-12-01 16:41:15,503 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2018-12-01 16:41:19,473 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2018-12-01 16:41:25,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:41:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2092 states and 2537 transitions. [2018-12-01 16:41:25,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2537 transitions. [2018-12-01 16:41:25,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-01 16:41:25,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:41:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:41:25,538 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-01 16:41:25,926 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-01 16:41:27,854 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 16:41:29,080 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-01 16:41:30,625 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 16:41:33,257 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-01 16:41:33,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:41:33,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2137 states and 2582 transitions. [2018-12-01 16:41:33,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 2582 transitions. [2018-12-01 16:41:33,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-01 16:41:33,769 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:41:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:41:33,907 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-01 16:41:34,336 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 16:41:34,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:41:34,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 2140 states and 2584 transitions. [2018-12-01 16:41:34,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2584 transitions. [2018-12-01 16:41:34,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-01 16:41:34,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:41:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:41:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2018-12-01 16:41:34,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:41:34,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 2143 states and 2587 transitions. [2018-12-01 16:41:34,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2143 states and 2587 transitions. [2018-12-01 16:41:34,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 16:41:34,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:41:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:41:37,081 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 16:41:40,452 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-01 16:41:42,584 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-01 16:41:47,123 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-01 16:41:49,018 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 16:41:51,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:41:51,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2204 states and 2656 transitions. [2018-12-01 16:41:51,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 2656 transitions. [2018-12-01 16:41:51,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-01 16:41:51,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:41:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:41:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-12-01 16:42:00,216 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 16:42:05,767 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-12-01 16:42:06,369 WARN L180 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-01 16:42:07,975 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-01 16:42:08,457 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2018-12-01 16:42:11,207 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-01 16:42:14,480 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2018-12-01 16:42:15,229 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2018-12-01 16:42:16,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:42:16,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2310 states and 2777 transitions. [2018-12-01 16:42:16,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 2777 transitions. [2018-12-01 16:42:16,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-01 16:42:16,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:42:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:42:16,595 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-12-01 16:42:18,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:42:18,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2322 states and 2787 transitions. [2018-12-01 16:42:18,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2787 transitions. [2018-12-01 16:42:18,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-01 16:42:18,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:42:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:42:18,649 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-01 16:42:19,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:42:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 2351 states and 2816 transitions. [2018-12-01 16:42:19,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 2816 transitions. [2018-12-01 16:42:19,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-01 16:42:19,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:42:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:42:19,479 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-01 16:42:20,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:42:20,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2371 states and 2835 transitions. [2018-12-01 16:42:20,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 2835 transitions. [2018-12-01 16:42:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-01 16:42:20,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:42:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:42:20,607 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-01 16:42:21,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:42:21,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2372 states and 2836 transitions. [2018-12-01 16:42:21,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 2836 transitions. [2018-12-01 16:42:21,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-01 16:42:21,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:42:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:42:21,178 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-01 16:42:21,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:42:21,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2376 states and 2841 transitions. [2018-12-01 16:42:21,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 2841 transitions. [2018-12-01 16:42:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-01 16:42:21,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:42:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:42:21,712 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-01 16:42:22,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:42:22,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2377 states and 2842 transitions. [2018-12-01 16:42:22,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 2842 transitions. [2018-12-01 16:42:22,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 16:42:22,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:42:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:42:22,237 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 440 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-01 16:42:23,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:42:23,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2392 states and 2858 transitions. [2018-12-01 16:42:23,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 2858 transitions. [2018-12-01 16:42:23,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 16:42:23,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:42:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:42:23,123 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2018-12-01 16:42:25,927 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-01 16:42:34,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:42:34,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2418 states and 2890 transitions. [2018-12-01 16:42:34,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 2890 transitions. [2018-12-01 16:42:34,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 16:42:34,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:42:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:42:34,773 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2018-12-01 16:42:35,445 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 16:42:37,564 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 16:42:38,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:42:38,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2430 states and 2903 transitions. [2018-12-01 16:42:38,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2430 states and 2903 transitions. [2018-12-01 16:42:38,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 16:42:38,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:42:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:42:38,575 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2018-12-01 16:42:41,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:42:41,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2444 states and 2916 transitions. [2018-12-01 16:42:41,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 2916 transitions. [2018-12-01 16:42:41,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-01 16:42:41,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:42:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:42:41,928 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-01 16:42:43,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:42:43,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2445 states and 2920 transitions. [2018-12-01 16:42:43,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 2920 transitions. [2018-12-01 16:42:43,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-12-01 16:42:43,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:42:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:42:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-01 16:42:50,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:42:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2454 states and 2937 transitions. [2018-12-01 16:42:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 2937 transitions. [2018-12-01 16:42:50,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-12-01 16:42:50,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:42:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:42:50,344 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-01 16:42:52,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:42:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2939 states to 2455 states and 2939 transitions. [2018-12-01 16:42:52,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2455 states and 2939 transitions. [2018-12-01 16:42:52,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 16:42:52,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:42:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:42:56,047 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 16:43:00,752 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-01 16:43:01,255 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-01 16:43:05,539 WARN L180 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-01 16:43:08,863 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-01 16:43:10,707 WARN L180 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-01 16:43:12,324 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-01 16:43:14,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:43:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2502 states and 2996 transitions. [2018-12-01 16:43:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 2996 transitions. [2018-12-01 16:43:14,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 16:43:14,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:43:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:43:14,563 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 16:43:17,698 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-12-01 16:43:18,226 WARN L180 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-01 16:43:19,294 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-01 16:43:19,853 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-01 16:43:21,491 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-01 16:43:22,049 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-01 16:43:23,543 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-01 16:43:24,058 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-01 16:43:25,723 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-01 16:43:25,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:43:25,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 2538 states and 3031 transitions. [2018-12-01 16:43:25,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 3031 transitions. [2018-12-01 16:43:26,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 16:43:26,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:43:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:43:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 16:43:36,111 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 16:43:39,207 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 16:43:50,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:43:50,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 2548 states and 3043 transitions. [2018-12-01 16:43:50,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 3043 transitions. [2018-12-01 16:43:50,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 16:43:50,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:43:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:43:54,272 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 16:43:58,518 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2018-12-01 16:44:00,268 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-01 16:44:02,917 WARN L180 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2018-12-01 16:44:04,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:44:04,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 2565 states and 3062 transitions. [2018-12-01 16:44:04,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3062 transitions. [2018-12-01 16:44:04,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 16:44:04,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:44:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:44:04,827 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 16:44:07,065 WARN L180 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2018-12-01 16:44:08,723 WARN L180 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-12-01 16:44:09,474 WARN L180 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2018-12-01 16:44:11,359 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-12-01 16:44:12,034 WARN L180 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2018-12-01 16:44:13,331 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-12-01 16:44:13,657 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2018-12-01 16:44:15,352 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-12-01 16:44:15,792 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-01 16:44:16,644 WARN L180 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-01 16:44:20,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:44:20,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 2601 states and 3098 transitions. [2018-12-01 16:44:20,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 3098 transitions. [2018-12-01 16:44:20,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-01 16:44:20,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:44:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:44:21,191 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 173 proven. 423 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-01 16:44:38,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:44:38,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 2669 states and 3177 transitions. [2018-12-01 16:44:38,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 3177 transitions. [2018-12-01 16:44:38,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-01 16:44:38,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:44:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:44:39,411 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 173 proven. 423 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-01 16:44:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:44:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3183 states to 2677 states and 3183 transitions. [2018-12-01 16:44:42,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3183 transitions. [2018-12-01 16:44:42,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-01 16:44:42,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:44:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:44:42,867 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 173 proven. 423 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-01 16:44:43,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:44:43,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 2696 states and 3200 transitions. [2018-12-01 16:44:43,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3200 transitions. [2018-12-01 16:44:43,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-01 16:44:43,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:44:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:44:43,485 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 375 proven. 137 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-01 16:44:46,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:44:46,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 2693 states and 3196 transitions. [2018-12-01 16:44:46,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 3196 transitions. [2018-12-01 16:44:46,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 16:44:46,908 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 158 iterations. [2018-12-01 16:44:46,915 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 16:44:47,034 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 16 [2018-12-01 16:44:47,324 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 41 [2018-12-01 16:44:47,631 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 44 [2018-12-01 16:44:47,863 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 44 [2018-12-01 16:44:48,060 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 16 [2018-12-01 16:44:48,430 WARN L180 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 41 [2018-12-01 16:44:48,716 WARN L180 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 52 [2018-12-01 16:44:49,045 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 16 [2018-12-01 16:44:49,190 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 16 [2018-12-01 16:44:49,402 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 41 [2018-12-01 16:44:49,669 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 41 [2018-12-01 16:44:49,884 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 41 [2018-12-01 16:44:50,103 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 16 [2018-12-01 16:44:50,522 WARN L180 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 53 [2018-12-01 16:44:50,791 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 44 [2018-12-01 16:44:50,993 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 44 [2018-12-01 16:44:51,161 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 16 [2018-12-01 16:44:51,445 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 16 [2018-12-01 16:44:51,546 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 16 [2018-12-01 16:44:52,062 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 44 [2018-12-01 16:44:52,320 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 41 [2018-12-01 16:44:52,552 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 16 [2018-12-01 16:44:52,775 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 44 [2018-12-01 16:44:52,968 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 44 [2018-12-01 16:44:53,076 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 16 [2018-12-01 16:44:53,251 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 16 [2018-12-01 16:44:53,409 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16 [2018-12-01 16:44:53,776 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 16 [2018-12-01 16:44:53,931 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 16 [2018-12-01 16:44:54,133 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 41 [2018-12-01 16:44:54,493 WARN L180 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 71 [2018-12-01 16:44:54,703 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 16 [2018-12-01 16:44:55,131 WARN L180 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 53 [2018-12-01 16:44:55,384 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 44 [2018-12-01 16:44:55,569 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 44 [2018-12-01 16:44:55,678 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 16 [2018-12-01 16:44:55,866 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 41 [2018-12-01 16:44:55,887 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:44:55,889 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-01 16:44:55,894 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-01 16:44:55,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:44:55 ImpRootNode [2018-12-01 16:44:55,894 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 16:44:55,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 16:44:55,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 16:44:55,895 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 16:44:55,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:37:43" (3/4) ... [2018-12-01 16:44:55,898 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 16:44:55,908 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-01 16:44:55,908 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-01 16:44:55,908 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-01 16:44:55,909 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 16:44:55,963 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c642296e-176e-41ce-bda5-c4b325406dca/bin-2019/ukojak/witness.graphml [2018-12-01 16:44:55,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 16:44:55,964 INFO L168 Benchmark]: Toolchain (without parser) took 434153.83 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 530.6 MB). Free memory was 950.6 MB in the beginning and 559.5 MB in the end (delta: 391.2 MB). Peak memory consumption was 921.7 MB. Max. memory is 11.5 GB. [2018-12-01 16:44:55,964 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:44:55,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -125.1 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-12-01 16:44:55,964 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.53 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-01 16:44:55,965 INFO L168 Benchmark]: Boogie Preprocessor took 38.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:44:55,965 INFO L168 Benchmark]: RCFGBuilder took 950.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 860.9 MB in the end (delta: 207.7 MB). Peak memory consumption was 207.7 MB. Max. memory is 11.5 GB. [2018-12-01 16:44:55,965 INFO L168 Benchmark]: CodeCheck took 432746.45 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 436.7 MB). Free memory was 860.9 MB in the beginning and 574.1 MB in the end (delta: 286.8 MB). Peak memory consumption was 901.6 MB. Max. memory is 11.5 GB. [2018-12-01 16:44:55,965 INFO L168 Benchmark]: Witness Printer took 68.74 ms. Allocated memory is still 1.6 GB. Free memory was 574.1 MB in the beginning and 559.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-01 16:44:55,966 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 423.7s OverallTime, 158 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1208486068 SDtfs, 353799626 SDslu, 1825658954 SDs, 0 SdLazy, 1062040444 SolverSat, -1595436464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 656.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198769 GetRequests, 193039 SyntacticMatches, 3936 SemanticMatches, 1794 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2308395 ImplicationChecksByTransitivity, 394.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 43.3s InterpolantComputationTime, 30059 NumberOfCodeBlocks, 30059 NumberOfCodeBlocksAsserted, 157 NumberOfCheckSat, 29902 ConstructedInterpolants, 0 QuantifiedInterpolants, 35515294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 157 InterpolantComputations, 122 PerfectInterpolantSequences, 36029/38384 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 497]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(a17 == 1) || !(a20 == 1)) || !(a16 == 6)) || !(a8 == 14) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a17 == 1) || !(a20 == 1)) || !(a8 == 14)) || !(a16 == 6) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 305.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -125.1 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.53 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 950.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 860.9 MB in the end (delta: 207.7 MB). Peak memory consumption was 207.7 MB. Max. memory is 11.5 GB. * CodeCheck took 432746.45 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 436.7 MB). Free memory was 860.9 MB in the beginning and 574.1 MB in the end (delta: 286.8 MB). Peak memory consumption was 901.6 MB. Max. memory is 11.5 GB. * Witness Printer took 68.74 ms. Allocated memory is still 1.6 GB. Free memory was 574.1 MB in the beginning and 559.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...