./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bb4b3ea7-6606-4e63-ac12-c8a45fe00f7e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb4b3ea7-6606-4e63-ac12-c8a45fe00f7e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb4b3ea7-6606-4e63-ac12-c8a45fe00f7e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb4b3ea7-6606-4e63-ac12-c8a45fe00f7e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bb4b3ea7-6606-4e63-ac12-c8a45fe00f7e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb4b3ea7-6606-4e63-ac12-c8a45fe00f7e/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 e521cfa02db8c2eac8727300620f5ffec2ecc0c7 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:39:45,172 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:39:45,173 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:39:45,183 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:39:45,183 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:39:45,184 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:39:45,185 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:39:45,187 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:39:45,188 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:39:45,189 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:39:45,189 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:39:45,190 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:39:45,190 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:39:45,191 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:39:45,192 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:39:45,193 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:39:45,193 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:39:45,195 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:39:45,197 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:39:45,198 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:39:45,200 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:39:45,201 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:39:45,203 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:39:45,203 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:39:45,203 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:39:45,204 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:39:45,205 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:39:45,206 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:39:45,206 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:39:45,208 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:39:45,208 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:39:45,209 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:39:45,209 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:39:45,209 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:39:45,210 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:39:45,212 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:39:45,212 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb4b3ea7-6606-4e63-ac12-c8a45fe00f7e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:39:45,225 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:39:45,225 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:39:45,226 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:39:45,226 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:39:45,226 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:39:45,227 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:39:45,227 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:39:45,228 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:39:45,228 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:39:45,228 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:39:45,228 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:39:45,228 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:39:45,228 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:39:45,229 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:39:45,229 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:39:45,229 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:39:45,229 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:39:45,229 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:39:45,229 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:39:45,230 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:39:45,230 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:39:45,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:39:45,230 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:39:45,230 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:39:45,230 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:39:45,231 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:39:45,233 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:39:45,233 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:39:45,233 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_bb4b3ea7-6606-4e63-ac12-c8a45fe00f7e/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 -> e521cfa02db8c2eac8727300620f5ffec2ecc0c7 [2018-10-26 21:39:45,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:39:45,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:39:45,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:39:45,279 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:39:45,280 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:39:45,281 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb4b3ea7-6606-4e63-ac12-c8a45fe00f7e/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c [2018-10-26 21:39:45,332 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb4b3ea7-6606-4e63-ac12-c8a45fe00f7e/bin-2019/ukojak/data/1c97401ac/148a4171acf04802a4ad3b2282e04497/FLAGf77e9c42d [2018-10-26 21:39:45,790 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:39:45,791 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb4b3ea7-6606-4e63-ac12-c8a45fe00f7e/sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c [2018-10-26 21:39:45,802 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb4b3ea7-6606-4e63-ac12-c8a45fe00f7e/bin-2019/ukojak/data/1c97401ac/148a4171acf04802a4ad3b2282e04497/FLAGf77e9c42d [2018-10-26 21:39:45,823 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb4b3ea7-6606-4e63-ac12-c8a45fe00f7e/bin-2019/ukojak/data/1c97401ac/148a4171acf04802a4ad3b2282e04497 [2018-10-26 21:39:45,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:39:45,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:39:45,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:39:45,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:39:45,833 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:39:45,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:39:45" (1/1) ... [2018-10-26 21:39:45,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c17ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:45, skipping insertion in model container [2018-10-26 21:39:45,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:39:45" (1/1) ... [2018-10-26 21:39:45,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:39:45,899 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:39:46,268 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:39:46,273 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:39:46,370 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:39:46,393 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:39:46,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:46 WrapperNode [2018-10-26 21:39:46,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:39:46,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:39:46,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:39:46,396 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:39:46,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:46" (1/1) ... [2018-10-26 21:39:46,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:46" (1/1) ... [2018-10-26 21:39:46,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:39:46,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:39:46,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:39:46,614 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:39:46,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:46" (1/1) ... [2018-10-26 21:39:46,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:46" (1/1) ... [2018-10-26 21:39:46,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:46" (1/1) ... [2018-10-26 21:39:46,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:46" (1/1) ... [2018-10-26 21:39:46,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:46" (1/1) ... [2018-10-26 21:39:46,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:46" (1/1) ... [2018-10-26 21:39:46,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:46" (1/1) ... [2018-10-26 21:39:46,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:39:46,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:39:46,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:39:46,680 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:39:46,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb4b3ea7-6606-4e63-ac12-c8a45fe00f7e/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:39:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:39:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:39:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:39:52,183 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:39:52,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:39:52 BoogieIcfgContainer [2018-10-26 21:39:52,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:39:52,184 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:39:52,184 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:39:52,198 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:39:52,198 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:39:52" (1/1) ... [2018-10-26 21:39:52,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:39:52,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:39:52,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-10-26 21:39:52,257 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-10-26 21:39:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 21:39:52,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:39:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:39:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:39:53,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:39:53,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 165 states and 244 transitions. [2018-10-26 21:39:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 244 transitions. [2018-10-26 21:39:53,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 21:39:53,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:39:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:39:54,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:39:54,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:39:54,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 245 states and 339 transitions. [2018-10-26 21:39:54,971 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 339 transitions. [2018-10-26 21:39:54,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 21:39:54,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:39:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:39:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:39:55,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:39:55,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 250 states and 345 transitions. [2018-10-26 21:39:55,329 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 345 transitions. [2018-10-26 21:39:55,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-26 21:39:55,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:39:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:39:55,755 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:39:56,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:39:56,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 260 states and 360 transitions. [2018-10-26 21:39:56,073 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 360 transitions. [2018-10-26 21:39:56,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-26 21:39:56,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:39:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:39:56,107 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:39:56,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:39:56,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 263 states and 363 transitions. [2018-10-26 21:39:56,196 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 363 transitions. [2018-10-26 21:39:56,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 21:39:56,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:39:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:39:56,229 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:39:56,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:39:56,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 268 states and 371 transitions. [2018-10-26 21:39:56,814 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 371 transitions. [2018-10-26 21:39:56,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 21:39:56,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:39:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:39:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 21:39:57,129 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-26 21:39:57,391 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 21:39:57,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:39:57,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 273 states and 377 transitions. [2018-10-26 21:39:57,738 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 377 transitions. [2018-10-26 21:39:57,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 21:39:57,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:39:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:39:57,833 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:39:58,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:39:58,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 291 states and 403 transitions. [2018-10-26 21:39:58,437 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 403 transitions. [2018-10-26 21:39:58,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 21:39:58,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:39:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:39:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:40:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:00,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 310 states and 429 transitions. [2018-10-26 21:40:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 429 transitions. [2018-10-26 21:40:00,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 21:40:00,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:40:00,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:00,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 314 states and 436 transitions. [2018-10-26 21:40:00,661 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 436 transitions. [2018-10-26 21:40:00,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 21:40:00,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:00,696 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:40:01,059 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 21:40:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 318 states and 440 transitions. [2018-10-26 21:40:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 440 transitions. [2018-10-26 21:40:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 21:40:01,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:01,449 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:40:02,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:02,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 342 states and 472 transitions. [2018-10-26 21:40:02,065 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 472 transitions. [2018-10-26 21:40:02,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-26 21:40:02,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:02,089 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 21:40:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 344 states and 474 transitions. [2018-10-26 21:40:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 474 transitions. [2018-10-26 21:40:02,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 21:40:02,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:02,542 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:40:03,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:03,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 424 states and 559 transitions. [2018-10-26 21:40:03,487 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 559 transitions. [2018-10-26 21:40:03,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 21:40:03,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:03,521 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:40:04,223 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 21:40:04,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:04,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 429 states and 565 transitions. [2018-10-26 21:40:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 565 transitions. [2018-10-26 21:40:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 21:40:04,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:04,509 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:40:04,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:04,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 434 states and 574 transitions. [2018-10-26 21:40:04,819 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 574 transitions. [2018-10-26 21:40:04,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 21:40:04,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:40:05,319 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 21:40:05,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:05,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 438 states and 579 transitions. [2018-10-26 21:40:05,448 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 579 transitions. [2018-10-26 21:40:05,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 21:40:05,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:05,472 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:40:05,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:05,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 442 states and 584 transitions. [2018-10-26 21:40:05,612 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 584 transitions. [2018-10-26 21:40:05,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 21:40:05,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:05,640 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:40:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:05,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 444 states and 586 transitions. [2018-10-26 21:40:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 586 transitions. [2018-10-26 21:40:05,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 21:40:05,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 21:40:06,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:06,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 455 states and 600 transitions. [2018-10-26 21:40:06,115 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 600 transitions. [2018-10-26 21:40:06,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-26 21:40:06,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:06,179 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:40:06,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:06,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 466 states and 612 transitions. [2018-10-26 21:40:06,595 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 612 transitions. [2018-10-26 21:40:06,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-26 21:40:06,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:06,743 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 21:40:07,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:07,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 476 states and 626 transitions. [2018-10-26 21:40:07,110 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 626 transitions. [2018-10-26 21:40:07,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-26 21:40:07,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:40:07,836 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 21:40:08,303 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 21:40:09,736 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 21:40:10,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 479 states and 630 transitions. [2018-10-26 21:40:10,334 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 630 transitions. [2018-10-26 21:40:10,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-26 21:40:10,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:10,372 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:40:10,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:10,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 481 states and 631 transitions. [2018-10-26 21:40:10,768 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 631 transitions. [2018-10-26 21:40:10,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-26 21:40:10,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:11,052 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 21:40:12,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:12,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 510 states and 669 transitions. [2018-10-26 21:40:12,134 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 669 transitions. [2018-10-26 21:40:12,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-26 21:40:12,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:12,944 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 21:40:13,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 516 states and 675 transitions. [2018-10-26 21:40:13,220 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 675 transitions. [2018-10-26 21:40:13,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 21:40:13,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 21:40:16,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:16,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 558 states and 732 transitions. [2018-10-26 21:40:16,651 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 732 transitions. [2018-10-26 21:40:16,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 21:40:16,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 21:40:17,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:17,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 562 states and 736 transitions. [2018-10-26 21:40:17,068 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 736 transitions. [2018-10-26 21:40:17,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 21:40:17,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:17,100 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:40:17,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:17,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 563 states and 737 transitions. [2018-10-26 21:40:17,185 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 737 transitions. [2018-10-26 21:40:17,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 21:40:17,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 21:40:17,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:17,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 580 states and 757 transitions. [2018-10-26 21:40:17,483 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 757 transitions. [2018-10-26 21:40:17,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 21:40:17,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:17,522 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:40:17,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:17,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 585 states and 763 transitions. [2018-10-26 21:40:17,834 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 763 transitions. [2018-10-26 21:40:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 21:40:17,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:17,956 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:40:18,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:18,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 586 states and 765 transitions. [2018-10-26 21:40:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 765 transitions. [2018-10-26 21:40:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 21:40:18,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:18,132 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 21:40:18,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:18,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 588 states and 767 transitions. [2018-10-26 21:40:18,199 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 767 transitions. [2018-10-26 21:40:18,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 21:40:18,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:18,236 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 21:40:18,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:18,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 590 states and 769 transitions. [2018-10-26 21:40:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 769 transitions. [2018-10-26 21:40:18,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 21:40:18,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:40:19,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:19,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 594 states and 772 transitions. [2018-10-26 21:40:19,025 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 772 transitions. [2018-10-26 21:40:19,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 21:40:19,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:19,330 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-26 21:40:20,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:20,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 646 states and 837 transitions. [2018-10-26 21:40:20,859 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 837 transitions. [2018-10-26 21:40:20,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-26 21:40:20,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:20,956 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:40:21,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:21,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 670 states and 861 transitions. [2018-10-26 21:40:21,760 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 861 transitions. [2018-10-26 21:40:21,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-26 21:40:21,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:21,875 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:40:22,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:22,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 674 states and 865 transitions. [2018-10-26 21:40:22,149 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 865 transitions. [2018-10-26 21:40:22,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-26 21:40:22,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:22,201 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:40:22,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:22,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 690 states and 881 transitions. [2018-10-26 21:40:22,304 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 881 transitions. [2018-10-26 21:40:22,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 21:40:22,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:22,339 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:40:22,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:22,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 696 states and 886 transitions. [2018-10-26 21:40:22,502 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 886 transitions. [2018-10-26 21:40:22,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 21:40:22,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:22,724 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:40:22,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:22,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 731 states and 923 transitions. [2018-10-26 21:40:22,891 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 923 transitions. [2018-10-26 21:40:22,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 21:40:22,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:22,925 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:40:23,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:23,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 744 states and 936 transitions. [2018-10-26 21:40:23,055 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 936 transitions. [2018-10-26 21:40:23,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 21:40:23,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:23,091 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 21:40:23,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:23,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 747 states and 938 transitions. [2018-10-26 21:40:23,315 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 938 transitions. [2018-10-26 21:40:23,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 21:40:23,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:23,443 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:40:24,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:24,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 777 states and 967 transitions. [2018-10-26 21:40:24,123 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 967 transitions. [2018-10-26 21:40:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 21:40:24,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 21:40:24,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:24,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 779 states and 969 transitions. [2018-10-26 21:40:24,530 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 969 transitions. [2018-10-26 21:40:24,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-26 21:40:24,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:24,716 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-26 21:40:27,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:27,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 918 states and 1117 transitions. [2018-10-26 21:40:27,048 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1117 transitions. [2018-10-26 21:40:27,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 21:40:27,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:27,134 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 21:40:27,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:27,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 919 states and 1118 transitions. [2018-10-26 21:40:27,223 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1118 transitions. [2018-10-26 21:40:27,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 21:40:27,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:27,357 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:27,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:27,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 921 states and 1120 transitions. [2018-10-26 21:40:27,422 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1120 transitions. [2018-10-26 21:40:27,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-26 21:40:27,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:27,486 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:28,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:28,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 940 states and 1142 transitions. [2018-10-26 21:40:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1142 transitions. [2018-10-26 21:40:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 21:40:28,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:28,435 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:28,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:28,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 941 states and 1143 transitions. [2018-10-26 21:40:28,489 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1143 transitions. [2018-10-26 21:40:28,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 21:40:28,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-26 21:40:28,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:28,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 947 states and 1148 transitions. [2018-10-26 21:40:28,725 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1148 transitions. [2018-10-26 21:40:28,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 21:40:28,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:28,834 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-26 21:40:29,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:29,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 953 states and 1156 transitions. [2018-10-26 21:40:29,278 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1156 transitions. [2018-10-26 21:40:29,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 21:40:29,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:29,350 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-26 21:40:29,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:29,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 954 states and 1156 transitions. [2018-10-26 21:40:29,479 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1156 transitions. [2018-10-26 21:40:29,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-26 21:40:29,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:30,260 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:32,213 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-10-26 21:40:32,851 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2018-10-26 21:40:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1013 states and 1220 transitions. [2018-10-26 21:40:34,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1220 transitions. [2018-10-26 21:40:34,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-26 21:40:34,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:34,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:34,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1016 states and 1224 transitions. [2018-10-26 21:40:34,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1224 transitions. [2018-10-26 21:40:34,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-10-26 21:40:34,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:34,738 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:35,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:35,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1028 states and 1240 transitions. [2018-10-26 21:40:35,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1240 transitions. [2018-10-26 21:40:35,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 21:40:35,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:42,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:42,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1097 states and 1326 transitions. [2018-10-26 21:40:42,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1326 transitions. [2018-10-26 21:40:42,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 21:40:42,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:42,237 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:42,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:42,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1101 states and 1330 transitions. [2018-10-26 21:40:42,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1330 transitions. [2018-10-26 21:40:42,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 21:40:42,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:43,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:43,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1105 states and 1334 transitions. [2018-10-26 21:40:43,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1334 transitions. [2018-10-26 21:40:43,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 21:40:43,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:43,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:43,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1109 states and 1339 transitions. [2018-10-26 21:40:43,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1339 transitions. [2018-10-26 21:40:43,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-26 21:40:43,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:44,857 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 184 proven. 11 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:47,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:47,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1129 states and 1366 transitions. [2018-10-26 21:40:47,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1366 transitions. [2018-10-26 21:40:47,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-26 21:40:47,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:47,501 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 184 proven. 11 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:48,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:48,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1133 states and 1370 transitions. [2018-10-26 21:40:48,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1370 transitions. [2018-10-26 21:40:48,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-26 21:40:48,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:48,167 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-26 21:40:48,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:48,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1136 states and 1375 transitions. [2018-10-26 21:40:48,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1375 transitions. [2018-10-26 21:40:48,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-26 21:40:48,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:49,023 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-26 21:40:49,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:49,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1137 states and 1375 transitions. [2018-10-26 21:40:49,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1375 transitions. [2018-10-26 21:40:49,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 21:40:49,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:49,354 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-10-26 21:40:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:49,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1147 states and 1385 transitions. [2018-10-26 21:40:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1385 transitions. [2018-10-26 21:40:49,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 21:40:49,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:50,164 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:51,219 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 21:40:51,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:51,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1184 states and 1428 transitions. [2018-10-26 21:40:51,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1428 transitions. [2018-10-26 21:40:51,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-26 21:40:51,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:51,474 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:52,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:52,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1209 states and 1454 transitions. [2018-10-26 21:40:52,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1454 transitions. [2018-10-26 21:40:52,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-26 21:40:52,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:53,072 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:54,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:54,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1216 states and 1460 transitions. [2018-10-26 21:40:54,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1460 transitions. [2018-10-26 21:40:54,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-10-26 21:40:54,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-26 21:40:54,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:54,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1217 states and 1461 transitions. [2018-10-26 21:40:54,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1461 transitions. [2018-10-26 21:40:54,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-10-26 21:40:54,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-26 21:40:54,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:54,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1220 states and 1465 transitions. [2018-10-26 21:40:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1465 transitions. [2018-10-26 21:40:54,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-10-26 21:40:54,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:54,824 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:55,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:55,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1221 states and 1468 transitions. [2018-10-26 21:40:55,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1468 transitions. [2018-10-26 21:40:55,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-10-26 21:40:55,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:55,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:55,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1225 states and 1473 transitions. [2018-10-26 21:40:55,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1473 transitions. [2018-10-26 21:40:55,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-10-26 21:40:55,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:55,720 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:40:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:56,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1229 states and 1478 transitions. [2018-10-26 21:40:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1478 transitions. [2018-10-26 21:40:56,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-10-26 21:40:56,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:56,101 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-26 21:40:56,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:56,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1235 states and 1483 transitions. [2018-10-26 21:40:56,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1483 transitions. [2018-10-26 21:40:56,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-10-26 21:40:56,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:56,201 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 21:40:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:56,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1239 states and 1487 transitions. [2018-10-26 21:40:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1487 transitions. [2018-10-26 21:40:56,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-26 21:40:56,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:57,029 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:40:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:59,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1313 states and 1577 transitions. [2018-10-26 21:40:59,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1577 transitions. [2018-10-26 21:40:59,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-26 21:40:59,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:59,436 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:41:00,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:00,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1330 states and 1594 transitions. [2018-10-26 21:41:00,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1594 transitions. [2018-10-26 21:41:00,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-26 21:41:00,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:01,011 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:41:01,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:01,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1336 states and 1599 transitions. [2018-10-26 21:41:01,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1599 transitions. [2018-10-26 21:41:01,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-26 21:41:01,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:01,614 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:41:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:01,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1340 states and 1604 transitions. [2018-10-26 21:41:01,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1604 transitions. [2018-10-26 21:41:01,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-10-26 21:41:01,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:01,782 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-26 21:41:02,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:02,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1372 states and 1638 transitions. [2018-10-26 21:41:02,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1638 transitions. [2018-10-26 21:41:02,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-26 21:41:02,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:02,644 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-10-26 21:41:02,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:02,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1374 states and 1639 transitions. [2018-10-26 21:41:02,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 1639 transitions. [2018-10-26 21:41:02,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 21:41:02,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:03,053 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 21:41:06,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:06,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1439 states and 1727 transitions. [2018-10-26 21:41:06,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1727 transitions. [2018-10-26 21:41:06,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 21:41:06,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:06,582 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 21:41:07,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:07,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1451 states and 1739 transitions. [2018-10-26 21:41:07,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1739 transitions. [2018-10-26 21:41:07,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 21:41:07,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:07,722 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 21:41:08,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:08,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1455 states and 1742 transitions. [2018-10-26 21:41:08,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1742 transitions. [2018-10-26 21:41:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 21:41:08,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 21:41:08,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:08,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1461 states and 1747 transitions. [2018-10-26 21:41:08,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1747 transitions. [2018-10-26 21:41:08,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 21:41:08,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:08,820 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 21:41:09,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:09,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1466 states and 1751 transitions. [2018-10-26 21:41:09,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1751 transitions. [2018-10-26 21:41:09,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 21:41:09,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:09,323 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 21:41:09,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1475 states and 1759 transitions. [2018-10-26 21:41:09,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1759 transitions. [2018-10-26 21:41:09,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 21:41:09,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 21:41:10,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:10,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1487 states and 1770 transitions. [2018-10-26 21:41:10,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1770 transitions. [2018-10-26 21:41:10,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-26 21:41:10,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:10,201 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:41:13,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:13,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1539 states and 1831 transitions. [2018-10-26 21:41:13,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 1831 transitions. [2018-10-26 21:41:13,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-26 21:41:13,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:13,580 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:41:15,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1585 states and 1879 transitions. [2018-10-26 21:41:15,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1879 transitions. [2018-10-26 21:41:15,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-26 21:41:15,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:15,522 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:41:15,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:15,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1587 states and 1881 transitions. [2018-10-26 21:41:15,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 1881 transitions. [2018-10-26 21:41:15,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-26 21:41:15,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:15,601 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:41:15,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:15,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1599 states and 1892 transitions. [2018-10-26 21:41:15,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1892 transitions. [2018-10-26 21:41:15,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-26 21:41:15,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:15,879 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:41:16,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:16,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1642 states and 1935 transitions. [2018-10-26 21:41:16,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 1935 transitions. [2018-10-26 21:41:16,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-26 21:41:16,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:16,512 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:41:16,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:16,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1658 states and 1951 transitions. [2018-10-26 21:41:16,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 1951 transitions. [2018-10-26 21:41:16,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-26 21:41:16,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:17,021 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 21:41:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:17,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1665 states and 1957 transitions. [2018-10-26 21:41:17,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 1957 transitions. [2018-10-26 21:41:17,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-26 21:41:17,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:17,692 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 21:41:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1666 states and 1958 transitions. [2018-10-26 21:41:17,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 1958 transitions. [2018-10-26 21:41:17,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-26 21:41:17,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 21:41:18,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:18,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1672 states and 1962 transitions. [2018-10-26 21:41:18,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1962 transitions. [2018-10-26 21:41:18,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-10-26 21:41:18,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:18,382 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-26 21:41:19,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:19,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1692 states and 1990 transitions. [2018-10-26 21:41:19,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 1990 transitions. [2018-10-26 21:41:19,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-10-26 21:41:19,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:19,714 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 229 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-26 21:41:21,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:21,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 1778 states and 2085 transitions. [2018-10-26 21:41:21,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2085 transitions. [2018-10-26 21:41:21,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-10-26 21:41:21,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:21,764 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 229 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-26 21:41:22,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:22,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 1782 states and 2090 transitions. [2018-10-26 21:41:22,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2090 transitions. [2018-10-26 21:41:22,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-10-26 21:41:22,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:22,289 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-10-26 21:41:23,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:23,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 1857 states and 2166 transitions. [2018-10-26 21:41:23,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2166 transitions. [2018-10-26 21:41:23,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-26 21:41:23,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-26 21:41:24,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:24,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1891 states and 2202 transitions. [2018-10-26 21:41:24,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2202 transitions. [2018-10-26 21:41:24,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-26 21:41:24,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:24,294 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-26 21:41:24,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1894 states and 2206 transitions. [2018-10-26 21:41:24,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2206 transitions. [2018-10-26 21:41:24,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-26 21:41:24,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:25,006 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-10-26 21:41:25,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:25,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1895 states and 2206 transitions. [2018-10-26 21:41:25,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2206 transitions. [2018-10-26 21:41:25,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-26 21:41:25,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:26,470 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:41:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:34,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 2029 states and 2364 transitions. [2018-10-26 21:41:34,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2029 states and 2364 transitions. [2018-10-26 21:41:34,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-26 21:41:34,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:34,492 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:41:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:39,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2075 states and 2415 transitions. [2018-10-26 21:41:39,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2415 transitions. [2018-10-26 21:41:39,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-26 21:41:39,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:39,540 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:41:41,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:41,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2425 states to 2085 states and 2425 transitions. [2018-10-26 21:41:41,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2425 transitions. [2018-10-26 21:41:41,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-10-26 21:41:41,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-10-26 21:41:41,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2088 states and 2427 transitions. [2018-10-26 21:41:41,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2427 transitions. [2018-10-26 21:41:41,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-10-26 21:41:41,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:41,348 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-10-26 21:41:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:41,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 2092 states and 2431 transitions. [2018-10-26 21:41:41,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2431 transitions. [2018-10-26 21:41:42,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-26 21:41:42,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:43,109 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 318 proven. 28 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 21:41:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:47,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2146 states and 2499 transitions. [2018-10-26 21:41:47,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2499 transitions. [2018-10-26 21:41:48,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-26 21:41:48,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:48,099 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 318 proven. 28 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 21:41:49,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2154 states and 2507 transitions. [2018-10-26 21:41:49,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2507 transitions. [2018-10-26 21:41:49,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-26 21:41:49,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:49,381 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 354 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 21:41:49,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:49,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2156 states and 2509 transitions. [2018-10-26 21:41:49,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 2509 transitions. [2018-10-26 21:41:49,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-26 21:41:49,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:49,904 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 354 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 21:41:50,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:50,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2160 states and 2515 transitions. [2018-10-26 21:41:50,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 2515 transitions. [2018-10-26 21:41:50,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-26 21:41:50,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:50,753 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 246 proven. 1 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-10-26 21:41:52,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:52,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2179 states and 2540 transitions. [2018-10-26 21:41:52,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2179 states and 2540 transitions. [2018-10-26 21:41:52,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-26 21:41:52,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:52,083 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 246 proven. 1 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-10-26 21:41:52,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:52,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2184 states and 2546 transitions. [2018-10-26 21:41:52,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states and 2546 transitions. [2018-10-26 21:41:52,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-26 21:41:52,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:52,842 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 246 proven. 1 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-10-26 21:41:53,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:53,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2188 states and 2550 transitions. [2018-10-26 21:41:53,437 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 2550 transitions. [2018-10-26 21:41:53,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-10-26 21:41:53,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:53,593 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 332 proven. 42 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 21:41:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:54,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2195 states and 2562 transitions. [2018-10-26 21:41:54,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2562 transitions. [2018-10-26 21:41:54,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-10-26 21:41:54,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:54,839 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 255 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-10-26 21:41:55,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:55,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2225 states and 2593 transitions. [2018-10-26 21:41:55,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 2593 transitions. [2018-10-26 21:41:55,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-10-26 21:41:55,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:55,445 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 255 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-10-26 21:41:55,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:55,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2230 states and 2598 transitions. [2018-10-26 21:41:55,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2598 transitions. [2018-10-26 21:41:55,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-10-26 21:41:55,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 202 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-10-26 21:42:04,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:42:04,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2496 states and 2908 transitions. [2018-10-26 21:42:04,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2908 transitions. [2018-10-26 21:42:04,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-10-26 21:42:04,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:42:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:42:05,965 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 74 proven. 410 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-10-26 21:42:13,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:42:13,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 2575 states and 3010 transitions. [2018-10-26 21:42:13,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 3010 transitions. [2018-10-26 21:42:13,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:42:13,556 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 122 iterations. [2018-10-26 21:42:13,565 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:42:13,711 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 17 [2018-10-26 21:42:13,833 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 17 [2018-10-26 21:42:13,984 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 17 [2018-10-26 21:42:14,135 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 17 [2018-10-26 21:42:14,252 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 17 [2018-10-26 21:42:14,427 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 17 [2018-10-26 21:42:14,585 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 17 [2018-10-26 21:42:14,693 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 17 [2018-10-26 21:42:14,801 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 17 [2018-10-26 21:42:14,999 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 17 [2018-10-26 21:42:15,189 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 17 [2018-10-26 21:42:15,391 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 17 [2018-10-26 21:42:15,607 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 17 [2018-10-26 21:42:15,741 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 17 [2018-10-26 21:42:16,023 WARN L179 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 17 [2018-10-26 21:42:16,307 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-10-26 21:42:16,458 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 17 [2018-10-26 21:42:16,571 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 17 [2018-10-26 21:42:16,678 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 17 [2018-10-26 21:42:16,902 WARN L179 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 17 [2018-10-26 21:42:17,093 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-10-26 21:42:17,196 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2018-10-26 21:42:17,311 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 17 [2018-10-26 21:42:17,520 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 17 [2018-10-26 21:42:17,745 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 17 [2018-10-26 21:42:17,960 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 17 [2018-10-26 21:42:18,060 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 17 [2018-10-26 21:42:18,254 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 17 [2018-10-26 21:42:18,384 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 17 [2018-10-26 21:42:18,717 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 17 [2018-10-26 21:42:18,956 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 17 [2018-10-26 21:42:19,096 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 17 [2018-10-26 21:42:19,200 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 17 [2018-10-26 21:42:19,496 WARN L179 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 17 [2018-10-26 21:42:19,650 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 17 [2018-10-26 21:42:19,754 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 17 [2018-10-26 21:42:20,166 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 17 [2018-10-26 21:42:20,281 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 17 [2018-10-26 21:42:20,449 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 17 [2018-10-26 21:42:20,558 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 17 [2018-10-26 21:42:20,758 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2018-10-26 21:42:20,896 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 17 [2018-10-26 21:42:21,001 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 17 [2018-10-26 21:42:21,356 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-10-26 21:42:21,582 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 17 [2018-10-26 21:42:21,698 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 17 [2018-10-26 21:42:21,888 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-10-26 21:42:22,346 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 17 [2018-10-26 21:42:22,347 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:42:22,349 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-10-26 21:42:22,355 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-10-26 21:42:22,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:42:22 ImpRootNode [2018-10-26 21:42:22,356 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:42:22,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:42:22,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:42:22,357 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:42:22,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:39:52" (3/4) ... [2018-10-26 21:42:22,364 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:42:22,386 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-10-26 21:42:22,387 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-26 21:42:22,388 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-10-26 21:42:22,389 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 21:42:22,547 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bb4b3ea7-6606-4e63-ac12-c8a45fe00f7e/bin-2019/ukojak/witness.graphml [2018-10-26 21:42:22,547 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:42:22,548 INFO L168 Benchmark]: Toolchain (without parser) took 156721.21 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 954.3 MB in the beginning and 1.8 GB in the end (delta: -877.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-10-26 21:42:22,548 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:42:22,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.59 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 924.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:42:22,549 INFO L168 Benchmark]: Boogie Procedure Inliner took 217.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 924.8 MB in the beginning and 1.1 GB in the end (delta: -221.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:42:22,549 INFO L168 Benchmark]: Boogie Preprocessor took 66.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:42:22,549 INFO L168 Benchmark]: RCFGBuilder took 5503.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 911.7 MB in the end (delta: 232.3 MB). Peak memory consumption was 232.3 MB. Max. memory is 11.5 GB. [2018-10-26 21:42:22,550 INFO L168 Benchmark]: CodeCheck took 150171.95 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 911.7 MB in the beginning and 1.8 GB in the end (delta: -919.7 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-10-26 21:42:22,550 INFO L168 Benchmark]: Witness Printer took 190.31 ms. Allocated memory is still 3.0 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 20.4 kB). Peak memory consumption was 20.4 kB. Max. memory is 11.5 GB. [2018-10-26 21:42:22,552 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 141.3s OverallTime, 122 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 76374436 SDtfs, -1727092580 SDslu, 662257476 SDs, 0 SdLazy, 71297150 SolverSat, 721709826 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 669.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157891 GetRequests, 155050 SyntacticMatches, 1713 SemanticMatches, 1128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830889 ImplicationChecksByTransitivity, 117.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 17.9s InterpolantComputationTime, 23943 NumberOfCodeBlocks, 23943 NumberOfCodeBlocksAsserted, 121 NumberOfCheckSat, 23822 ConstructedInterpolants, 0 QuantifiedInterpolants, 15253276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 121 InterpolantComputations, 98 PerfectInterpolantSequences, 23351/24426 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: 517]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((!(a11 == 1) || a25 == 1) || !(a17 == 7 && a28 == 7)) || !(a19 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(a11 == 1) || a25 == 1) || !(a17 == 7 && a28 == 7)) || !(a19 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 566.59 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 924.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 217.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 924.8 MB in the beginning and 1.1 GB in the end (delta: -221.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5503.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 911.7 MB in the end (delta: 232.3 MB). Peak memory consumption was 232.3 MB. Max. memory is 11.5 GB. * CodeCheck took 150171.95 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 911.7 MB in the beginning and 1.8 GB in the end (delta: -919.7 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 190.31 ms. Allocated memory is still 3.0 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 20.4 kB). Peak memory consumption was 20.4 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...