./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label42_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_b680462a-0f2e-4efa-b88a-209d749bb2e3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b680462a-0f2e-4efa-b88a-209d749bb2e3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b680462a-0f2e-4efa-b88a-209d749bb2e3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b680462a-0f2e-4efa-b88a-209d749bb2e3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b680462a-0f2e-4efa-b88a-209d749bb2e3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b680462a-0f2e-4efa-b88a-209d749bb2e3/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 a8726e54e507f4e5407a6f1ab8a73f56b359228a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:30:50,220 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:30:50,221 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:30:50,228 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:30:50,228 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:30:50,229 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:30:50,229 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:30:50,230 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:30:50,231 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:30:50,232 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:30:50,233 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:30:50,233 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:30:50,233 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:30:50,234 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:30:50,235 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:30:50,235 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:30:50,236 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:30:50,237 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:30:50,238 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:30:50,239 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:30:50,240 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:30:50,240 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:30:50,242 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:30:50,242 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:30:50,242 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:30:50,243 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:30:50,243 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:30:50,244 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:30:50,245 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:30:50,245 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:30:50,245 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:30:50,246 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:30:50,246 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:30:50,246 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:30:50,247 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:30:50,247 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:30:50,248 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b680462a-0f2e-4efa-b88a-209d749bb2e3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 10:30:50,257 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:30:50,258 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:30:50,258 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:30:50,258 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:30:50,259 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:30:50,259 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:30:50,259 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:30:50,259 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:30:50,259 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:30:50,259 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:30:50,260 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:30:50,260 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:30:50,260 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:30:50,260 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:30:50,260 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:30:50,260 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:30:50,260 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:30:50,260 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:30:50,261 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:30:50,261 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:30:50,261 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:30:50,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:30:50,261 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:30:50,261 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:30:50,261 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:30:50,262 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:30:50,262 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:30:50,262 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:30:50,262 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_b680462a-0f2e-4efa-b88a-209d749bb2e3/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 -> a8726e54e507f4e5407a6f1ab8a73f56b359228a [2018-11-10 10:30:50,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:30:50,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:30:50,296 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:30:50,297 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:30:50,297 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:30:50,297 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b680462a-0f2e-4efa-b88a-209d749bb2e3/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c [2018-11-10 10:30:50,333 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b680462a-0f2e-4efa-b88a-209d749bb2e3/bin-2019/ukojak/data/ed6e86d33/d5627cd7aa9a494ab4a039e6f015812c/FLAGf4ba89e5c [2018-11-10 10:30:50,778 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:30:50,779 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b680462a-0f2e-4efa-b88a-209d749bb2e3/sv-benchmarks/c/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c [2018-11-10 10:30:50,787 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b680462a-0f2e-4efa-b88a-209d749bb2e3/bin-2019/ukojak/data/ed6e86d33/d5627cd7aa9a494ab4a039e6f015812c/FLAGf4ba89e5c [2018-11-10 10:30:50,799 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b680462a-0f2e-4efa-b88a-209d749bb2e3/bin-2019/ukojak/data/ed6e86d33/d5627cd7aa9a494ab4a039e6f015812c [2018-11-10 10:30:50,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:30:50,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:30:50,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:30:50,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:30:50,807 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:30:50,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:30:50" (1/1) ... [2018-11-10 10:30:50,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:50, skipping insertion in model container [2018-11-10 10:30:50,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:30:50" (1/1) ... [2018-11-10 10:30:50,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:30:50,849 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:30:51,081 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:30:51,084 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:30:51,150 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:30:51,164 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:30:51,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:51 WrapperNode [2018-11-10 10:30:51,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:30:51,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:30:51,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:30:51,165 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:30:51,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:51" (1/1) ... [2018-11-10 10:30:51,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:51" (1/1) ... [2018-11-10 10:30:51,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:30:51,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:30:51,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:30:51,272 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:30:51,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:51" (1/1) ... [2018-11-10 10:30:51,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:51" (1/1) ... [2018-11-10 10:30:51,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:51" (1/1) ... [2018-11-10 10:30:51,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:51" (1/1) ... [2018-11-10 10:30:51,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:51" (1/1) ... [2018-11-10 10:30:51,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:51" (1/1) ... [2018-11-10 10:30:51,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:51" (1/1) ... [2018-11-10 10:30:51,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:30:51,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:30:51,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:30:51,316 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:30:51,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b680462a-0f2e-4efa-b88a-209d749bb2e3/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 [2018-11-10 10:30:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 10:30:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:30:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:30:52,874 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:30:52,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:30:52 BoogieIcfgContainer [2018-11-10 10:30:52,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:30:52,875 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:30:52,875 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:30:52,883 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:30:52,883 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:30:52" (1/1) ... [2018-11-10 10:30:52,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:30:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:52,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-10 10:30:52,916 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-10 10:30:52,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 10:30:52,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:53,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:53,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:53,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 165 states and 253 transitions. [2018-11-10 10:30:53,628 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 253 transitions. [2018-11-10 10:30:53,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 10:30:53,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:53,753 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:54,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:54,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 244 states and 344 transitions. [2018-11-10 10:30:54,143 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 344 transitions. [2018-11-10 10:30:54,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-10 10:30:54,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:54,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:54,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 324 states and 429 transitions. [2018-11-10 10:30:54,696 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 429 transitions. [2018-11-10 10:30:54,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-10 10:30:54,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:54,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:54,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 334 states and 442 transitions. [2018-11-10 10:30:54,802 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 442 transitions. [2018-11-10 10:30:54,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-10 10:30:54,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:54,835 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:54,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 339 states and 447 transitions. [2018-11-10 10:30:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 447 transitions. [2018-11-10 10:30:54,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-10 10:30:54,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:54,908 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:30:55,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:55,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 353 states and 465 transitions. [2018-11-10 10:30:55,080 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 465 transitions. [2018-11-10 10:30:55,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-10 10:30:55,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:55,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:55,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 372 states and 489 transitions. [2018-11-10 10:30:55,370 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 489 transitions. [2018-11-10 10:30:55,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 10:30:55,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:55,396 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:30:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:55,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 373 states and 492 transitions. [2018-11-10 10:30:55,560 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 492 transitions. [2018-11-10 10:30:55,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 10:30:55,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:55,589 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:30:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:55,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 383 states and 503 transitions. [2018-11-10 10:30:55,774 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 503 transitions. [2018-11-10 10:30:55,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-10 10:30:55,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:30:55,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:55,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 388 states and 508 transitions. [2018-11-10 10:30:55,833 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 508 transitions. [2018-11-10 10:30:55,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 10:30:55,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:55,860 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:56,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 393 states and 516 transitions. [2018-11-10 10:30:56,021 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 516 transitions. [2018-11-10 10:30:56,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 10:30:56,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:56,041 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:56,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:56,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 412 states and 538 transitions. [2018-11-10 10:30:56,278 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 538 transitions. [2018-11-10 10:30:56,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-10 10:30:56,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:56,394 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:56,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:56,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 432 states and 560 transitions. [2018-11-10 10:30:56,629 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 560 transitions. [2018-11-10 10:30:56,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-10 10:30:56,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:56,659 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 458 states and 591 transitions. [2018-11-10 10:30:57,084 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 591 transitions. [2018-11-10 10:30:57,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-10 10:30:57,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:57,157 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 10:30:57,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:57,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 463 states and 598 transitions. [2018-11-10 10:30:57,432 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 598 transitions. [2018-11-10 10:30:57,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-10 10:30:57,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:58,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:58,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 497 states and 643 transitions. [2018-11-10 10:30:58,846 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 643 transitions. [2018-11-10 10:30:58,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 10:30:58,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:58,870 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:59,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 505 states and 653 transitions. [2018-11-10 10:30:59,218 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 653 transitions. [2018-11-10 10:30:59,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 10:30:59,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:59,243 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:59,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:59,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 513 states and 660 transitions. [2018-11-10 10:30:59,463 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 660 transitions. [2018-11-10 10:30:59,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-10 10:30:59,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:59,546 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:59,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:59,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 532 states and 682 transitions. [2018-11-10 10:30:59,938 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 682 transitions. [2018-11-10 10:30:59,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 10:30:59,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:59,963 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:59,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:59,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 533 states and 683 transitions. [2018-11-10 10:30:59,977 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 683 transitions. [2018-11-10 10:30:59,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 10:30:59,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:00,095 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:00,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:00,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 547 states and 706 transitions. [2018-11-10 10:31:00,392 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 706 transitions. [2018-11-10 10:31:00,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 10:31:00,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:00,413 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 10:31:00,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:00,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 554 states and 714 transitions. [2018-11-10 10:31:00,488 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 714 transitions. [2018-11-10 10:31:00,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 10:31:00,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:00,504 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:31:00,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:00,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 569 states and 734 transitions. [2018-11-10 10:31:00,731 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 734 transitions. [2018-11-10 10:31:00,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 10:31:00,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:00,750 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:01,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:01,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 596 states and 768 transitions. [2018-11-10 10:31:01,508 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 768 transitions. [2018-11-10 10:31:01,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-10 10:31:01,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:01,567 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:01,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 604 states and 778 transitions. [2018-11-10 10:31:01,976 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 778 transitions. [2018-11-10 10:31:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-10 10:31:01,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:02,473 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:03,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 647 states and 828 transitions. [2018-11-10 10:31:03,739 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 828 transitions. [2018-11-10 10:31:03,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-10 10:31:03,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:03,764 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:31:04,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:04,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 680 states and 869 transitions. [2018-11-10 10:31:04,446 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 869 transitions. [2018-11-10 10:31:04,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-10 10:31:04,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:04,468 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:04,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:04,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 713 states and 904 transitions. [2018-11-10 10:31:04,775 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 904 transitions. [2018-11-10 10:31:04,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 10:31:04,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:04,875 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:05,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:05,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 729 states and 925 transitions. [2018-11-10 10:31:05,378 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 925 transitions. [2018-11-10 10:31:05,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 10:31:05,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 10:31:05,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:05,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 734 states and 930 transitions. [2018-11-10 10:31:05,550 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 930 transitions. [2018-11-10 10:31:05,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 10:31:05,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:31:05,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:05,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 735 states and 931 transitions. [2018-11-10 10:31:05,622 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 931 transitions. [2018-11-10 10:31:05,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 10:31:05,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:05,735 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:06,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:06,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 756 states and 970 transitions. [2018-11-10 10:31:06,627 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 970 transitions. [2018-11-10 10:31:06,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 10:31:06,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:06,657 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:06,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 767 states and 983 transitions. [2018-11-10 10:31:06,953 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 983 transitions. [2018-11-10 10:31:06,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 10:31:06,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:07,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:07,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 770 states and 989 transitions. [2018-11-10 10:31:07,224 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 989 transitions. [2018-11-10 10:31:07,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 10:31:07,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:07,246 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:07,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:07,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 778 states and 997 transitions. [2018-11-10 10:31:07,445 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 997 transitions. [2018-11-10 10:31:07,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 10:31:07,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 10:31:08,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 824 states and 1058 transitions. [2018-11-10 10:31:08,700 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1058 transitions. [2018-11-10 10:31:08,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 10:31:08,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:08,793 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 10:31:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 843 states and 1081 transitions. [2018-11-10 10:31:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1081 transitions. [2018-11-10 10:31:09,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 10:31:09,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:09,428 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:10,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:10,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 860 states and 1108 transitions. [2018-11-10 10:31:10,239 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1108 transitions. [2018-11-10 10:31:10,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 10:31:10,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:10,313 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:10,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:10,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 874 states and 1123 transitions. [2018-11-10 10:31:10,599 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1123 transitions. [2018-11-10 10:31:10,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 10:31:10,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:11,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:11,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 885 states and 1134 transitions. [2018-11-10 10:31:11,085 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1134 transitions. [2018-11-10 10:31:11,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 10:31:11,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:11,106 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:11,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:11,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 889 states and 1139 transitions. [2018-11-10 10:31:11,315 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1139 transitions. [2018-11-10 10:31:11,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 10:31:11,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:11,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:11,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 897 states and 1146 transitions. [2018-11-10 10:31:11,508 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1146 transitions. [2018-11-10 10:31:11,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 10:31:11,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:11,544 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 10:31:11,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:11,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 904 states and 1155 transitions. [2018-11-10 10:31:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1155 transitions. [2018-11-10 10:31:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 10:31:11,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:11,985 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:31:12,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:12,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 924 states and 1175 transitions. [2018-11-10 10:31:12,717 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1175 transitions. [2018-11-10 10:31:12,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-10 10:31:12,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 10:31:13,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:13,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 939 states and 1193 transitions. [2018-11-10 10:31:13,281 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1193 transitions. [2018-11-10 10:31:13,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-10 10:31:13,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:13,367 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-10 10:31:13,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 948 states and 1205 transitions. [2018-11-10 10:31:13,750 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1205 transitions. [2018-11-10 10:31:13,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-10 10:31:13,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-10 10:31:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:14,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 960 states and 1219 transitions. [2018-11-10 10:31:14,302 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1219 transitions. [2018-11-10 10:31:14,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-10 10:31:14,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:14,374 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-10 10:31:14,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:14,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 968 states and 1227 transitions. [2018-11-10 10:31:14,573 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1227 transitions. [2018-11-10 10:31:14,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-10 10:31:14,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:14,659 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-10 10:31:14,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 976 states and 1235 transitions. [2018-11-10 10:31:14,864 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1235 transitions. [2018-11-10 10:31:14,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 10:31:14,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:14,883 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:31:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:14,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 978 states and 1237 transitions. [2018-11-10 10:31:14,900 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1237 transitions. [2018-11-10 10:31:14,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 10:31:14,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:14,993 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:31:16,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:16,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1038 states and 1309 transitions. [2018-11-10 10:31:16,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1309 transitions. [2018-11-10 10:31:16,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-10 10:31:16,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:16,767 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 10:31:17,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:17,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1053 states and 1330 transitions. [2018-11-10 10:31:17,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1330 transitions. [2018-11-10 10:31:17,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-10 10:31:17,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:17,475 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 10:31:17,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:17,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1056 states and 1334 transitions. [2018-11-10 10:31:17,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1334 transitions. [2018-11-10 10:31:17,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 10:31:17,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:17,718 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 10:31:18,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:18,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1071 states and 1349 transitions. [2018-11-10 10:31:18,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1349 transitions. [2018-11-10 10:31:18,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-10 10:31:18,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:18,177 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:19,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1103 states and 1385 transitions. [2018-11-10 10:31:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1385 transitions. [2018-11-10 10:31:19,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-10 10:31:19,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:19,357 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:20,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:20,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1126 states and 1410 transitions. [2018-11-10 10:31:20,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1410 transitions. [2018-11-10 10:31:20,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 10:31:20,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:20,130 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:20,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:20,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1128 states and 1413 transitions. [2018-11-10 10:31:20,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1413 transitions. [2018-11-10 10:31:20,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 10:31:20,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:20,171 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1160 states and 1449 transitions. [2018-11-10 10:31:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1449 transitions. [2018-11-10 10:31:20,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-10 10:31:20,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:21,008 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:22,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:22,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1193 states and 1491 transitions. [2018-11-10 10:31:22,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1491 transitions. [2018-11-10 10:31:22,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-10 10:31:22,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:22,077 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:23,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:23,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1215 states and 1517 transitions. [2018-11-10 10:31:23,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1517 transitions. [2018-11-10 10:31:23,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-10 10:31:23,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:23,157 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:23,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:23,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1227 states and 1531 transitions. [2018-11-10 10:31:23,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1531 transitions. [2018-11-10 10:31:23,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-10 10:31:23,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:23,864 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:24,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1237 states and 1541 transitions. [2018-11-10 10:31:24,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1541 transitions. [2018-11-10 10:31:24,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-10 10:31:24,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:24,140 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:24,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:24,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1242 states and 1551 transitions. [2018-11-10 10:31:24,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1551 transitions. [2018-11-10 10:31:24,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-10 10:31:24,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:24,911 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:31:24,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1251 states and 1560 transitions. [2018-11-10 10:31:24,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1560 transitions. [2018-11-10 10:31:24,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 10:31:24,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:24,994 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-10 10:31:25,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:25,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1255 states and 1564 transitions. [2018-11-10 10:31:25,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1564 transitions. [2018-11-10 10:31:25,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 10:31:25,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:25,257 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-10 10:31:25,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:25,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1262 states and 1574 transitions. [2018-11-10 10:31:25,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1574 transitions. [2018-11-10 10:31:25,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 10:31:25,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:25,602 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:25,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:25,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1267 states and 1580 transitions. [2018-11-10 10:31:25,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1580 transitions. [2018-11-10 10:31:25,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 10:31:25,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:26,049 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:26,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1290 states and 1605 transitions. [2018-11-10 10:31:26,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1605 transitions. [2018-11-10 10:31:26,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 10:31:26,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:26,811 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:27,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:27,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1308 states and 1624 transitions. [2018-11-10 10:31:27,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1624 transitions. [2018-11-10 10:31:27,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 10:31:27,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:27,713 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:28,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:28,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1329 states and 1647 transitions. [2018-11-10 10:31:28,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1647 transitions. [2018-11-10 10:31:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 10:31:28,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:28,310 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:31:28,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:28,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1355 states and 1677 transitions. [2018-11-10 10:31:28,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1677 transitions. [2018-11-10 10:31:28,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 10:31:28,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:28,903 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:31:29,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:29,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1358 states and 1684 transitions. [2018-11-10 10:31:29,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1684 transitions. [2018-11-10 10:31:29,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-10 10:31:29,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 10:31:29,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:29,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1362 states and 1688 transitions. [2018-11-10 10:31:29,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1688 transitions. [2018-11-10 10:31:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-10 10:31:29,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:29,225 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:29,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1379 states and 1707 transitions. [2018-11-10 10:31:29,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1707 transitions. [2018-11-10 10:31:29,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 10:31:29,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:30,477 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 10:31:33,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:33,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 1442 states and 1772 transitions. [2018-11-10 10:31:33,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1772 transitions. [2018-11-10 10:31:33,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-10 10:31:33,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 10:31:34,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:34,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1463 states and 1801 transitions. [2018-11-10 10:31:34,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1801 transitions. [2018-11-10 10:31:34,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-10 10:31:34,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:34,525 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 10:31:35,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:35,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1483 states and 1821 transitions. [2018-11-10 10:31:35,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1821 transitions. [2018-11-10 10:31:35,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-10 10:31:35,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:35,318 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 10:31:35,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:35,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1499 states and 1838 transitions. [2018-11-10 10:31:35,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1838 transitions. [2018-11-10 10:31:35,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 10:31:35,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:36,476 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:31:39,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:39,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1568 states and 1906 transitions. [2018-11-10 10:31:39,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 1906 transitions. [2018-11-10 10:31:39,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 10:31:39,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:39,424 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:40,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:40,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1595 states and 1934 transitions. [2018-11-10 10:31:40,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 1934 transitions. [2018-11-10 10:31:40,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 10:31:40,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:40,404 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:40,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:40,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1597 states and 1938 transitions. [2018-11-10 10:31:40,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1938 transitions. [2018-11-10 10:31:40,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 10:31:40,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:40,549 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:40,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:40,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1598 states and 1938 transitions. [2018-11-10 10:31:40,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 1938 transitions. [2018-11-10 10:31:40,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-10 10:31:40,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:40,871 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 10:31:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:41,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1621 states and 1964 transitions. [2018-11-10 10:31:41,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 1964 transitions. [2018-11-10 10:31:41,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-10 10:31:41,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:41,365 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:42,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:42,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1651 states and 1997 transitions. [2018-11-10 10:31:42,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 1997 transitions. [2018-11-10 10:31:42,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-10 10:31:42,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:43,025 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:31:43,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:43,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 1661 states and 2008 transitions. [2018-11-10 10:31:43,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 2008 transitions. [2018-11-10 10:31:43,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 10:31:43,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:43,343 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 10:31:44,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:44,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 1684 states and 2034 transitions. [2018-11-10 10:31:44,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2034 transitions. [2018-11-10 10:31:44,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 10:31:44,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:44,162 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 10:31:44,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 1693 states and 2043 transitions. [2018-11-10 10:31:44,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2043 transitions. [2018-11-10 10:31:44,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 10:31:44,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:44,482 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 10:31:45,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 1704 states and 2055 transitions. [2018-11-10 10:31:45,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2055 transitions. [2018-11-10 10:31:45,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 10:31:45,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:45,080 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 10:31:45,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:45,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 1713 states and 2064 transitions. [2018-11-10 10:31:45,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2064 transitions. [2018-11-10 10:31:45,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 10:31:45,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:45,368 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-10 10:31:45,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:45,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 1740 states and 2092 transitions. [2018-11-10 10:31:45,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2092 transitions. [2018-11-10 10:31:45,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 10:31:45,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:45,737 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 10:31:45,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:45,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 1767 states and 2120 transitions. [2018-11-10 10:31:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2120 transitions. [2018-11-10 10:31:45,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 10:31:45,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 10:31:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:46,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 1768 states and 2120 transitions. [2018-11-10 10:31:46,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 2120 transitions. [2018-11-10 10:31:46,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 10:31:46,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:46,092 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 10:31:46,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:46,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 1773 states and 2126 transitions. [2018-11-10 10:31:46,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2126 transitions. [2018-11-10 10:31:46,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-10 10:31:46,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:31:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 1793 states and 2148 transitions. [2018-11-10 10:31:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2148 transitions. [2018-11-10 10:31:47,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-10 10:31:47,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:47,653 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 10:31:47,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:47,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 1801 states and 2155 transitions. [2018-11-10 10:31:47,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2155 transitions. [2018-11-10 10:31:47,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 10:31:47,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:47,966 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 10:31:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:48,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1822 states and 2177 transitions. [2018-11-10 10:31:48,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2177 transitions. [2018-11-10 10:31:48,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 10:31:48,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:48,631 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 10:31:49,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:49,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 1833 states and 2188 transitions. [2018-11-10 10:31:49,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2188 transitions. [2018-11-10 10:31:49,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 10:31:49,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:49,189 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 10:31:49,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:49,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1852 states and 2207 transitions. [2018-11-10 10:31:49,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2207 transitions. [2018-11-10 10:31:49,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 10:31:49,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 10:31:49,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:49,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1853 states and 2207 transitions. [2018-11-10 10:31:49,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2207 transitions. [2018-11-10 10:31:49,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-10 10:31:49,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:49,573 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-10 10:31:50,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:50,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 1858 states and 2214 transitions. [2018-11-10 10:31:50,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2214 transitions. [2018-11-10 10:31:50,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 10:31:50,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:51,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 1907 states and 2272 transitions. [2018-11-10 10:31:51,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2272 transitions. [2018-11-10 10:31:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 10:31:51,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:51,566 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:51,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:51,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 1918 states and 2282 transitions. [2018-11-10 10:31:51,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2282 transitions. [2018-11-10 10:31:51,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 10:31:51,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:52,003 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:31:52,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:52,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2298 states to 1933 states and 2298 transitions. [2018-11-10 10:31:52,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 2298 transitions. [2018-11-10 10:31:52,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 10:31:52,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:52,495 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 10:31:53,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:53,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 1947 states and 2316 transitions. [2018-11-10 10:31:53,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2316 transitions. [2018-11-10 10:31:53,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 10:31:53,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:53,278 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:31:53,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:53,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 1974 states and 2347 transitions. [2018-11-10 10:31:53,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2347 transitions. [2018-11-10 10:31:53,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 10:31:53,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:53,923 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:31:54,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:54,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 1982 states and 2356 transitions. [2018-11-10 10:31:54,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 2356 transitions. [2018-11-10 10:31:54,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 10:31:54,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:54,283 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:31:54,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:54,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 1983 states and 2356 transitions. [2018-11-10 10:31:54,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2356 transitions. [2018-11-10 10:31:54,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-10 10:31:54,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:54,635 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 117 proven. 17 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 10:31:54,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:54,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 1984 states and 2356 transitions. [2018-11-10 10:31:54,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2356 transitions. [2018-11-10 10:31:54,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-10 10:31:54,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-10 10:31:54,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:54,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 1985 states and 2356 transitions. [2018-11-10 10:31:54,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2356 transitions. [2018-11-10 10:31:54,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 10:31:54,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 10:31:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:56,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2083 states and 2458 transitions. [2018-11-10 10:31:56,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2458 transitions. [2018-11-10 10:31:56,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 10:31:56,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:56,337 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 10:31:56,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:56,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2093 states and 2469 transitions. [2018-11-10 10:31:56,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2469 transitions. [2018-11-10 10:31:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 10:31:56,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 10:31:57,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:57,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 2094 states and 2470 transitions. [2018-11-10 10:31:57,178 INFO L276 IsEmpty]: Start isEmpty. Operand 2094 states and 2470 transitions. [2018-11-10 10:31:57,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 10:31:57,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 10:31:57,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:31:57,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 2109 states and 2484 transitions. [2018-11-10 10:31:57,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2484 transitions. [2018-11-10 10:31:57,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-10 10:31:57,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:31:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:31:58,813 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 10:32:02,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:02,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2167 states and 2546 transitions. [2018-11-10 10:32:02,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2546 transitions. [2018-11-10 10:32:02,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-10 10:32:02,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 10:32:03,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:03,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2199 states and 2578 transitions. [2018-11-10 10:32:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2199 states and 2578 transitions. [2018-11-10 10:32:03,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-10 10:32:03,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:03,881 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 10:32:04,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:04,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2217 states and 2594 transitions. [2018-11-10 10:32:04,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 2594 transitions. [2018-11-10 10:32:04,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 10:32:04,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:04,464 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 10:32:07,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:07,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2262 states and 2649 transitions. [2018-11-10 10:32:07,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2649 transitions. [2018-11-10 10:32:07,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 10:32:07,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 10:32:09,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:09,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 2285 states and 2678 transitions. [2018-11-10 10:32:09,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2285 states and 2678 transitions. [2018-11-10 10:32:09,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 10:32:09,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 10:32:10,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:10,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2300 states and 2694 transitions. [2018-11-10 10:32:10,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 2694 transitions. [2018-11-10 10:32:10,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 10:32:10,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:10,609 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 10:32:10,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:10,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2301 states and 2694 transitions. [2018-11-10 10:32:10,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2694 transitions. [2018-11-10 10:32:10,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 10:32:10,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:10,987 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 10:32:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:11,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 2309 states and 2703 transitions. [2018-11-10 10:32:11,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2703 transitions. [2018-11-10 10:32:11,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 10:32:11,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:11,383 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 10:32:11,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:11,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2310 states and 2704 transitions. [2018-11-10 10:32:11,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 2704 transitions. [2018-11-10 10:32:11,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 10:32:11,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:11,764 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 10:32:13,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:13,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2343 states and 2737 transitions. [2018-11-10 10:32:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 2737 transitions. [2018-11-10 10:32:13,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-10 10:32:13,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:13,513 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 10:32:14,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:14,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2358 states and 2753 transitions. [2018-11-10 10:32:14,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 2753 transitions. [2018-11-10 10:32:14,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-10 10:32:14,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:14,750 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:32:15,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:15,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2396 states and 2794 transitions. [2018-11-10 10:32:15,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 2794 transitions. [2018-11-10 10:32:15,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-10 10:32:15,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:15,962 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:32:16,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:16,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2404 states and 2801 transitions. [2018-11-10 10:32:16,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 2801 transitions. [2018-11-10 10:32:16,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-10 10:32:16,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:16,483 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:32:17,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:17,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 2437 states and 2832 transitions. [2018-11-10 10:32:17,704 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 2832 transitions. [2018-11-10 10:32:17,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-10 10:32:17,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:17,787 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:32:18,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:18,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2446 states and 2841 transitions. [2018-11-10 10:32:18,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 2841 transitions. [2018-11-10 10:32:18,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-10 10:32:18,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:18,778 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:32:19,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:19,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2458 states and 2855 transitions. [2018-11-10 10:32:19,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 2855 transitions. [2018-11-10 10:32:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-10 10:32:19,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:19,606 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-10 10:32:20,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:20,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 2465 states and 2863 transitions. [2018-11-10 10:32:20,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 2863 transitions. [2018-11-10 10:32:20,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-10 10:32:20,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:20,422 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 143 proven. 10 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:32:20,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:20,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 2466 states and 2863 transitions. [2018-11-10 10:32:20,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2466 states and 2863 transitions. [2018-11-10 10:32:20,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-10 10:32:20,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:20,549 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 143 proven. 10 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:32:20,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:20,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 2467 states and 2863 transitions. [2018-11-10 10:32:20,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 2863 transitions. [2018-11-10 10:32:20,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-10 10:32:20,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:20,809 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-10 10:32:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:20,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2868 states to 2472 states and 2868 transitions. [2018-11-10 10:32:20,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 2868 transitions. [2018-11-10 10:32:20,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-10 10:32:20,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:20,916 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 10:32:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:21,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2475 states and 2871 transitions. [2018-11-10 10:32:21,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 2871 transitions. [2018-11-10 10:32:21,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-10 10:32:21,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:21,541 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 10:32:21,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:21,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2484 states and 2879 transitions. [2018-11-10 10:32:21,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 2879 transitions. [2018-11-10 10:32:21,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-10 10:32:21,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:21,946 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 10:32:22,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:22,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2493 states and 2887 transitions. [2018-11-10 10:32:22,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2887 transitions. [2018-11-10 10:32:22,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-10 10:32:22,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:22,450 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 10:32:22,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:22,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2501 states and 2893 transitions. [2018-11-10 10:32:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 2893 transitions. [2018-11-10 10:32:22,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-10 10:32:22,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:23,006 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 10:32:23,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:23,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2508 states and 2900 transitions. [2018-11-10 10:32:23,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 2900 transitions. [2018-11-10 10:32:23,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-10 10:32:23,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:32:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:32:23,437 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 150 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 10:32:23,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:32:23,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2431 states and 2812 transitions. [2018-11-10 10:32:23,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 2812 transitions. [2018-11-10 10:32:23,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:32:23,791 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 140 iterations. [2018-11-10 10:32:23,798 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 10:32:23,943 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 36 [2018-11-10 10:32:24,269 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 11 [2018-11-10 10:32:25,861 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2018-11-10 10:32:26,809 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 36 [2018-11-10 10:32:27,080 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 11 [2018-11-10 10:32:27,435 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 11 [2018-11-10 10:32:28,284 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 36 [2018-11-10 10:32:28,862 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 36 [2018-11-10 10:32:29,016 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:32:29,018 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 10:32:29,024 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 10:32:29,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:32:29 ImpRootNode [2018-11-10 10:32:29,024 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:32:29,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:32:29,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:32:29,025 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:32:29,025 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:30:52" (3/4) ... [2018-11-10 10:32:29,028 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:32:29,042 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-10 10:32:29,043 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 10:32:29,044 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 10:32:29,045 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 10:32:29,139 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b680462a-0f2e-4efa-b88a-209d749bb2e3/bin-2019/ukojak/witness.graphml [2018-11-10 10:32:29,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:32:29,140 INFO L168 Benchmark]: Toolchain (without parser) took 98337.33 ms. Allocated memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 957.5 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-10 10:32:29,140 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:32:29,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.07 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 916.2 MB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:32:29,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -254.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:32:29,141 INFO L168 Benchmark]: Boogie Preprocessor took 43.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:32:29,141 INFO L168 Benchmark]: RCFGBuilder took 1559.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 920.6 MB in the end (delta: 245.4 MB). Peak memory consumption was 245.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:32:29,142 INFO L168 Benchmark]: CodeCheck took 96149.05 ms. Allocated memory was 1.2 GB in the beginning and 3.4 GB in the end (delta: 2.2 GB). Free memory was 920.6 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-11-10 10:32:29,142 INFO L168 Benchmark]: Witness Printer took 114.44 ms. Allocated memory is still 3.4 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 23.6 kB). Peak memory consumption was 23.6 kB. Max. memory is 11.5 GB. [2018-11-10 10:32:29,144 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, 90.8s OverallTime, 140 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2013134844 SDtfs, 880225400 SDslu, 940444192 SDs, 0 SdLazy, 501331794 SolverSat, 243796686 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 468.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 152031 GetRequests, 149491 SyntacticMatches, 1308 SemanticMatches, 1232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004090 ImplicationChecksByTransitivity, 75.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 22548 NumberOfCodeBlocks, 22548 NumberOfCodeBlocksAsserted, 139 NumberOfCheckSat, 22409 ConstructedInterpolants, 0 QuantifiedInterpolants, 12191234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 139 InterpolantComputations, 121 PerfectInterpolantSequences, 16228/16331 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: 472]: 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: (a25 == 1 || !(a28 == 8)) || !(a19 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (a25 == 1 || !(a28 == 8)) || !(a19 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.07 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 916.2 MB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 106.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -254.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1559.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 920.6 MB in the end (delta: 245.4 MB). Peak memory consumption was 245.4 MB. Max. memory is 11.5 GB. * CodeCheck took 96149.05 ms. Allocated memory was 1.2 GB in the beginning and 3.4 GB in the end (delta: 2.2 GB). Free memory was 920.6 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 114.44 ms. Allocated memory is still 3.4 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 23.6 kB). Peak memory consumption was 23.6 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...