./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label02_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_63ce3185-e611-42f8-85ef-a6aa7fd8b0de/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_63ce3185-e611-42f8-85ef-a6aa7fd8b0de/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_63ce3185-e611-42f8-85ef-a6aa7fd8b0de/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_63ce3185-e611-42f8-85ef-a6aa7fd8b0de/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_63ce3185-e611-42f8-85ef-a6aa7fd8b0de/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_63ce3185-e611-42f8-85ef-a6aa7fd8b0de/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 addc9e4e4fc897318cfe4d26c9760729a73864e1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 05:57:30,492 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:57:30,493 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:57:30,501 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:57:30,501 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:57:30,502 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:57:30,502 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:57:30,503 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:57:30,504 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:57:30,505 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:57:30,505 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:57:30,506 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:57:30,506 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:57:30,507 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:57:30,507 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:57:30,508 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:57:30,508 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:57:30,510 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:57:30,511 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:57:30,512 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:57:30,512 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:57:30,513 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:57:30,515 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:57:30,515 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:57:30,515 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:57:30,516 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:57:30,516 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:57:30,517 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:57:30,517 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:57:30,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:57:30,518 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:57:30,519 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:57:30,519 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:57:30,519 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:57:30,519 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:57:30,520 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:57:30,520 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_63ce3185-e611-42f8-85ef-a6aa7fd8b0de/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:57:30,529 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:57:30,530 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:57:30,530 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:57:30,530 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:57:30,531 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:57:30,531 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:57:30,531 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:57:30,531 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:57:30,531 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:57:30,531 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:57:30,531 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:57:30,532 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:57:30,532 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:57:30,532 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:57:30,532 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:57:30,532 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:57:30,532 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:57:30,532 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:57:30,532 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:57:30,533 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:57:30,533 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:57:30,533 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:57:30,533 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:57:30,533 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:57:30,533 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:57:30,533 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:57:30,533 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:57:30,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:57:30,534 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_63ce3185-e611-42f8-85ef-a6aa7fd8b0de/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 -> addc9e4e4fc897318cfe4d26c9760729a73864e1 [2018-11-10 05:57:30,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:57:30,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:57:30,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:57:30,569 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:57:30,569 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:57:30,569 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_63ce3185-e611-42f8-85ef-a6aa7fd8b0de/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-11-10 05:57:30,602 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_63ce3185-e611-42f8-85ef-a6aa7fd8b0de/bin-2019/ukojak/data/b0536a852/5b089faeaefe462aae691e03dc66d442/FLAG8c60275e5 [2018-11-10 05:57:31,038 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:57:31,038 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_63ce3185-e611-42f8-85ef-a6aa7fd8b0de/sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-11-10 05:57:31,047 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_63ce3185-e611-42f8-85ef-a6aa7fd8b0de/bin-2019/ukojak/data/b0536a852/5b089faeaefe462aae691e03dc66d442/FLAG8c60275e5 [2018-11-10 05:57:31,058 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_63ce3185-e611-42f8-85ef-a6aa7fd8b0de/bin-2019/ukojak/data/b0536a852/5b089faeaefe462aae691e03dc66d442 [2018-11-10 05:57:31,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:57:31,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:57:31,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:57:31,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:57:31,066 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:57:31,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:57:31" (1/1) ... [2018-11-10 05:57:31,069 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 05:57:31, skipping insertion in model container [2018-11-10 05:57:31,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:57:31" (1/1) ... [2018-11-10 05:57:31,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:57:31,107 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:57:31,345 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:57:31,348 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:57:31,411 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:57:31,421 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:57:31,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:31 WrapperNode [2018-11-10 05:57:31,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:57:31,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:57:31,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:57:31,422 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:57:31,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:31" (1/1) ... [2018-11-10 05:57:31,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:31" (1/1) ... [2018-11-10 05:57:31,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:57:31,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:57:31,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:57:31,527 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:57:31,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:31" (1/1) ... [2018-11-10 05:57:31,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:31" (1/1) ... [2018-11-10 05:57:31,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:31" (1/1) ... [2018-11-10 05:57:31,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:31" (1/1) ... [2018-11-10 05:57:31,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:31" (1/1) ... [2018-11-10 05:57:31,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:31" (1/1) ... [2018-11-10 05:57:31,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:31" (1/1) ... [2018-11-10 05:57:31,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:57:31,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:57:31,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:57:31,568 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:57:31,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_63ce3185-e611-42f8-85ef-a6aa7fd8b0de/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 05:57:31,619 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 05:57:31,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:57:31,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:57:32,802 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:57:32,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:57:32 BoogieIcfgContainer [2018-11-10 05:57:32,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:57:32,803 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:57:32,803 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:57:32,810 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:57:32,810 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:57:32" (1/1) ... [2018-11-10 05:57:32,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:57:32,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:32,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-10 05:57:32,845 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-10 05:57:32,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 05:57:32,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:33,071 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 05:57:33,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:33,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2018-11-10 05:57:33,470 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2018-11-10 05:57:33,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 05:57:33,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:33,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:57:33,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:33,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 148 states and 223 transitions. [2018-11-10 05:57:33,649 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2018-11-10 05:57:33,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-10 05:57:33,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:57:33,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:33,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 154 states and 233 transitions. [2018-11-10 05:57:33,803 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 233 transitions. [2018-11-10 05:57:33,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 05:57:33,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 05:57:34,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:34,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 232 states and 330 transitions. [2018-11-10 05:57:34,506 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 330 transitions. [2018-11-10 05:57:34,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 05:57:34,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:57:34,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 245 states and 347 transitions. [2018-11-10 05:57:34,777 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 347 transitions. [2018-11-10 05:57:34,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-10 05:57:34,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:34,804 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:57:34,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:34,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 246 states and 349 transitions. [2018-11-10 05:57:34,866 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 349 transitions. [2018-11-10 05:57:34,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-10 05:57:34,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:34,894 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:57:34,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:34,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 250 states and 354 transitions. [2018-11-10 05:57:34,977 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 354 transitions. [2018-11-10 05:57:34,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-10 05:57:34,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:35,026 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:57:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 252 states and 355 transitions. [2018-11-10 05:57:35,139 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 355 transitions. [2018-11-10 05:57:35,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 05:57:35,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:35,168 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 05:57:35,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:35,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 266 states and 371 transitions. [2018-11-10 05:57:35,365 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 371 transitions. [2018-11-10 05:57:35,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 05:57:35,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:35,391 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 05:57:35,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:35,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 269 states and 375 transitions. [2018-11-10 05:57:35,413 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 375 transitions. [2018-11-10 05:57:35,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 05:57:35,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:35,459 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 05:57:35,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:35,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 275 states and 381 transitions. [2018-11-10 05:57:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 381 transitions. [2018-11-10 05:57:35,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-10 05:57:35,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:35,560 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 05:57:35,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:35,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 276 states and 382 transitions. [2018-11-10 05:57:35,601 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 382 transitions. [2018-11-10 05:57:35,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 05:57:35,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:35,695 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 05:57:36,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:36,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 291 states and 402 transitions. [2018-11-10 05:57:36,070 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 402 transitions. [2018-11-10 05:57:36,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-10 05:57:36,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:36,146 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:57:36,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:36,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 317 states and 432 transitions. [2018-11-10 05:57:36,614 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 432 transitions. [2018-11-10 05:57:36,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 05:57:36,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:36,827 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:57:37,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:37,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 343 states and 462 transitions. [2018-11-10 05:57:37,471 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 462 transitions. [2018-11-10 05:57:37,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-10 05:57:37,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:37,562 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 05:57:38,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:38,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 354 states and 476 transitions. [2018-11-10 05:57:38,205 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 476 transitions. [2018-11-10 05:57:38,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 05:57:38,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:38,251 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:57:38,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:38,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 369 states and 493 transitions. [2018-11-10 05:57:38,438 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 493 transitions. [2018-11-10 05:57:38,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 05:57:38,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:38,470 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:57:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 371 states and 494 transitions. [2018-11-10 05:57:38,617 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 494 transitions. [2018-11-10 05:57:38,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 05:57:38,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:38,735 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:57:39,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:39,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 387 states and 514 transitions. [2018-11-10 05:57:39,261 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 514 transitions. [2018-11-10 05:57:39,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-10 05:57:39,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 05:57:39,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:39,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 401 states and 529 transitions. [2018-11-10 05:57:39,502 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 529 transitions. [2018-11-10 05:57:39,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 05:57:39,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 05:57:39,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:39,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 404 states and 533 transitions. [2018-11-10 05:57:39,648 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 533 transitions. [2018-11-10 05:57:39,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 05:57:39,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:39,680 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 05:57:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:39,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 413 states and 542 transitions. [2018-11-10 05:57:39,709 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 542 transitions. [2018-11-10 05:57:39,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-10 05:57:39,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:39,949 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 05:57:40,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:40,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 438 states and 570 transitions. [2018-11-10 05:57:40,645 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 570 transitions. [2018-11-10 05:57:40,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 05:57:40,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:40,677 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 05:57:40,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:40,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 440 states and 572 transitions. [2018-11-10 05:57:40,722 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 572 transitions. [2018-11-10 05:57:40,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 05:57:40,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:57:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:42,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 489 states and 628 transitions. [2018-11-10 05:57:42,143 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 628 transitions. [2018-11-10 05:57:42,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 05:57:42,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:42,267 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:57:42,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:42,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 496 states and 640 transitions. [2018-11-10 05:57:42,623 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 640 transitions. [2018-11-10 05:57:42,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 05:57:42,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:42,654 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:57:43,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:43,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 503 states and 650 transitions. [2018-11-10 05:57:43,054 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 650 transitions. [2018-11-10 05:57:43,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 05:57:43,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:57:43,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:43,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 509 states and 658 transitions. [2018-11-10 05:57:43,304 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 658 transitions. [2018-11-10 05:57:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 05:57:43,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:43,382 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:57:44,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:44,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 559 states and 717 transitions. [2018-11-10 05:57:44,866 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 717 transitions. [2018-11-10 05:57:44,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 05:57:44,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:57:45,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:45,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 580 states and 743 transitions. [2018-11-10 05:57:45,513 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 743 transitions. [2018-11-10 05:57:45,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 05:57:45,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:45,537 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:57:46,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:46,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 591 states and 755 transitions. [2018-11-10 05:57:46,083 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 755 transitions. [2018-11-10 05:57:46,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 05:57:46,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:46,112 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 05:57:46,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:46,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 596 states and 763 transitions. [2018-11-10 05:57:46,163 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 763 transitions. [2018-11-10 05:57:46,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 05:57:46,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:46,201 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 05:57:47,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:47,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 646 states and 819 transitions. [2018-11-10 05:57:47,229 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 819 transitions. [2018-11-10 05:57:47,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 05:57:47,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:47,377 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 05:57:48,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:48,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 656 states and 839 transitions. [2018-11-10 05:57:48,187 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 839 transitions. [2018-11-10 05:57:48,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 05:57:48,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:48,529 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 05:57:50,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 713 states and 906 transitions. [2018-11-10 05:57:50,867 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 906 transitions. [2018-11-10 05:57:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 05:57:50,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:50,933 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 05:57:51,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 733 states and 926 transitions. [2018-11-10 05:57:51,625 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 926 transitions. [2018-11-10 05:57:51,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 05:57:51,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:52,017 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:57:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 750 states and 948 transitions. [2018-11-10 05:57:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 948 transitions. [2018-11-10 05:57:53,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 05:57:53,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:53,376 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:57:54,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:54,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 775 states and 975 transitions. [2018-11-10 05:57:54,411 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 975 transitions. [2018-11-10 05:57:54,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 05:57:54,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:54,480 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-10 05:57:54,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 779 states and 978 transitions. [2018-11-10 05:57:54,661 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 978 transitions. [2018-11-10 05:57:54,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 05:57:54,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:55,030 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:57:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:56,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 849 states and 1058 transitions. [2018-11-10 05:57:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1058 transitions. [2018-11-10 05:57:56,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 05:57:56,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 05:57:57,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:57,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 866 states and 1076 transitions. [2018-11-10 05:57:57,026 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1076 transitions. [2018-11-10 05:57:57,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 05:57:57,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:57,062 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 05:57:57,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:57,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 869 states and 1080 transitions. [2018-11-10 05:57:57,114 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1080 transitions. [2018-11-10 05:57:57,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 05:57:57,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:57,153 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-10 05:57:57,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:57,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 870 states and 1081 transitions. [2018-11-10 05:57:57,175 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1081 transitions. [2018-11-10 05:57:57,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 05:57:57,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:57,213 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-10 05:57:57,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:57,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 871 states and 1081 transitions. [2018-11-10 05:57:57,296 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1081 transitions. [2018-11-10 05:57:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-10 05:57:57,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:57,461 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 05:57:58,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:58,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 882 states and 1096 transitions. [2018-11-10 05:57:58,095 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1096 transitions. [2018-11-10 05:57:58,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-10 05:57:58,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:58,147 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 05:57:58,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:58,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 883 states and 1096 transitions. [2018-11-10 05:57:58,252 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1096 transitions. [2018-11-10 05:57:58,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 05:57:58,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:58,491 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:57:59,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:57:59,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 905 states and 1123 transitions. [2018-11-10 05:57:59,738 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1123 transitions. [2018-11-10 05:57:59,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 05:57:59,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:57:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:57:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:58:00,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:00,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 920 states and 1142 transitions. [2018-11-10 05:58:00,591 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1142 transitions. [2018-11-10 05:58:00,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 05:58:00,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:00,716 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:58:00,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:00,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 923 states and 1144 transitions. [2018-11-10 05:58:00,838 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1144 transitions. [2018-11-10 05:58:00,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 05:58:00,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:00,875 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 05:58:00,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:00,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 925 states and 1146 transitions. [2018-11-10 05:58:00,930 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1146 transitions. [2018-11-10 05:58:00,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 05:58:00,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:01,258 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 94 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:58:02,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:02,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 959 states and 1189 transitions. [2018-11-10 05:58:02,508 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1189 transitions. [2018-11-10 05:58:02,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 05:58:02,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:58:03,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:03,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 975 states and 1210 transitions. [2018-11-10 05:58:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1210 transitions. [2018-11-10 05:58:03,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 05:58:03,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:03,679 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:58:04,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 981 states and 1217 transitions. [2018-11-10 05:58:04,114 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1217 transitions. [2018-11-10 05:58:04,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-10 05:58:04,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:04,238 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 05:58:04,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1005 states and 1244 transitions. [2018-11-10 05:58:04,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1244 transitions. [2018-11-10 05:58:04,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-10 05:58:04,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:04,982 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 05:58:05,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:05,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1007 states and 1246 transitions. [2018-11-10 05:58:05,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1246 transitions. [2018-11-10 05:58:05,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-10 05:58:05,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:05,208 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 05:58:05,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:05,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1008 states and 1246 transitions. [2018-11-10 05:58:05,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1246 transitions. [2018-11-10 05:58:05,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 05:58:05,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:05,446 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 05:58:07,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:07,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1075 states and 1320 transitions. [2018-11-10 05:58:07,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1320 transitions. [2018-11-10 05:58:07,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 05:58:07,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:07,712 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:58:10,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1120 states and 1377 transitions. [2018-11-10 05:58:10,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1377 transitions. [2018-11-10 05:58:10,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 05:58:10,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:10,638 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:58:11,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:11,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1123 states and 1379 transitions. [2018-11-10 05:58:11,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1379 transitions. [2018-11-10 05:58:11,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-10 05:58:11,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:11,058 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 05:58:11,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1124 states and 1380 transitions. [2018-11-10 05:58:11,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1380 transitions. [2018-11-10 05:58:11,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 05:58:11,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:11,796 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:58:13,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:13,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1149 states and 1409 transitions. [2018-11-10 05:58:13,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1409 transitions. [2018-11-10 05:58:13,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 05:58:13,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:13,675 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:58:14,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:14,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1159 states and 1419 transitions. [2018-11-10 05:58:14,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1419 transitions. [2018-11-10 05:58:14,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-10 05:58:14,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:58:15,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:15,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1175 states and 1446 transitions. [2018-11-10 05:58:15,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1446 transitions. [2018-11-10 05:58:15,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-10 05:58:15,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:58:16,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:16,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1180 states and 1450 transitions. [2018-11-10 05:58:16,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1450 transitions. [2018-11-10 05:58:16,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 05:58:16,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:17,120 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:58:19,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:19,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1202 states and 1477 transitions. [2018-11-10 05:58:19,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1477 transitions. [2018-11-10 05:58:19,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 05:58:19,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:19,473 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 160 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:58:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:20,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1207 states and 1483 transitions. [2018-11-10 05:58:20,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1483 transitions. [2018-11-10 05:58:20,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 05:58:20,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:58:22,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:22,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1281 states and 1565 transitions. [2018-11-10 05:58:22,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1565 transitions. [2018-11-10 05:58:22,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 05:58:22,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:22,163 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:58:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1282 states and 1565 transitions. [2018-11-10 05:58:22,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1565 transitions. [2018-11-10 05:58:22,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-10 05:58:22,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-11-10 05:58:23,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:23,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1377 states and 1666 transitions. [2018-11-10 05:58:23,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1666 transitions. [2018-11-10 05:58:23,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 05:58:23,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:23,796 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 05:58:24,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:24,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1379 states and 1667 transitions. [2018-11-10 05:58:24,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1667 transitions. [2018-11-10 05:58:24,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 05:58:24,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:58:27,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:27,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1433 states and 1734 transitions. [2018-11-10 05:58:27,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1734 transitions. [2018-11-10 05:58:27,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 05:58:27,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:58:28,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1438 states and 1739 transitions. [2018-11-10 05:58:28,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1739 transitions. [2018-11-10 05:58:28,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 05:58:28,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:58:29,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:29,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1462 states and 1765 transitions. [2018-11-10 05:58:29,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1765 transitions. [2018-11-10 05:58:29,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 05:58:29,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:58:29,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:29,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1462 states and 1764 transitions. [2018-11-10 05:58:29,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1764 transitions. [2018-11-10 05:58:29,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-10 05:58:29,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:30,364 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 280 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:58:32,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:32,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1483 states and 1792 transitions. [2018-11-10 05:58:32,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1792 transitions. [2018-11-10 05:58:32,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-10 05:58:32,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:32,916 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-10 05:58:34,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1515 states and 1829 transitions. [2018-11-10 05:58:34,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1829 transitions. [2018-11-10 05:58:34,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-10 05:58:34,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:34,582 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-10 05:58:35,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:35,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1583 states and 1899 transitions. [2018-11-10 05:58:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1899 transitions. [2018-11-10 05:58:35,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-10 05:58:35,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:36,754 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-10 05:58:39,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:39,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1628 states and 1946 transitions. [2018-11-10 05:58:39,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 1946 transitions. [2018-11-10 05:58:39,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-10 05:58:39,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:39,496 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-10 05:58:39,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:39,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1631 states and 1949 transitions. [2018-11-10 05:58:39,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 1949 transitions. [2018-11-10 05:58:39,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-10 05:58:39,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-10 05:58:41,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:41,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1674 states and 1995 transitions. [2018-11-10 05:58:41,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 1995 transitions. [2018-11-10 05:58:41,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-10 05:58:41,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:41,104 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-10 05:58:41,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:41,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1676 states and 1997 transitions. [2018-11-10 05:58:41,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 1997 transitions. [2018-11-10 05:58:41,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-10 05:58:41,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:41,664 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 05:58:41,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1683 states and 2005 transitions. [2018-11-10 05:58:41,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2005 transitions. [2018-11-10 05:58:41,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-10 05:58:41,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:42,160 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 190 proven. 5 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-10 05:58:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:43,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 1759 states and 2093 transitions. [2018-11-10 05:58:43,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2093 transitions. [2018-11-10 05:58:43,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-10 05:58:43,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:43,157 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2018-11-10 05:58:43,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 1763 states and 2096 transitions. [2018-11-10 05:58:43,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2096 transitions. [2018-11-10 05:58:43,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 05:58:43,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:43,991 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 05:58:44,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:44,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 1764 states and 2098 transitions. [2018-11-10 05:58:44,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2098 transitions. [2018-11-10 05:58:44,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 05:58:44,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:44,864 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 05:58:45,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:45,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 1777 states and 2116 transitions. [2018-11-10 05:58:45,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2116 transitions. [2018-11-10 05:58:45,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 05:58:45,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:45,833 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 05:58:46,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:46,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 1782 states and 2120 transitions. [2018-11-10 05:58:46,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2120 transitions. [2018-11-10 05:58:46,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 05:58:46,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 05:58:49,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:49,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1816 states and 2154 transitions. [2018-11-10 05:58:49,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2154 transitions. [2018-11-10 05:58:49,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 05:58:49,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:49,895 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 05:58:53,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:53,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 1861 states and 2208 transitions. [2018-11-10 05:58:53,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2208 transitions. [2018-11-10 05:58:53,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 05:58:53,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:53,640 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 05:58:54,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:54,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 1886 states and 2235 transitions. [2018-11-10 05:58:54,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2235 transitions. [2018-11-10 05:58:54,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 05:58:54,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:55,280 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 05:58:56,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:58:56,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1898 states and 2249 transitions. [2018-11-10 05:58:56,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2249 transitions. [2018-11-10 05:58:56,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-10 05:58:56,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:58:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:58:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 05:59:01,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:01,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 1948 states and 2303 transitions. [2018-11-10 05:59:01,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2303 transitions. [2018-11-10 05:59:01,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-10 05:59:01,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:01,706 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 05:59:02,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:02,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 1951 states and 2305 transitions. [2018-11-10 05:59:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2305 transitions. [2018-11-10 05:59:02,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-10 05:59:02,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 320 proven. 14 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-10 05:59:05,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:05,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 2007 states and 2361 transitions. [2018-11-10 05:59:05,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2361 transitions. [2018-11-10 05:59:05,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-10 05:59:05,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:06,493 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 05:59:08,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:08,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 2032 states and 2386 transitions. [2018-11-10 05:59:08,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2386 transitions. [2018-11-10 05:59:08,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-10 05:59:08,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 05:59:10,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:10,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2064 states and 2418 transitions. [2018-11-10 05:59:10,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 2418 transitions. [2018-11-10 05:59:10,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-10 05:59:10,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:10,695 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 05:59:11,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:11,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2069 states and 2423 transitions. [2018-11-10 05:59:11,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2423 transitions. [2018-11-10 05:59:11,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-10 05:59:11,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:11,857 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 05:59:12,254 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-11-10 05:59:15,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:15,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 2103 states and 2459 transitions. [2018-11-10 05:59:15,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2459 transitions. [2018-11-10 05:59:15,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-10 05:59:15,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 05:59:16,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:16,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2108 states and 2464 transitions. [2018-11-10 05:59:16,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 2464 transitions. [2018-11-10 05:59:16,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-10 05:59:16,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:16,881 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 350 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 05:59:17,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:17,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 2110 states and 2466 transitions. [2018-11-10 05:59:17,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2466 transitions. [2018-11-10 05:59:17,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-10 05:59:17,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:17,386 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 296 proven. 6 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-11-10 05:59:17,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:17,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2117 states and 2474 transitions. [2018-11-10 05:59:17,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 2474 transitions. [2018-11-10 05:59:17,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-10 05:59:17,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:17,706 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-10 05:59:18,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:18,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2137 states and 2498 transitions. [2018-11-10 05:59:18,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 2498 transitions. [2018-11-10 05:59:18,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-10 05:59:18,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:20,163 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 440 proven. 5 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-10 05:59:28,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:28,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2259 states and 2647 transitions. [2018-11-10 05:59:28,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2647 transitions. [2018-11-10 05:59:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-10 05:59:28,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:28,382 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-10 05:59:28,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:28,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2260 states and 2647 transitions. [2018-11-10 05:59:28,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 2647 transitions. [2018-11-10 05:59:28,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-10 05:59:28,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:28,506 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2018-11-10 05:59:28,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:28,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2268 states and 2656 transitions. [2018-11-10 05:59:28,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 2656 transitions. [2018-11-10 05:59:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-11-10 05:59:28,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:30,952 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 608 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-10 05:59:37,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:37,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 2365 states and 2760 transitions. [2018-11-10 05:59:37,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 2760 transitions. [2018-11-10 05:59:37,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-10 05:59:37,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:37,908 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 444 proven. 12 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2018-11-10 05:59:38,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 2226 states and 2608 transitions. [2018-11-10 05:59:38,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2608 transitions. [2018-11-10 05:59:38,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:59:38,897 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 108 iterations. [2018-11-10 05:59:38,904 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:59:39,083 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 58 [2018-11-10 05:59:39,262 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 58 [2018-11-10 05:59:39,470 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 53 [2018-11-10 05:59:39,645 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 58 [2018-11-10 05:59:39,801 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 53 [2018-11-10 05:59:39,980 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 53 [2018-11-10 05:59:40,115 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 28 [2018-11-10 05:59:40,260 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 38 [2018-11-10 05:59:40,468 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 53 [2018-11-10 05:59:40,656 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 28 [2018-11-10 05:59:40,866 WARN L179 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 59 [2018-11-10 05:59:41,014 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 38 [2018-11-10 05:59:41,213 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 38 [2018-11-10 05:59:41,362 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 38 [2018-11-10 05:59:41,672 WARN L179 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 59 [2018-11-10 05:59:41,891 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 53 [2018-11-10 05:59:42,063 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 58 [2018-11-10 05:59:42,305 WARN L179 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 53 [2018-11-10 05:59:42,530 WARN L179 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 60 [2018-11-10 05:59:42,756 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 58 [2018-11-10 05:59:42,915 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 53 [2018-11-10 05:59:43,075 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 53 [2018-11-10 05:59:43,347 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 58 [2018-11-10 05:59:43,553 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 56 [2018-11-10 05:59:43,666 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 28 [2018-11-10 05:59:43,828 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 53 [2018-11-10 05:59:43,970 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 31 [2018-11-10 05:59:44,193 WARN L179 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 60 [2018-11-10 05:59:44,377 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 38 [2018-11-10 05:59:44,503 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 31 [2018-11-10 05:59:44,723 WARN L179 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 60 [2018-11-10 05:59:44,976 WARN L179 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 60 [2018-11-10 05:59:45,217 WARN L179 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 60 [2018-11-10 05:59:45,462 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 28 [2018-11-10 05:59:45,662 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 60 [2018-11-10 05:59:45,869 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 58 [2018-11-10 05:59:46,169 WARN L179 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 60 [2018-11-10 05:59:46,366 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 58 [2018-11-10 05:59:46,580 WARN L179 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 53 [2018-11-10 05:59:46,860 WARN L179 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 59 [2018-11-10 05:59:47,092 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 58 [2018-11-10 05:59:47,259 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 58 [2018-11-10 05:59:47,413 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 53 [2018-11-10 05:59:47,614 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 53 [2018-11-10 05:59:47,768 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 53 [2018-11-10 05:59:48,000 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 60 [2018-11-10 05:59:48,143 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 37 [2018-11-10 05:59:48,144 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:59:48,145 INFO L582 CodeCheckObserver]: Invariant with dag size 28 [2018-11-10 05:59:48,152 INFO L582 CodeCheckObserver]: Invariant with dag size 28 [2018-11-10 05:59:48,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:59:48 ImpRootNode [2018-11-10 05:59:48,153 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:59:48,153 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:59:48,153 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:59:48,154 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:59:48,154 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:57:32" (3/4) ... [2018-11-10 05:59:48,157 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:59:48,171 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2018-11-10 05:59:48,172 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-10 05:59:48,173 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-10 05:59:48,174 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 05:59:48,258 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_63ce3185-e611-42f8-85ef-a6aa7fd8b0de/bin-2019/ukojak/witness.graphml [2018-11-10 05:59:48,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:59:48,259 INFO L168 Benchmark]: Toolchain (without parser) took 137197.91 ms. Allocated memory was 1.0 GB in the beginning and 3.6 GB in the end (delta: 2.6 GB). Free memory was 952.2 MB in the beginning and 786.5 MB in the end (delta: 165.7 MB). Peak memory consumption was 2.8 GB. Max. memory is 11.5 GB. [2018-11-10 05:59:48,260 INFO L168 Benchmark]: CDTParser took 0.14 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 05:59:48,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.69 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 917.3 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:59:48,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 917.3 MB in the beginning and 1.2 GB in the end (delta: -240.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:59:48,260 INFO L168 Benchmark]: Boogie Preprocessor took 41.07 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:59:48,261 INFO L168 Benchmark]: RCFGBuilder took 1234.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 915.6 MB in the end (delta: 239.2 MB). Peak memory consumption was 239.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:59:48,261 INFO L168 Benchmark]: CodeCheck took 135350.01 ms. Allocated memory was 1.2 GB in the beginning and 3.6 GB in the end (delta: 2.4 GB). Free memory was 915.6 MB in the beginning and 837.6 MB in the end (delta: 78.0 MB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-11-10 05:59:48,261 INFO L168 Benchmark]: Witness Printer took 105.23 ms. Allocated memory is still 3.6 GB. Free memory was 837.6 MB in the beginning and 786.5 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:59:48,263 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, 199 locations, 1 error locations. SAFE Result, 126.0s OverallTime, 108 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 142738004 SDtfs, 173428604 SDslu, 1158615882 SDs, 0 SdLazy, 1495179772 SolverSat, 1091773174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 321.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 127450 GetRequests, 121746 SyntacticMatches, 4300 SemanticMatches, 1404 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1476020 ImplicationChecksByTransitivity, 108.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 18.3s InterpolantComputationTime, 19150 NumberOfCodeBlocks, 19150 NumberOfCodeBlocksAsserted, 107 NumberOfCheckSat, 19043 ConstructedInterpolants, 0 QuantifiedInterpolants, 27308531 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 107 InterpolantComputations, 75 PerfectInterpolantSequences, 19955/20591 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: 446]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((!(a21 == 1) && a17 <= 0) && a12 == 8) && a20 == 1) && a16 == 6) || a17 == 1) || !(a8 == 13)) || ((((!(a21 == 1) && a16 == 4) && a17 <= 0) && a12 == 8) && a20 == 1)) || !(a7 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((!(a21 == 1) && a17 <= 0) && a12 == 8) && a20 == 1) && a16 == 6) || a17 == 1) || !(a8 == 13)) || ((((!(a21 == 1) && a16 == 4) && a17 <= 0) && a12 == 8) && a20 == 1)) || !(a7 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 358.69 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 917.3 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 917.3 MB in the beginning and 1.2 GB in the end (delta: -240.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.07 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1234.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 915.6 MB in the end (delta: 239.2 MB). Peak memory consumption was 239.2 MB. Max. memory is 11.5 GB. * CodeCheck took 135350.01 ms. Allocated memory was 1.2 GB in the beginning and 3.6 GB in the end (delta: 2.4 GB). Free memory was 915.6 MB in the beginning and 837.6 MB in the end (delta: 78.0 MB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. * Witness Printer took 105.23 ms. Allocated memory is still 3.6 GB. Free memory was 837.6 MB in the beginning and 786.5 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...