./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label24_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_8228544d-deac-495a-a99c-b934a8a68c45/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8228544d-deac-495a-a99c-b934a8a68c45/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8228544d-deac-495a-a99c-b934a8a68c45/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8228544d-deac-495a-a99c-b934a8a68c45/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label24_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8228544d-deac-495a-a99c-b934a8a68c45/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8228544d-deac-495a-a99c-b934a8a68c45/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 ae8b9d15518dcb8efb3092579c510710d5de6c08 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:18:19,431 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:18:19,432 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:18:19,442 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:18:19,442 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:18:19,443 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:18:19,445 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:18:19,447 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:18:19,448 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:18:19,449 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:18:19,450 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:18:19,450 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:18:19,451 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:18:19,452 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:18:19,453 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:18:19,454 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:18:19,455 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:18:19,457 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:18:19,459 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:18:19,460 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:18:19,461 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:18:19,463 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:18:19,465 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:18:19,465 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:18:19,466 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:18:19,466 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:18:19,467 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:18:19,468 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:18:19,469 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:18:19,471 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:18:19,471 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:18:19,472 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:18:19,472 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:18:19,472 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:18:19,473 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:18:19,474 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:18:19,474 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8228544d-deac-495a-a99c-b934a8a68c45/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:18:19,492 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:18:19,493 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:18:19,498 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:18:19,499 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:18:19,500 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:18:19,500 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:18:19,500 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:18:19,501 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:18:19,501 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:18:19,501 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:18:19,501 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:18:19,501 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:18:19,501 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:18:19,502 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:18:19,502 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:18:19,502 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:18:19,502 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:18:19,502 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:18:19,502 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:18:19,503 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:18:19,503 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:18:19,503 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:18:19,503 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:18:19,503 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:18:19,503 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:18:19,504 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:18:19,504 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:18:19,504 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:18:19,504 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_8228544d-deac-495a-a99c-b934a8a68c45/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 -> ae8b9d15518dcb8efb3092579c510710d5de6c08 [2018-10-27 00:18:19,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:18:19,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:18:19,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:18:19,555 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:18:19,556 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:18:19,556 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8228544d-deac-495a-a99c-b934a8a68c45/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label24_true-unreach-call_false-termination.c [2018-10-27 00:18:19,606 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8228544d-deac-495a-a99c-b934a8a68c45/bin-2019/ukojak/data/34d374b61/495b53f62d4945ad99f549af6ed602f9/FLAGba6074aac [2018-10-27 00:18:20,042 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:18:20,043 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8228544d-deac-495a-a99c-b934a8a68c45/sv-benchmarks/c/eca-rers2012/Problem02_label24_true-unreach-call_false-termination.c [2018-10-27 00:18:20,053 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8228544d-deac-495a-a99c-b934a8a68c45/bin-2019/ukojak/data/34d374b61/495b53f62d4945ad99f549af6ed602f9/FLAGba6074aac [2018-10-27 00:18:20,067 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8228544d-deac-495a-a99c-b934a8a68c45/bin-2019/ukojak/data/34d374b61/495b53f62d4945ad99f549af6ed602f9 [2018-10-27 00:18:20,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:18:20,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:18:20,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:18:20,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:18:20,095 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:18:20,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:18:20" (1/1) ... [2018-10-27 00:18:20,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0c1537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:20, skipping insertion in model container [2018-10-27 00:18:20,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:18:20" (1/1) ... [2018-10-27 00:18:20,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:18:20,151 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:18:20,436 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:18:20,440 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:18:20,536 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:18:20,556 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:18:20,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:20 WrapperNode [2018-10-27 00:18:20,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:18:20,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:18:20,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:18:20,557 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:18:20,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:20" (1/1) ... [2018-10-27 00:18:20,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:20" (1/1) ... [2018-10-27 00:18:20,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:18:20,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:18:20,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:18:20,713 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:18:20,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:20" (1/1) ... [2018-10-27 00:18:20,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:20" (1/1) ... [2018-10-27 00:18:20,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:20" (1/1) ... [2018-10-27 00:18:20,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:20" (1/1) ... [2018-10-27 00:18:20,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:20" (1/1) ... [2018-10-27 00:18:20,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:20" (1/1) ... [2018-10-27 00:18:20,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:20" (1/1) ... [2018-10-27 00:18:20,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:18:20,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:18:20,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:18:20,779 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:18:20,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8228544d-deac-495a-a99c-b934a8a68c45/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:18:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-27 00:18:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:18:20,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:18:24,936 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:18:24,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:18:24 BoogieIcfgContainer [2018-10-27 00:18:24,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:18:24,938 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:18:24,938 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:18:24,946 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:18:24,946 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:18:24" (1/1) ... [2018-10-27 00:18:24,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:18:24,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:24,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-10-27 00:18:24,981 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-10-27 00:18:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-27 00:18:24,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:25,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:18:26,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:26,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 165 states and 253 transitions. [2018-10-27 00:18:26,060 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 253 transitions. [2018-10-27 00:18:26,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-27 00:18:26,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:26,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:18:26,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:26,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 244 states and 344 transitions. [2018-10-27 00:18:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 344 transitions. [2018-10-27 00:18:26,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-27 00:18:26,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:27,150 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:18:27,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:27,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 324 states and 434 transitions. [2018-10-27 00:18:27,687 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 434 transitions. [2018-10-27 00:18:27,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-27 00:18:27,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:27,806 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:18:27,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 334 states and 447 transitions. [2018-10-27 00:18:27,879 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 447 transitions. [2018-10-27 00:18:27,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-27 00:18:27,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:27,906 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:18:28,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:28,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 339 states and 452 transitions. [2018-10-27 00:18:28,165 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 452 transitions. [2018-10-27 00:18:28,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-27 00:18:28,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:28,216 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:18:28,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 350 states and 467 transitions. [2018-10-27 00:18:28,526 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 467 transitions. [2018-10-27 00:18:28,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-27 00:18:28,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:28,574 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:18:28,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:28,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 353 states and 470 transitions. [2018-10-27 00:18:28,699 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 470 transitions. [2018-10-27 00:18:28,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-27 00:18:28,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:28,824 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:18:29,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:29,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 372 states and 494 transitions. [2018-10-27 00:18:29,572 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 494 transitions. [2018-10-27 00:18:29,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-27 00:18:29,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:29,615 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:18:29,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 377 states and 502 transitions. [2018-10-27 00:18:29,839 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 502 transitions. [2018-10-27 00:18:29,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-27 00:18:29,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:29,876 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:18:30,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:30,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 379 states and 504 transitions. [2018-10-27 00:18:30,037 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 504 transitions. [2018-10-27 00:18:30,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-27 00:18:30,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:30,069 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:18:30,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:30,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 388 states and 513 transitions. [2018-10-27 00:18:30,315 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 513 transitions. [2018-10-27 00:18:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-27 00:18:30,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:30,343 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:18:30,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:30,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 408 states and 538 transitions. [2018-10-27 00:18:30,641 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 538 transitions. [2018-10-27 00:18:30,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-27 00:18:30,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:30,666 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:18:30,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:30,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 413 states and 546 transitions. [2018-10-27 00:18:30,943 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 546 transitions. [2018-10-27 00:18:30,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-27 00:18:30,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:30,970 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:18:31,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:31,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 417 states and 551 transitions. [2018-10-27 00:18:31,129 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 551 transitions. [2018-10-27 00:18:31,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-27 00:18:31,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:31,532 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:18:31,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:31,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 437 states and 574 transitions. [2018-10-27 00:18:31,964 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 574 transitions. [2018-10-27 00:18:31,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-27 00:18:31,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:32,074 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:18:32,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:32,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 442 states and 581 transitions. [2018-10-27 00:18:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 581 transitions. [2018-10-27 00:18:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-27 00:18:32,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:18:32,923 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-27 00:18:33,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:33,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 462 states and 604 transitions. [2018-10-27 00:18:33,775 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 604 transitions. [2018-10-27 00:18:33,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-27 00:18:33,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:18:34,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:34,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 473 states and 620 transitions. [2018-10-27 00:18:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 620 transitions. [2018-10-27 00:18:34,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-27 00:18:34,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:34,308 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:18:34,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:34,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 476 states and 623 transitions. [2018-10-27 00:18:34,447 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 623 transitions. [2018-10-27 00:18:34,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-27 00:18:34,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:34,470 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:18:35,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:35,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 483 states and 631 transitions. [2018-10-27 00:18:35,070 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 631 transitions. [2018-10-27 00:18:35,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-27 00:18:35,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:36,454 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:18:37,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:37,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 527 states and 688 transitions. [2018-10-27 00:18:37,433 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 688 transitions. [2018-10-27 00:18:37,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-27 00:18:37,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:18:37,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 529 states and 692 transitions. [2018-10-27 00:18:37,575 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 692 transitions. [2018-10-27 00:18:37,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-27 00:18:37,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:37,601 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:18:38,018 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-27 00:18:39,338 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 00:18:39,997 WARN L179 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-27 00:18:40,578 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-27 00:18:41,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:41,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 534 states and 700 transitions. [2018-10-27 00:18:41,061 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 700 transitions. [2018-10-27 00:18:41,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-27 00:18:41,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:41,084 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:18:41,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:41,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 539 states and 705 transitions. [2018-10-27 00:18:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 705 transitions. [2018-10-27 00:18:41,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-27 00:18:41,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:42,068 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:18:44,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:44,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 662 states and 838 transitions. [2018-10-27 00:18:44,895 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 838 transitions. [2018-10-27 00:18:44,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-27 00:18:44,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:44,921 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:18:45,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:45,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 664 states and 840 transitions. [2018-10-27 00:18:45,109 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 840 transitions. [2018-10-27 00:18:45,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-27 00:18:45,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:45,146 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:18:46,213 WARN L179 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 16 [2018-10-27 00:18:46,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:46,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 685 states and 864 transitions. [2018-10-27 00:18:46,848 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 864 transitions. [2018-10-27 00:18:46,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-27 00:18:46,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:18:47,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:47,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 694 states and 877 transitions. [2018-10-27 00:18:47,358 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 877 transitions. [2018-10-27 00:18:47,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-27 00:18:47,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:47,395 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:18:47,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:47,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 702 states and 886 transitions. [2018-10-27 00:18:47,794 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 886 transitions. [2018-10-27 00:18:47,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-27 00:18:47,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:48,025 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:18:48,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:48,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 718 states and 906 transitions. [2018-10-27 00:18:48,952 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 906 transitions. [2018-10-27 00:18:48,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-27 00:18:48,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:48,979 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-27 00:18:49,642 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-27 00:18:49,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:49,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 719 states and 907 transitions. [2018-10-27 00:18:49,718 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 907 transitions. [2018-10-27 00:18:49,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-27 00:18:49,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:18:50,832 WARN L179 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 14 [2018-10-27 00:18:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:51,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 752 states and 942 transitions. [2018-10-27 00:18:51,318 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 942 transitions. [2018-10-27 00:18:51,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-27 00:18:51,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:51,749 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:18:53,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 757 states and 949 transitions. [2018-10-27 00:18:53,432 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 949 transitions. [2018-10-27 00:18:53,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-27 00:18:53,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:53,850 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:18:54,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:54,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 761 states and 953 transitions. [2018-10-27 00:18:54,453 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 953 transitions. [2018-10-27 00:18:54,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-27 00:18:54,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:54,893 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:18:56,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:56,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 799 states and 1000 transitions. [2018-10-27 00:18:56,854 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1000 transitions. [2018-10-27 00:18:56,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-27 00:18:56,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:56,882 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:18:56,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:56,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 800 states and 1001 transitions. [2018-10-27 00:18:56,993 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1001 transitions. [2018-10-27 00:18:56,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-27 00:18:56,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:57,031 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:18:59,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:59,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 846 states and 1059 transitions. [2018-10-27 00:18:59,423 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1059 transitions. [2018-10-27 00:18:59,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-27 00:18:59,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:19:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:00,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 865 states and 1085 transitions. [2018-10-27 00:19:00,178 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1085 transitions. [2018-10-27 00:19:00,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-27 00:19:00,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:00,212 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:00,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:00,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 886 states and 1107 transitions. [2018-10-27 00:19:00,703 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1107 transitions. [2018-10-27 00:19:00,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-27 00:19:00,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:00,852 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:19:00,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:00,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 893 states and 1114 transitions. [2018-10-27 00:19:00,995 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1114 transitions. [2018-10-27 00:19:00,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-27 00:19:00,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:01,031 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:02,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:02,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 926 states and 1153 transitions. [2018-10-27 00:19:02,313 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1153 transitions. [2018-10-27 00:19:02,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-27 00:19:02,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:02,348 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:19:02,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:02,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 941 states and 1173 transitions. [2018-10-27 00:19:02,904 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1173 transitions. [2018-10-27 00:19:02,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-27 00:19:02,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:02,984 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-27 00:19:04,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:04,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 963 states and 1200 transitions. [2018-10-27 00:19:04,093 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1200 transitions. [2018-10-27 00:19:04,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-27 00:19:04,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:04,119 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:19:04,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:04,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 970 states and 1209 transitions. [2018-10-27 00:19:04,249 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1209 transitions. [2018-10-27 00:19:04,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-27 00:19:04,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:04,289 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-27 00:19:05,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:05,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 991 states and 1232 transitions. [2018-10-27 00:19:05,077 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1232 transitions. [2018-10-27 00:19:05,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-27 00:19:05,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:05,120 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:05,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:05,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1003 states and 1243 transitions. [2018-10-27 00:19:05,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1243 transitions. [2018-10-27 00:19:05,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-27 00:19:05,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:05,432 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:06,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:06,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1016 states and 1256 transitions. [2018-10-27 00:19:06,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1256 transitions. [2018-10-27 00:19:06,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 00:19:06,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-27 00:19:06,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:06,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1020 states and 1260 transitions. [2018-10-27 00:19:06,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1260 transitions. [2018-10-27 00:19:06,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 00:19:06,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:19:06,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:06,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1030 states and 1269 transitions. [2018-10-27 00:19:06,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1269 transitions. [2018-10-27 00:19:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 00:19:06,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:06,340 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:19:06,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:06,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1045 states and 1283 transitions. [2018-10-27 00:19:06,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1283 transitions. [2018-10-27 00:19:06,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:19:06,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:06,804 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:19:07,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:07,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1067 states and 1309 transitions. [2018-10-27 00:19:07,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1309 transitions. [2018-10-27 00:19:07,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:19:07,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:07,713 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:19:08,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:08,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1076 states and 1317 transitions. [2018-10-27 00:19:08,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1317 transitions. [2018-10-27 00:19:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:19:08,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:08,597 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:19:08,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1077 states and 1317 transitions. [2018-10-27 00:19:08,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1317 transitions. [2018-10-27 00:19:08,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-27 00:19:08,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:08,771 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:09,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:09,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1109 states and 1354 transitions. [2018-10-27 00:19:09,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1354 transitions. [2018-10-27 00:19:09,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-27 00:19:09,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:09,656 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-27 00:19:09,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:09,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1110 states and 1355 transitions. [2018-10-27 00:19:09,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1355 transitions. [2018-10-27 00:19:09,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-27 00:19:09,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:09,995 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-27 00:19:10,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:10,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1114 states and 1359 transitions. [2018-10-27 00:19:10,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1359 transitions. [2018-10-27 00:19:10,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-27 00:19:10,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:10,322 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:10,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:10,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1116 states and 1362 transitions. [2018-10-27 00:19:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1362 transitions. [2018-10-27 00:19:10,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-27 00:19:10,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:10,387 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-27 00:19:10,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:10,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1125 states and 1371 transitions. [2018-10-27 00:19:10,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1371 transitions. [2018-10-27 00:19:10,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-27 00:19:10,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:10,766 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:19:10,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:10,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1134 states and 1380 transitions. [2018-10-27 00:19:10,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1380 transitions. [2018-10-27 00:19:10,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-27 00:19:10,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:10,858 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:12,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1166 states and 1417 transitions. [2018-10-27 00:19:12,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1417 transitions. [2018-10-27 00:19:12,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 00:19:12,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:12,061 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 00:19:12,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:12,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1167 states and 1417 transitions. [2018-10-27 00:19:12,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1417 transitions. [2018-10-27 00:19:12,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 00:19:12,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:19:13,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:13,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1184 states and 1436 transitions. [2018-10-27 00:19:13,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1436 transitions. [2018-10-27 00:19:13,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-27 00:19:13,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:13,604 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:19:16,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:16,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1264 states and 1521 transitions. [2018-10-27 00:19:16,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1521 transitions. [2018-10-27 00:19:16,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-27 00:19:16,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:16,502 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-27 00:19:16,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:16,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1268 states and 1525 transitions. [2018-10-27 00:19:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1525 transitions. [2018-10-27 00:19:16,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-27 00:19:16,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:19:17,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:17,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1294 states and 1553 transitions. [2018-10-27 00:19:17,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1553 transitions. [2018-10-27 00:19:17,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-27 00:19:17,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:17,488 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-27 00:19:17,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:17,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1299 states and 1558 transitions. [2018-10-27 00:19:17,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1558 transitions. [2018-10-27 00:19:17,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-27 00:19:17,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:17,789 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-27 00:19:18,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1302 states and 1560 transitions. [2018-10-27 00:19:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1560 transitions. [2018-10-27 00:19:18,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-27 00:19:18,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:18,125 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-27 00:19:18,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:18,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1305 states and 1568 transitions. [2018-10-27 00:19:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1568 transitions. [2018-10-27 00:19:18,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-27 00:19:18,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:18,501 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:19:18,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:18,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1320 states and 1585 transitions. [2018-10-27 00:19:18,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1585 transitions. [2018-10-27 00:19:18,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-27 00:19:18,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:18,740 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-27 00:19:18,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:18,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1329 states and 1594 transitions. [2018-10-27 00:19:18,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1594 transitions. [2018-10-27 00:19:18,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-27 00:19:18,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:18,964 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-27 00:19:19,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:19,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1334 states and 1599 transitions. [2018-10-27 00:19:19,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1599 transitions. [2018-10-27 00:19:19,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-27 00:19:19,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:19,173 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:19:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:19,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1351 states and 1616 transitions. [2018-10-27 00:19:19,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1616 transitions. [2018-10-27 00:19:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-27 00:19:19,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:20,045 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:19:20,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:20,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1371 states and 1637 transitions. [2018-10-27 00:19:20,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1637 transitions. [2018-10-27 00:19:20,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-27 00:19:20,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:21,477 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-27 00:19:24,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:24,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1434 states and 1701 transitions. [2018-10-27 00:19:24,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1701 transitions. [2018-10-27 00:19:24,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-27 00:19:24,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:24,328 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:19:25,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:25,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1470 states and 1748 transitions. [2018-10-27 00:19:25,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1748 transitions. [2018-10-27 00:19:25,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-27 00:19:25,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:25,653 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:19:26,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:26,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1480 states and 1758 transitions. [2018-10-27 00:19:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1758 transitions. [2018-10-27 00:19:26,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-27 00:19:26,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:26,893 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:19:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:27,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1484 states and 1761 transitions. [2018-10-27 00:19:27,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1761 transitions. [2018-10-27 00:19:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-27 00:19:27,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:28,142 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:19:31,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1555 states and 1831 transitions. [2018-10-27 00:19:31,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1831 transitions. [2018-10-27 00:19:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-27 00:19:31,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:31,662 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-27 00:19:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1556 states and 1834 transitions. [2018-10-27 00:19:32,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1834 transitions. [2018-10-27 00:19:32,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-27 00:19:32,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:32,065 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-27 00:19:32,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:32,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1560 states and 1839 transitions. [2018-10-27 00:19:32,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 1839 transitions. [2018-10-27 00:19:32,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-27 00:19:32,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:32,534 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:19:33,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:33,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1599 states and 1883 transitions. [2018-10-27 00:19:33,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1883 transitions. [2018-10-27 00:19:33,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-27 00:19:33,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:34,044 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:19:34,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1610 states and 1898 transitions. [2018-10-27 00:19:34,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 1898 transitions. [2018-10-27 00:19:34,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-27 00:19:34,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:34,952 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:19:35,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:35,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1615 states and 1902 transitions. [2018-10-27 00:19:35,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 1902 transitions. [2018-10-27 00:19:35,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-27 00:19:35,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:19:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1626 states and 1914 transitions. [2018-10-27 00:19:36,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1914 transitions. [2018-10-27 00:19:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-27 00:19:36,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:36,471 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 95 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-27 00:19:36,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:36,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1627 states and 1917 transitions. [2018-10-27 00:19:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 1917 transitions. [2018-10-27 00:19:36,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-27 00:19:36,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:36,869 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 95 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-27 00:19:37,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:37,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 1631 states and 1922 transitions. [2018-10-27 00:19:37,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 1922 transitions. [2018-10-27 00:19:37,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 00:19:37,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:37,258 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-27 00:19:37,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:37,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1682 states and 1975 transitions. [2018-10-27 00:19:37,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 1975 transitions. [2018-10-27 00:19:37,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-27 00:19:37,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:37,951 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-27 00:19:38,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:38,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1701 states and 1993 transitions. [2018-10-27 00:19:38,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 1993 transitions. [2018-10-27 00:19:38,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-27 00:19:38,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:38,261 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:19:38,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 1703 states and 1996 transitions. [2018-10-27 00:19:38,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1996 transitions. [2018-10-27 00:19:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-27 00:19:38,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:40,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:40,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 1735 states and 2034 transitions. [2018-10-27 00:19:40,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2034 transitions. [2018-10-27 00:19:40,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-27 00:19:40,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:40,323 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:19:40,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:40,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1791 states and 2095 transitions. [2018-10-27 00:19:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2095 transitions. [2018-10-27 00:19:40,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-27 00:19:40,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:40,858 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:19:41,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:41,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1792 states and 2095 transitions. [2018-10-27 00:19:41,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2095 transitions. [2018-10-27 00:19:41,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-27 00:19:41,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:41,242 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:19:41,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:41,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 1846 states and 2151 transitions. [2018-10-27 00:19:41,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2151 transitions. [2018-10-27 00:19:41,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-27 00:19:41,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:41,479 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:41,629 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2018-10-27 00:19:42,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:42,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 1874 states and 2179 transitions. [2018-10-27 00:19:42,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2179 transitions. [2018-10-27 00:19:42,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-27 00:19:42,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:42,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:42,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1887 states and 2192 transitions. [2018-10-27 00:19:42,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2192 transitions. [2018-10-27 00:19:42,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 00:19:42,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:42,889 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-27 00:19:45,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 1951 states and 2262 transitions. [2018-10-27 00:19:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2262 transitions. [2018-10-27 00:19:45,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 00:19:45,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:45,489 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-27 00:19:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:46,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 1952 states and 2262 transitions. [2018-10-27 00:19:46,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2262 transitions. [2018-10-27 00:19:46,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-27 00:19:46,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:46,096 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:19:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:46,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 2001 states and 2311 transitions. [2018-10-27 00:19:46,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2311 transitions. [2018-10-27 00:19:46,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-27 00:19:46,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:47,361 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-27 00:19:50,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:50,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2101 states and 2412 transitions. [2018-10-27 00:19:50,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 2412 transitions. [2018-10-27 00:19:50,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-27 00:19:50,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:50,818 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-27 00:19:51,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 2102 states and 2413 transitions. [2018-10-27 00:19:51,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2413 transitions. [2018-10-27 00:19:51,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-27 00:19:51,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-27 00:19:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:51,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2107 states and 2418 transitions. [2018-10-27 00:19:51,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2418 transitions. [2018-10-27 00:19:51,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-27 00:19:51,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:51,471 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:19:52,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:52,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 2112 states and 2428 transitions. [2018-10-27 00:19:52,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2428 transitions. [2018-10-27 00:19:52,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-27 00:19:52,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:52,239 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:19:52,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:52,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 2127 states and 2447 transitions. [2018-10-27 00:19:52,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2447 transitions. [2018-10-27 00:19:52,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 00:19:52,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:19:54,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:54,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2135 states and 2456 transitions. [2018-10-27 00:19:54,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2456 transitions. [2018-10-27 00:19:54,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 00:19:54,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:54,073 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-27 00:19:54,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:54,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2136 states and 2457 transitions. [2018-10-27 00:19:54,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 2457 transitions. [2018-10-27 00:19:54,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-27 00:19:54,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:54,302 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:55,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:55,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2153 states and 2477 transitions. [2018-10-27 00:19:55,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2477 transitions. [2018-10-27 00:19:55,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-27 00:19:55,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:55,637 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-27 00:19:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:55,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2158 states and 2481 transitions. [2018-10-27 00:19:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 2481 transitions. [2018-10-27 00:19:55,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-27 00:19:55,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:55,932 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:19:56,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:56,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2167 states and 2496 transitions. [2018-10-27 00:19:56,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2496 transitions. [2018-10-27 00:19:56,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-27 00:19:56,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:56,993 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 118 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-27 00:19:57,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:57,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 2217 states and 2547 transitions. [2018-10-27 00:19:57,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 2547 transitions. [2018-10-27 00:19:57,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-27 00:19:57,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:57,603 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 177 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:19:59,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:19:59,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2270 states and 2606 transitions. [2018-10-27 00:19:59,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2606 transitions. [2018-10-27 00:19:59,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-27 00:19:59,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:19:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:00,365 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 211 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:20:05,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:05,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2347 states and 2694 transitions. [2018-10-27 00:20:05,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 2694 transitions. [2018-10-27 00:20:05,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-27 00:20:05,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:05,253 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 211 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:20:05,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:05,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 2351 states and 2699 transitions. [2018-10-27 00:20:05,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 2699 transitions. [2018-10-27 00:20:05,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-10-27 00:20:05,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:06,326 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 184 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:20:06,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:06,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2357 states and 2704 transitions. [2018-10-27 00:20:06,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 2704 transitions. [2018-10-27 00:20:06,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-10-27 00:20:06,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:07,018 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-27 00:20:07,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:07,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2366 states and 2714 transitions. [2018-10-27 00:20:07,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 2714 transitions. [2018-10-27 00:20:07,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-10-27 00:20:07,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:07,535 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:20:08,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:08,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2372 states and 2724 transitions. [2018-10-27 00:20:08,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 2724 transitions. [2018-10-27 00:20:08,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-10-27 00:20:08,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:08,963 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:20:09,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:09,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2727 states to 2376 states and 2727 transitions. [2018-10-27 00:20:09,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 2727 transitions. [2018-10-27 00:20:09,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-27 00:20:09,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:09,432 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-27 00:20:10,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:10,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2395 states and 2749 transitions. [2018-10-27 00:20:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2395 states and 2749 transitions. [2018-10-27 00:20:10,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-27 00:20:10,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:10,647 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-27 00:20:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:11,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2413 states and 2766 transitions. [2018-10-27 00:20:11,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2413 states and 2766 transitions. [2018-10-27 00:20:11,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-27 00:20:11,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:11,901 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 00:20:18,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:18,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2476 states and 2828 transitions. [2018-10-27 00:20:18,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 2828 transitions. [2018-10-27 00:20:18,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 00:20:18,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:18,111 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-27 00:20:19,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:19,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2866 states to 2514 states and 2866 transitions. [2018-10-27 00:20:19,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 2866 transitions. [2018-10-27 00:20:19,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-27 00:20:19,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:19,832 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-27 00:20:22,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:22,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2948 states to 2594 states and 2948 transitions. [2018-10-27 00:20:22,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 2948 transitions. [2018-10-27 00:20:22,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-27 00:20:22,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 00:20:23,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:23,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2954 states to 2600 states and 2954 transitions. [2018-10-27 00:20:23,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 2954 transitions. [2018-10-27 00:20:23,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-27 00:20:23,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:24,167 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 00:20:24,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:24,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2954 states to 2601 states and 2954 transitions. [2018-10-27 00:20:24,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 2954 transitions. [2018-10-27 00:20:24,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-27 00:20:24,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 00:20:25,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:25,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2616 states and 2970 transitions. [2018-10-27 00:20:25,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 2970 transitions. [2018-10-27 00:20:25,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-27 00:20:25,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-10-27 00:20:25,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:25,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2617 states and 2971 transitions. [2018-10-27 00:20:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 2971 transitions. [2018-10-27 00:20:25,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-10-27 00:20:25,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:25,470 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-27 00:20:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:25,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2624 states and 2978 transitions. [2018-10-27 00:20:25,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2978 transitions. [2018-10-27 00:20:25,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-27 00:20:25,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:25,843 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-27 00:20:26,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:26,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 2643 states and 3002 transitions. [2018-10-27 00:20:26,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 3002 transitions. [2018-10-27 00:20:26,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-27 00:20:26,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:26,950 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-10-27 00:20:27,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:27,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 2644 states and 3002 transitions. [2018-10-27 00:20:27,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 3002 transitions. [2018-10-27 00:20:27,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-10-27 00:20:27,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:27,360 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:20:28,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:28,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3023 states to 2662 states and 3023 transitions. [2018-10-27 00:20:28,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 3023 transitions. [2018-10-27 00:20:28,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-27 00:20:28,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-10-27 00:20:30,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:30,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 2712 states and 3079 transitions. [2018-10-27 00:20:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3079 transitions. [2018-10-27 00:20:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-27 00:20:30,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:30,214 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-10-27 00:20:32,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:32,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 2764 states and 3135 transitions. [2018-10-27 00:20:32,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3135 transitions. [2018-10-27 00:20:32,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-27 00:20:32,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:32,466 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-10-27 00:20:32,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 2768 states and 3138 transitions. [2018-10-27 00:20:32,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 3138 transitions. [2018-10-27 00:20:32,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-27 00:20:32,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-10-27 00:20:35,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:35,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3180 states to 2805 states and 3180 transitions. [2018-10-27 00:20:35,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2805 states and 3180 transitions. [2018-10-27 00:20:35,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-27 00:20:35,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 273 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-27 00:20:36,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:36,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 2810 states and 3185 transitions. [2018-10-27 00:20:36,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2810 states and 3185 transitions. [2018-10-27 00:20:36,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-27 00:20:36,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:36,285 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 228 proven. 17 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-27 00:20:36,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:36,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 2822 states and 3199 transitions. [2018-10-27 00:20:36,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 3199 transitions. [2018-10-27 00:20:36,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-27 00:20:36,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:37,085 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 228 proven. 17 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-27 00:20:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 2826 states and 3202 transitions. [2018-10-27 00:20:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 3202 transitions. [2018-10-27 00:20:37,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-27 00:20:37,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:37,620 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 228 proven. 17 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-27 00:20:37,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:37,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 2827 states and 3202 transitions. [2018-10-27 00:20:37,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 3202 transitions. [2018-10-27 00:20:37,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-10-27 00:20:37,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:38,102 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-10-27 00:20:38,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:38,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 2829 states and 3204 transitions. [2018-10-27 00:20:38,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2829 states and 3204 transitions. [2018-10-27 00:20:38,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-27 00:20:38,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:38,610 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 249 proven. 17 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-27 00:20:40,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:40,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 2850 states and 3227 transitions. [2018-10-27 00:20:40,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 3227 transitions. [2018-10-27 00:20:40,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-27 00:20:40,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-27 00:20:43,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:43,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3273 states to 2887 states and 3273 transitions. [2018-10-27 00:20:43,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 3273 transitions. [2018-10-27 00:20:43,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-27 00:20:43,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:43,158 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-27 00:20:43,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:43,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 2892 states and 3278 transitions. [2018-10-27 00:20:43,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2892 states and 3278 transitions. [2018-10-27 00:20:43,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-27 00:20:43,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:43,824 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-27 00:20:44,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:44,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 2897 states and 3283 transitions. [2018-10-27 00:20:44,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 3283 transitions. [2018-10-27 00:20:44,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-27 00:20:44,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-10-27 00:20:45,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:45,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 2912 states and 3303 transitions. [2018-10-27 00:20:45,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 3303 transitions. [2018-10-27 00:20:45,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-10-27 00:20:45,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:45,387 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 84 proven. 18 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-10-27 00:20:47,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:47,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 2970 states and 3364 transitions. [2018-10-27 00:20:47,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 3364 transitions. [2018-10-27 00:20:47,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-10-27 00:20:47,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:47,463 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 84 proven. 18 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-10-27 00:20:47,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:47,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 2971 states and 3364 transitions. [2018-10-27 00:20:47,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3364 transitions. [2018-10-27 00:20:47,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-10-27 00:20:47,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:48,027 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-10-27 00:20:48,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:48,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 2972 states and 3364 transitions. [2018-10-27 00:20:48,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 3364 transitions. [2018-10-27 00:20:48,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-10-27 00:20:48,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:48,335 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-10-27 00:20:49,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:49,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 3046 states and 3439 transitions. [2018-10-27 00:20:49,399 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 3439 transitions. [2018-10-27 00:20:49,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-10-27 00:20:49,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:49,536 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-10-27 00:20:50,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:50,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 3057 states and 3453 transitions. [2018-10-27 00:20:50,166 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 3453 transitions. [2018-10-27 00:20:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-10-27 00:20:50,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:50,271 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 358 proven. 17 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-10-27 00:20:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:50,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3457 states to 3061 states and 3457 transitions. [2018-10-27 00:20:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 3457 transitions. [2018-10-27 00:20:50,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-10-27 00:20:50,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-27 00:20:51,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:51,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3457 states to 3062 states and 3457 transitions. [2018-10-27 00:20:51,252 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 3457 transitions. [2018-10-27 00:20:51,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-27 00:20:51,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:51,330 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-10-27 00:20:52,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:52,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3470 states to 3075 states and 3470 transitions. [2018-10-27 00:20:52,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 3470 transitions. [2018-10-27 00:20:52,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-27 00:20:52,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:52,409 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-10-27 00:20:52,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:52,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 3078 states and 3472 transitions. [2018-10-27 00:20:52,689 INFO L276 IsEmpty]: Start isEmpty. Operand 3078 states and 3472 transitions. [2018-10-27 00:20:52,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-27 00:20:52,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-10-27 00:20:52,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:52,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3473 states to 3080 states and 3473 transitions. [2018-10-27 00:20:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 3080 states and 3473 transitions. [2018-10-27 00:20:52,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-27 00:20:52,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-10-27 00:20:57,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:57,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3521 states to 3125 states and 3521 transitions. [2018-10-27 00:20:57,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3125 states and 3521 transitions. [2018-10-27 00:20:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-27 00:20:57,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-10-27 00:20:58,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:58,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3141 states and 3536 transitions. [2018-10-27 00:20:58,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3141 states and 3536 transitions. [2018-10-27 00:20:58,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-27 00:20:58,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:58,592 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-10-27 00:21:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:00,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 3184 states and 3579 transitions. [2018-10-27 00:21:00,083 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 3579 transitions. [2018-10-27 00:21:00,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-27 00:21:00,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:00,159 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-10-27 00:21:00,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:00,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3188 states and 3583 transitions. [2018-10-27 00:21:00,763 INFO L276 IsEmpty]: Start isEmpty. Operand 3188 states and 3583 transitions. [2018-10-27 00:21:00,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-10-27 00:21:00,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:00,822 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-27 00:21:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:00,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3594 states to 3199 states and 3594 transitions. [2018-10-27 00:21:00,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3199 states and 3594 transitions. [2018-10-27 00:21:00,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-10-27 00:21:00,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:00,955 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-27 00:21:01,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:01,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3612 states to 3217 states and 3612 transitions. [2018-10-27 00:21:01,631 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 3612 transitions. [2018-10-27 00:21:01,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-10-27 00:21:01,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-27 00:21:01,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:01,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3221 states and 3615 transitions. [2018-10-27 00:21:01,748 INFO L276 IsEmpty]: Start isEmpty. Operand 3221 states and 3615 transitions. [2018-10-27 00:21:01,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-10-27 00:21:01,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:01,813 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-27 00:21:01,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:01,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 3228 states and 3621 transitions. [2018-10-27 00:21:01,937 INFO L276 IsEmpty]: Start isEmpty. Operand 3228 states and 3621 transitions. [2018-10-27 00:21:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-10-27 00:21:01,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:02,033 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 362 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-27 00:21:03,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:03,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3248 states and 3641 transitions. [2018-10-27 00:21:03,634 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 3641 transitions. [2018-10-27 00:21:03,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-10-27 00:21:03,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 437 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:21:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:10,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3684 states to 3287 states and 3684 transitions. [2018-10-27 00:21:10,136 INFO L276 IsEmpty]: Start isEmpty. Operand 3287 states and 3684 transitions. [2018-10-27 00:21:10,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-10-27 00:21:10,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-10-27 00:21:10,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:10,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3699 states to 3298 states and 3699 transitions. [2018-10-27 00:21:10,662 INFO L276 IsEmpty]: Start isEmpty. Operand 3298 states and 3699 transitions. [2018-10-27 00:21:10,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-10-27 00:21:10,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-10-27 00:21:11,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:11,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3704 states to 3303 states and 3704 transitions. [2018-10-27 00:21:11,196 INFO L276 IsEmpty]: Start isEmpty. Operand 3303 states and 3704 transitions. [2018-10-27 00:21:11,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-10-27 00:21:11,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:11,264 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-10-27 00:21:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3308 states and 3710 transitions. [2018-10-27 00:21:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 3308 states and 3710 transitions. [2018-10-27 00:21:11,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-10-27 00:21:11,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-10-27 00:21:12,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:12,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3320 states and 3722 transitions. [2018-10-27 00:21:12,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 3722 transitions. [2018-10-27 00:21:12,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-27 00:21:12,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:12,129 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-10-27 00:21:12,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:12,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 3321 states and 3723 transitions. [2018-10-27 00:21:12,404 INFO L276 IsEmpty]: Start isEmpty. Operand 3321 states and 3723 transitions. [2018-10-27 00:21:12,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-27 00:21:12,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:12,492 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-10-27 00:21:13,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:13,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3729 states to 3326 states and 3729 transitions. [2018-10-27 00:21:13,240 INFO L276 IsEmpty]: Start isEmpty. Operand 3326 states and 3729 transitions. [2018-10-27 00:21:13,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-27 00:21:13,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:13,324 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-10-27 00:21:13,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:13,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3331 states and 3734 transitions. [2018-10-27 00:21:13,601 INFO L276 IsEmpty]: Start isEmpty. Operand 3331 states and 3734 transitions. [2018-10-27 00:21:13,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-27 00:21:13,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-10-27 00:21:13,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:13,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3336 states and 3740 transitions. [2018-10-27 00:21:13,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3336 states and 3740 transitions. [2018-10-27 00:21:13,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-27 00:21:13,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:14,068 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-10-27 00:21:14,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:14,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3749 states to 3346 states and 3749 transitions. [2018-10-27 00:21:14,385 INFO L276 IsEmpty]: Start isEmpty. Operand 3346 states and 3749 transitions. [2018-10-27 00:21:14,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-27 00:21:14,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:14,469 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-10-27 00:21:14,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:14,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3758 states to 3356 states and 3758 transitions. [2018-10-27 00:21:14,780 INFO L276 IsEmpty]: Start isEmpty. Operand 3356 states and 3758 transitions. [2018-10-27 00:21:14,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-10-27 00:21:14,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:14,877 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 386 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-27 00:21:15,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:15,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3775 states to 3372 states and 3775 transitions. [2018-10-27 00:21:15,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3372 states and 3775 transitions. [2018-10-27 00:21:15,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-10-27 00:21:15,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:15,990 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 386 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-27 00:21:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:16,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3775 states to 3373 states and 3775 transitions. [2018-10-27 00:21:16,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3373 states and 3775 transitions. [2018-10-27 00:21:16,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-27 00:21:16,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:16,575 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 367 proven. 17 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-27 00:21:18,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:18,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3391 states and 3796 transitions. [2018-10-27 00:21:18,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 3796 transitions. [2018-10-27 00:21:18,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-10-27 00:21:18,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-10-27 00:21:18,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:18,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3802 states to 3396 states and 3802 transitions. [2018-10-27 00:21:18,621 INFO L276 IsEmpty]: Start isEmpty. Operand 3396 states and 3802 transitions. [2018-10-27 00:21:18,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-10-27 00:21:18,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:18,721 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-10-27 00:21:20,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:20,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3458 states and 3866 transitions. [2018-10-27 00:21:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 3458 states and 3866 transitions. [2018-10-27 00:21:20,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-10-27 00:21:20,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:20,143 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-10-27 00:21:23,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:23,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3905 states to 3495 states and 3905 transitions. [2018-10-27 00:21:23,241 INFO L276 IsEmpty]: Start isEmpty. Operand 3495 states and 3905 transitions. [2018-10-27 00:21:23,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-10-27 00:21:23,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:23,342 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-10-27 00:21:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:24,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3932 states to 3523 states and 3932 transitions. [2018-10-27 00:21:24,472 INFO L276 IsEmpty]: Start isEmpty. Operand 3523 states and 3932 transitions. [2018-10-27 00:21:24,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-10-27 00:21:24,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:24,576 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-10-27 00:21:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:25,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3936 states to 3528 states and 3936 transitions. [2018-10-27 00:21:25,583 INFO L276 IsEmpty]: Start isEmpty. Operand 3528 states and 3936 transitions. [2018-10-27 00:21:25,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-10-27 00:21:25,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:25,905 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-10-27 00:21:27,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:27,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3956 states to 3549 states and 3956 transitions. [2018-10-27 00:21:27,082 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 3956 transitions. [2018-10-27 00:21:27,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-10-27 00:21:27,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-10-27 00:21:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:28,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3984 states to 3577 states and 3984 transitions. [2018-10-27 00:21:28,784 INFO L276 IsEmpty]: Start isEmpty. Operand 3577 states and 3984 transitions. [2018-10-27 00:21:28,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-10-27 00:21:28,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:28,878 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-10-27 00:21:32,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:32,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 3601 states and 4007 transitions. [2018-10-27 00:21:32,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3601 states and 4007 transitions. [2018-10-27 00:21:32,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-10-27 00:21:32,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:32,137 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2018-10-27 00:21:33,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:33,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4027 states to 3619 states and 4027 transitions. [2018-10-27 00:21:33,208 INFO L276 IsEmpty]: Start isEmpty. Operand 3619 states and 4027 transitions. [2018-10-27 00:21:33,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-10-27 00:21:33,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:33,320 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2018-10-27 00:21:33,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:33,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4039 states to 3632 states and 4039 transitions. [2018-10-27 00:21:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3632 states and 4039 transitions. [2018-10-27 00:21:33,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-10-27 00:21:33,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:33,984 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 438 proven. 5 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-27 00:21:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:35,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4085 states to 3671 states and 4085 transitions. [2018-10-27 00:21:35,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3671 states and 4085 transitions. [2018-10-27 00:21:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-10-27 00:21:35,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:35,360 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 438 proven. 5 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-27 00:21:35,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:35,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4086 states to 3673 states and 4086 transitions. [2018-10-27 00:21:35,627 INFO L276 IsEmpty]: Start isEmpty. Operand 3673 states and 4086 transitions. [2018-10-27 00:21:35,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-10-27 00:21:35,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:35,730 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 438 proven. 5 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-27 00:21:35,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:35,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4105 states to 3693 states and 4105 transitions. [2018-10-27 00:21:35,844 INFO L276 IsEmpty]: Start isEmpty. Operand 3693 states and 4105 transitions. [2018-10-27 00:21:35,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-10-27 00:21:35,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:35,950 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 438 proven. 5 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-27 00:21:36,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:36,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4124 states to 3713 states and 4124 transitions. [2018-10-27 00:21:36,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3713 states and 4124 transitions. [2018-10-27 00:21:36,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-10-27 00:21:36,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:37,495 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 461 proven. 55 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-10-27 00:21:43,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4232 states to 3794 states and 4232 transitions. [2018-10-27 00:21:43,643 INFO L276 IsEmpty]: Start isEmpty. Operand 3794 states and 4232 transitions. [2018-10-27 00:21:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-10-27 00:21:43,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:45,044 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 432 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-27 00:21:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:48,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4297 states to 3860 states and 4297 transitions. [2018-10-27 00:21:48,165 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 4297 transitions. [2018-10-27 00:21:48,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-10-27 00:21:48,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:48,264 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 486 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-27 00:21:48,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:48,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4298 states to 3861 states and 4298 transitions. [2018-10-27 00:21:48,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 4298 transitions. [2018-10-27 00:21:48,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-10-27 00:21:48,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:48,784 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 364 proven. 34 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-27 00:21:51,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:51,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4324 states to 3887 states and 4324 transitions. [2018-10-27 00:21:51,791 INFO L276 IsEmpty]: Start isEmpty. Operand 3887 states and 4324 transitions. [2018-10-27 00:21:51,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-10-27 00:21:51,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:51,974 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 364 proven. 34 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-27 00:21:52,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:52,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4333 states to 3897 states and 4333 transitions. [2018-10-27 00:21:52,722 INFO L276 IsEmpty]: Start isEmpty. Operand 3897 states and 4333 transitions. [2018-10-27 00:21:52,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-10-27 00:21:52,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:52,902 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 364 proven. 34 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-27 00:21:53,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:53,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4338 states to 3902 states and 4338 transitions. [2018-10-27 00:21:53,393 INFO L276 IsEmpty]: Start isEmpty. Operand 3902 states and 4338 transitions. [2018-10-27 00:21:53,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-10-27 00:21:53,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:53,592 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 507 proven. 7 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-10-27 00:21:56,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:56,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4429 states to 3984 states and 4429 transitions. [2018-10-27 00:21:56,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3984 states and 4429 transitions. [2018-10-27 00:21:56,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-10-27 00:21:56,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:57,174 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 507 proven. 7 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-10-27 00:21:58,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:21:58,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4464 states to 4017 states and 4464 transitions. [2018-10-27 00:21:58,744 INFO L276 IsEmpty]: Start isEmpty. Operand 4017 states and 4464 transitions. [2018-10-27 00:21:58,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-10-27 00:21:58,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:21:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:21:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2018-10-27 00:22:03,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:22:03,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4547 states to 4097 states and 4547 transitions. [2018-10-27 00:22:03,544 INFO L276 IsEmpty]: Start isEmpty. Operand 4097 states and 4547 transitions. [2018-10-27 00:22:03,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-10-27 00:22:03,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:22:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:22:03,774 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 112 proven. 27 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-10-27 00:22:11,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:22:11,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4680 states to 4224 states and 4680 transitions. [2018-10-27 00:22:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 4224 states and 4680 transitions. [2018-10-27 00:22:11,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-10-27 00:22:11,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:22:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:22:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 541 proven. 5 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-10-27 00:22:12,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:22:12,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4686 states to 4229 states and 4686 transitions. [2018-10-27 00:22:12,465 INFO L276 IsEmpty]: Start isEmpty. Operand 4229 states and 4686 transitions. [2018-10-27 00:22:12,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-10-27 00:22:12,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:22:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:22:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 541 proven. 5 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-10-27 00:22:13,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:22:13,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4692 states to 4234 states and 4692 transitions. [2018-10-27 00:22:13,491 INFO L276 IsEmpty]: Start isEmpty. Operand 4234 states and 4692 transitions. [2018-10-27 00:22:13,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-10-27 00:22:13,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:22:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:22:13,600 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 274 proven. 3 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-10-27 00:22:13,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:22:13,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4697 states to 4239 states and 4697 transitions. [2018-10-27 00:22:13,960 INFO L276 IsEmpty]: Start isEmpty. Operand 4239 states and 4697 transitions. [2018-10-27 00:22:13,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-10-27 00:22:13,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:22:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:22:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 274 proven. 3 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-10-27 00:22:15,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:22:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4735 states to 4276 states and 4735 transitions. [2018-10-27 00:22:15,074 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 4735 transitions. [2018-10-27 00:22:15,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-10-27 00:22:15,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:22:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:22:15,184 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 274 proven. 3 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-10-27 00:22:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:22:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4739 states to 4281 states and 4739 transitions. [2018-10-27 00:22:15,558 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 4739 transitions. [2018-10-27 00:22:15,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-10-27 00:22:15,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:22:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:22:15,732 INFO L134 CoverageAnalysis]: Checked inductivity of 709 backedges. 566 proven. 7 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-10-27 00:22:16,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:22:16,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4745 states to 4287 states and 4745 transitions. [2018-10-27 00:22:16,109 INFO L276 IsEmpty]: Start isEmpty. Operand 4287 states and 4745 transitions. [2018-10-27 00:22:16,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-10-27 00:22:16,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:22:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:22:18,438 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 75 proven. 409 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-10-27 00:22:26,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:22:26,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4781 states to 4291 states and 4781 transitions. [2018-10-27 00:22:26,950 INFO L276 IsEmpty]: Start isEmpty. Operand 4291 states and 4781 transitions. [2018-10-27 00:22:26,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:22:26,952 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 208 iterations. [2018-10-27 00:22:26,959 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 00:22:27,126 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 17 [2018-10-27 00:22:27,308 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 17 [2018-10-27 00:22:27,537 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-10-27 00:22:27,784 WARN L179 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2018-10-27 00:22:27,978 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2018-10-27 00:22:28,209 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-10-27 00:22:28,434 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-10-27 00:22:28,605 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-10-27 00:22:28,767 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-10-27 00:22:28,982 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-10-27 00:22:29,489 WARN L179 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 17 [2018-10-27 00:22:29,620 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 17 [2018-10-27 00:22:29,740 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 17 [2018-10-27 00:22:29,853 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 17 [2018-10-27 00:22:30,036 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2018-10-27 00:22:30,222 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2018-10-27 00:22:30,410 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2018-10-27 00:22:30,514 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 17 [2018-10-27 00:22:30,706 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-10-27 00:22:30,868 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-10-27 00:22:31,015 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-10-27 00:22:31,172 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 17 [2018-10-27 00:22:31,319 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 17 [2018-10-27 00:22:31,644 WARN L179 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 58 [2018-10-27 00:22:31,751 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 17 [2018-10-27 00:22:31,936 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2018-10-27 00:22:32,039 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 17 [2018-10-27 00:22:32,223 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2018-10-27 00:22:32,378 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 17 [2018-10-27 00:22:32,570 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2018-10-27 00:22:32,712 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-10-27 00:22:32,905 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 17 [2018-10-27 00:22:33,067 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-10-27 00:22:33,344 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2018-10-27 00:22:33,463 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 17 [2018-10-27 00:22:33,574 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 17 [2018-10-27 00:22:33,802 WARN L179 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 46 [2018-10-27 00:22:34,028 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-10-27 00:22:34,169 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-10-27 00:22:34,387 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 17 [2018-10-27 00:22:34,564 WARN L179 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2018-10-27 00:22:34,679 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 17 [2018-10-27 00:22:34,826 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-10-27 00:22:35,055 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2018-10-27 00:22:35,204 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-10-27 00:22:35,651 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2018-10-27 00:22:35,838 WARN L179 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 17 [2018-10-27 00:22:36,035 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2018-10-27 00:22:36,281 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-10-27 00:22:36,428 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-10-27 00:22:36,625 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 17 [2018-10-27 00:22:36,812 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2018-10-27 00:22:36,967 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 17 [2018-10-27 00:22:37,340 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-10-27 00:22:37,802 WARN L179 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-10-27 00:22:37,991 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 17 [2018-10-27 00:22:38,202 WARN L179 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2018-10-27 00:22:38,407 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-10-27 00:22:38,526 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 17 [2018-10-27 00:22:38,762 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 46 [2018-10-27 00:22:38,876 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 17 [2018-10-27 00:22:39,129 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-10-27 00:22:39,129 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:22:39,131 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-10-27 00:22:39,138 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-10-27 00:22:39,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:22:39 ImpRootNode [2018-10-27 00:22:39,139 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:22:39,139 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:22:39,139 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:22:39,140 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:22:39,140 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:18:24" (3/4) ... [2018-10-27 00:22:39,147 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:22:39,168 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-10-27 00:22:39,169 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-27 00:22:39,170 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-27 00:22:39,171 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 00:22:39,315 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8228544d-deac-495a-a99c-b934a8a68c45/bin-2019/ukojak/witness.graphml [2018-10-27 00:22:39,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:22:39,316 INFO L168 Benchmark]: Toolchain (without parser) took 259233.58 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.8 GB). Free memory was 955.3 MB in the beginning and 3.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-10-27 00:22:39,317 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:22:39,319 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.12 ms. Allocated memory is still 1.0 GB. Free memory was 955.3 MB in the beginning and 925.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:22:39,319 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 925.8 MB in the beginning and 1.1 GB in the end (delta: -222.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2018-10-27 00:22:39,320 INFO L168 Benchmark]: Boogie Preprocessor took 64.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:22:39,320 INFO L168 Benchmark]: RCFGBuilder took 4159.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.8 MB in the end (delta: 234.1 MB). Peak memory consumption was 234.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:22:39,321 INFO L168 Benchmark]: CodeCheck took 254201.46 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 908.8 MB in the beginning and 3.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2018-10-27 00:22:39,321 INFO L168 Benchmark]: Witness Printer took 176.29 ms. Allocated memory is still 4.8 GB. Free memory is still 3.8 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:22:39,322 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 241.9s OverallTime, 208 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4738516 SDtfs, 1518191830 SDslu, 50502252 SDs, 0 SdLazy, -1314430022 SolverSat, -1833011244 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1658.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 285779 GetRequests, 280618 SyntacticMatches, 3365 SemanticMatches, 1796 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2467058 ImplicationChecksByTransitivity, 203.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 25.5s InterpolantComputationTime, 44386 NumberOfCodeBlocks, 44386 NumberOfCodeBlocksAsserted, 207 NumberOfCheckSat, 44179 ConstructedInterpolants, 0 QuantifiedInterpolants, 28184920 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 207 InterpolantComputations, 146 PerfectInterpolantSequences, 50674/51691 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: 514]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((a11 == 1 || a25 == 1) || !(a19 == 1)) || !(a28 == 9)) || !(a17 == 7) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((a11 == 1 || a25 == 1) || !(a19 == 1)) || !(a28 == 9)) || !(a17 == 7) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 472.12 ms. Allocated memory is still 1.0 GB. Free memory was 955.3 MB in the beginning and 925.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 155.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 925.8 MB in the beginning and 1.1 GB in the end (delta: -222.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4159.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.8 MB in the end (delta: 234.1 MB). Peak memory consumption was 234.1 MB. Max. memory is 11.5 GB. * CodeCheck took 254201.46 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 908.8 MB in the beginning and 3.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. * Witness Printer took 176.29 ms. Allocated memory is still 4.8 GB. Free memory is still 3.8 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...