./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b4de6ce3-a0b3-4dc1-b01e-aaa3d219ba95/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b4de6ce3-a0b3-4dc1-b01e-aaa3d219ba95/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b4de6ce3-a0b3-4dc1-b01e-aaa3d219ba95/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b4de6ce3-a0b3-4dc1-b01e-aaa3d219ba95/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b4de6ce3-a0b3-4dc1-b01e-aaa3d219ba95/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b4de6ce3-a0b3-4dc1-b01e-aaa3d219ba95/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 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:12:11,075 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:12:11,077 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:12:11,086 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:12:11,086 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:12:11,087 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:12:11,088 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:12:11,089 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:12:11,090 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:12:11,091 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:12:11,092 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:12:11,092 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:12:11,093 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:12:11,094 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:12:11,095 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:12:11,095 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:12:11,097 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:12:11,099 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:12:11,101 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:12:11,102 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:12:11,103 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:12:11,104 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:12:11,106 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:12:11,107 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:12:11,107 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:12:11,108 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:12:11,109 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:12:11,110 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:12:11,110 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:12:11,111 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:12:11,111 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:12:11,112 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:12:11,112 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:12:11,113 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:12:11,114 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:12:11,114 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:12:11,115 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b4de6ce3-a0b3-4dc1-b01e-aaa3d219ba95/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 23:12:11,127 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:12:11,127 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:12:11,128 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:12:11,128 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 23:12:11,128 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:12:11,128 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:12:11,129 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:12:11,129 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:12:11,129 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:12:11,129 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:12:11,129 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:12:11,129 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:12:11,130 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:12:11,130 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:12:11,130 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:12:11,130 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:12:11,130 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:12:11,130 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:12:11,130 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 23:12:11,131 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 23:12:11,131 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:12:11,131 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:12:11,131 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 23:12:11,131 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:12:11,131 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:12:11,131 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:12:11,132 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 23:12:11,132 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:12:11,132 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:12:11,132 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_b4de6ce3-a0b3-4dc1-b01e-aaa3d219ba95/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 -> 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 [2018-11-22 23:12:11,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:12:11,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:12:11,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:12:11,172 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:12:11,172 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:12:11,172 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b4de6ce3-a0b3-4dc1-b01e-aaa3d219ba95/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-11-22 23:12:11,215 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4de6ce3-a0b3-4dc1-b01e-aaa3d219ba95/bin-2019/ukojak/data/cbdc87440/248a1d39f3b54b50bc86eaff180cee6c/FLAG93b7c2b4a [2018-11-22 23:12:11,638 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:12:11,639 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b4de6ce3-a0b3-4dc1-b01e-aaa3d219ba95/sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-11-22 23:12:11,649 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4de6ce3-a0b3-4dc1-b01e-aaa3d219ba95/bin-2019/ukojak/data/cbdc87440/248a1d39f3b54b50bc86eaff180cee6c/FLAG93b7c2b4a [2018-11-22 23:12:11,989 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b4de6ce3-a0b3-4dc1-b01e-aaa3d219ba95/bin-2019/ukojak/data/cbdc87440/248a1d39f3b54b50bc86eaff180cee6c [2018-11-22 23:12:11,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:12:11,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:12:11,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:12:11,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:12:11,997 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:12:11,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:12:11" (1/1) ... [2018-11-22 23:12:11,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb4fcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:11, skipping insertion in model container [2018-11-22 23:12:11,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:12:11" (1/1) ... [2018-11-22 23:12:12,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:12:12,055 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:12:12,348 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:12:12,352 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:12:12,438 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:12:12,454 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:12:12,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:12 WrapperNode [2018-11-22 23:12:12,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:12:12,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:12:12,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:12:12,455 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:12:12,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:12" (1/1) ... [2018-11-22 23:12:12,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:12" (1/1) ... [2018-11-22 23:12:12,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:12:12,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:12:12,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:12:12,572 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:12:12,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:12" (1/1) ... [2018-11-22 23:12:12,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:12" (1/1) ... [2018-11-22 23:12:12,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:12" (1/1) ... [2018-11-22 23:12:12,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:12" (1/1) ... [2018-11-22 23:12:12,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:12" (1/1) ... [2018-11-22 23:12:12,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:12" (1/1) ... [2018-11-22 23:12:12,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:12" (1/1) ... [2018-11-22 23:12:12,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:12:12,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:12:12,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:12:12,626 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:12:12,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4de6ce3-a0b3-4dc1-b01e-aaa3d219ba95/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 23:12:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 23:12:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:12:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:12:14,613 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:12:14,613 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-22 23:12:14,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:14 BoogieIcfgContainer [2018-11-22 23:12:14,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:12:14,615 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 23:12:14,615 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 23:12:14,626 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 23:12:14,627 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:14" (1/1) ... [2018-11-22 23:12:14,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:12:14,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:14,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-22 23:12:14,683 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-22 23:12:14,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-22 23:12:14,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:14,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:15,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:15,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 145 states and 231 transitions. [2018-11-22 23:12:15,460 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 231 transitions. [2018-11-22 23:12:15,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-22 23:12:15,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:15,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:12:16,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:16,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 218 states and 309 transitions. [2018-11-22 23:12:16,009 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 309 transitions. [2018-11-22 23:12:16,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-22 23:12:16,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:16,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:16,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:16,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 288 states and 383 transitions. [2018-11-22 23:12:16,541 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 383 transitions. [2018-11-22 23:12:16,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-22 23:12:16,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:16,620 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:16,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 295 states and 393 transitions. [2018-11-22 23:12:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 393 transitions. [2018-11-22 23:12:16,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-22 23:12:16,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:17,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:17,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 303 states and 405 transitions. [2018-11-22 23:12:17,222 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 405 transitions. [2018-11-22 23:12:17,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-22 23:12:17,227 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:17,251 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:17,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:17,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 310 states and 414 transitions. [2018-11-22 23:12:17,465 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 414 transitions. [2018-11-22 23:12:17,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-22 23:12:17,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:17,490 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:17,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:17,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 315 states and 419 transitions. [2018-11-22 23:12:17,535 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 419 transitions. [2018-11-22 23:12:17,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-22 23:12:17,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:17,561 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 23:12:17,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:17,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 319 states and 426 transitions. [2018-11-22 23:12:17,776 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 426 transitions. [2018-11-22 23:12:17,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-22 23:12:17,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:17,806 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:12:18,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:18,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 332 states and 442 transitions. [2018-11-22 23:12:18,103 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 442 transitions. [2018-11-22 23:12:18,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-22 23:12:18,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:18,192 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:18,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:18,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 341 states and 456 transitions. [2018-11-22 23:12:18,635 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 456 transitions. [2018-11-22 23:12:18,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-22 23:12:18,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:18,685 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:18,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 342 states and 458 transitions. [2018-11-22 23:12:18,811 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 458 transitions. [2018-11-22 23:12:18,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-22 23:12:18,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:19,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:19,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 356 states and 477 transitions. [2018-11-22 23:12:19,364 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 477 transitions. [2018-11-22 23:12:19,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-22 23:12:19,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:19,392 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:19,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:19,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 357 states and 479 transitions. [2018-11-22 23:12:19,429 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 479 transitions. [2018-11-22 23:12:19,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-22 23:12:19,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:20,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:20,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 372 states and 499 transitions. [2018-11-22 23:12:20,171 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 499 transitions. [2018-11-22 23:12:20,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-22 23:12:20,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:20,227 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:20,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:20,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 376 states and 505 transitions. [2018-11-22 23:12:20,363 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 505 transitions. [2018-11-22 23:12:20,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-22 23:12:20,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:20,382 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 23:12:20,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:20,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 377 states and 505 transitions. [2018-11-22 23:12:20,424 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 505 transitions. [2018-11-22 23:12:20,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-22 23:12:20,425 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 23:12:20,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:20,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 390 states and 520 transitions. [2018-11-22 23:12:20,569 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 520 transitions. [2018-11-22 23:12:20,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-22 23:12:20,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:20,629 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:20,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:20,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 392 states and 523 transitions. [2018-11-22 23:12:20,760 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 523 transitions. [2018-11-22 23:12:20,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-22 23:12:20,761 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:20,789 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 23:12:21,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:21,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 403 states and 534 transitions. [2018-11-22 23:12:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 534 transitions. [2018-11-22 23:12:21,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-22 23:12:21,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:21,136 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-22 23:12:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:21,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 411 states and 543 transitions. [2018-11-22 23:12:21,440 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 543 transitions. [2018-11-22 23:12:21,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-22 23:12:21,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:21,470 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-22 23:12:21,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:21,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 425 states and 559 transitions. [2018-11-22 23:12:21,988 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 559 transitions. [2018-11-22 23:12:21,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-22 23:12:21,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:22,064 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 449 states and 593 transitions. [2018-11-22 23:12:22,814 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 593 transitions. [2018-11-22 23:12:22,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-22 23:12:22,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:22,837 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 23:12:22,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:22,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 452 states and 596 transitions. [2018-11-22 23:12:22,930 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 596 transitions. [2018-11-22 23:12:22,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-22 23:12:22,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:22,951 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 23:12:22,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:22,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 457 states and 601 transitions. [2018-11-22 23:12:22,977 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 601 transitions. [2018-11-22 23:12:22,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-22 23:12:22,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:22,995 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:23,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:23,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 464 states and 610 transitions. [2018-11-22 23:12:23,261 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 610 transitions. [2018-11-22 23:12:23,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-22 23:12:23,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 23:12:23,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:23,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 466 states and 615 transitions. [2018-11-22 23:12:23,441 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 615 transitions. [2018-11-22 23:12:23,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-22 23:12:23,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:23,488 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:23,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:23,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 469 states and 619 transitions. [2018-11-22 23:12:23,521 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 619 transitions. [2018-11-22 23:12:23,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-22 23:12:23,521 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:23,543 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:24,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:24,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 483 states and 633 transitions. [2018-11-22 23:12:24,025 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 633 transitions. [2018-11-22 23:12:24,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-22 23:12:24,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:24,050 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:24,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:24,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 486 states and 636 transitions. [2018-11-22 23:12:24,266 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 636 transitions. [2018-11-22 23:12:24,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-22 23:12:24,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:24,359 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:25,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 500 states and 655 transitions. [2018-11-22 23:12:25,168 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 655 transitions. [2018-11-22 23:12:25,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-22 23:12:25,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:25,185 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:25,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:25,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 514 states and 673 transitions. [2018-11-22 23:12:25,578 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 673 transitions. [2018-11-22 23:12:25,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-22 23:12:25,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:25,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:25,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 523 states and 682 transitions. [2018-11-22 23:12:25,669 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 682 transitions. [2018-11-22 23:12:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-22 23:12:25,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:26,075 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:27,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:27,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 548 states and 719 transitions. [2018-11-22 23:12:27,590 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 719 transitions. [2018-11-22 23:12:27,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-22 23:12:27,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:27,786 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:27,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:27,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 549 states and 721 transitions. [2018-11-22 23:12:27,982 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 721 transitions. [2018-11-22 23:12:27,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-22 23:12:27,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:28,008 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:28,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:28,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 565 states and 741 transitions. [2018-11-22 23:12:28,428 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 741 transitions. [2018-11-22 23:12:28,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-22 23:12:28,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-22 23:12:28,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 574 states and 752 transitions. [2018-11-22 23:12:28,597 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 752 transitions. [2018-11-22 23:12:28,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-22 23:12:28,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:29,029 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:29,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:29,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 588 states and 769 transitions. [2018-11-22 23:12:29,590 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 769 transitions. [2018-11-22 23:12:29,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-22 23:12:29,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:29,621 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 23:12:30,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:30,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 605 states and 789 transitions. [2018-11-22 23:12:30,147 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 789 transitions. [2018-11-22 23:12:30,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-22 23:12:30,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:30,167 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 23:12:30,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:30,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 613 states and 797 transitions. [2018-11-22 23:12:30,215 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 797 transitions. [2018-11-22 23:12:30,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-22 23:12:30,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:30,235 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 23:12:30,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:30,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 620 states and 808 transitions. [2018-11-22 23:12:30,763 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 808 transitions. [2018-11-22 23:12:30,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-22 23:12:30,763 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:30,786 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 23:12:31,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:31,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 624 states and 814 transitions. [2018-11-22 23:12:31,196 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 814 transitions. [2018-11-22 23:12:31,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-22 23:12:31,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:31,219 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 23:12:31,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:31,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 625 states and 815 transitions. [2018-11-22 23:12:31,433 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 815 transitions. [2018-11-22 23:12:31,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-22 23:12:31,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:31,456 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 23:12:31,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 626 states and 816 transitions. [2018-11-22 23:12:31,481 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 816 transitions. [2018-11-22 23:12:31,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-22 23:12:31,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:31,501 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 23:12:31,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:31,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 627 states and 818 transitions. [2018-11-22 23:12:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 818 transitions. [2018-11-22 23:12:31,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-22 23:12:31,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:31,718 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 23:12:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:31,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 629 states and 820 transitions. [2018-11-22 23:12:31,909 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 820 transitions. [2018-11-22 23:12:31,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-22 23:12:31,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:33,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:33,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 640 states and 840 transitions. [2018-11-22 23:12:33,570 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 840 transitions. [2018-11-22 23:12:33,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-22 23:12:33,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:33,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:33,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 643 states and 842 transitions. [2018-11-22 23:12:33,726 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 842 transitions. [2018-11-22 23:12:33,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-22 23:12:33,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:33,757 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:33,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:33,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 646 states and 845 transitions. [2018-11-22 23:12:33,998 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 845 transitions. [2018-11-22 23:12:33,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-22 23:12:33,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:34,150 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:34,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:34,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 648 states and 847 transitions. [2018-11-22 23:12:34,727 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 847 transitions. [2018-11-22 23:12:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-22 23:12:34,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:34,751 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:34,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:34,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 651 states and 849 transitions. [2018-11-22 23:12:34,977 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 849 transitions. [2018-11-22 23:12:34,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-22 23:12:34,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:35,010 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-22 23:12:35,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:35,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 654 states and 852 transitions. [2018-11-22 23:12:35,147 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 852 transitions. [2018-11-22 23:12:35,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-22 23:12:35,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:35,167 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 23:12:35,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:35,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 655 states and 853 transitions. [2018-11-22 23:12:35,182 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 853 transitions. [2018-11-22 23:12:35,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-22 23:12:35,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:35,318 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:12:35,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:35,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 664 states and 867 transitions. [2018-11-22 23:12:35,698 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 867 transitions. [2018-11-22 23:12:35,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-22 23:12:35,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:35,748 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:36,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:36,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 677 states and 885 transitions. [2018-11-22 23:12:36,000 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 885 transitions. [2018-11-22 23:12:36,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-22 23:12:36,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:36,346 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:38,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:38,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 722 states and 935 transitions. [2018-11-22 23:12:38,214 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 935 transitions. [2018-11-22 23:12:38,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-22 23:12:38,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:38,240 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:38,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:38,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 756 states and 971 transitions. [2018-11-22 23:12:38,565 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 971 transitions. [2018-11-22 23:12:38,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-22 23:12:38,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:38,597 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:40,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:40,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 773 states and 992 transitions. [2018-11-22 23:12:40,084 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 992 transitions. [2018-11-22 23:12:40,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-22 23:12:40,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:40,375 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 23:12:41,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:41,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 782 states and 1007 transitions. [2018-11-22 23:12:41,639 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1007 transitions. [2018-11-22 23:12:41,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-22 23:12:41,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:41,660 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 23:12:41,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:41,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 795 states and 1020 transitions. [2018-11-22 23:12:41,707 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1020 transitions. [2018-11-22 23:12:41,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-22 23:12:41,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:41,734 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 23:12:41,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:41,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 796 states and 1022 transitions. [2018-11-22 23:12:41,770 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1022 transitions. [2018-11-22 23:12:41,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-22 23:12:41,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 23:12:42,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:42,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 806 states and 1032 transitions. [2018-11-22 23:12:42,466 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1032 transitions. [2018-11-22 23:12:42,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-22 23:12:42,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:42,505 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 23:12:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:42,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 807 states and 1033 transitions. [2018-11-22 23:12:42,751 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1033 transitions. [2018-11-22 23:12:42,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-22 23:12:42,752 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:42,778 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 23:12:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:42,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 808 states and 1033 transitions. [2018-11-22 23:12:42,925 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1033 transitions. [2018-11-22 23:12:42,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-22 23:12:42,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:43,211 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 23:12:44,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:44,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 847 states and 1076 transitions. [2018-11-22 23:12:44,376 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1076 transitions. [2018-11-22 23:12:44,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-22 23:12:44,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:44,400 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:12:44,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:44,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 852 states and 1082 transitions. [2018-11-22 23:12:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1082 transitions. [2018-11-22 23:12:44,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-22 23:12:44,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-22 23:12:44,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 865 states and 1099 transitions. [2018-11-22 23:12:44,955 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1099 transitions. [2018-11-22 23:12:44,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-22 23:12:44,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:45,486 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 23:12:46,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:46,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 878 states and 1118 transitions. [2018-11-22 23:12:46,714 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1118 transitions. [2018-11-22 23:12:46,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-22 23:12:46,715 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:46,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:46,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 895 states and 1137 transitions. [2018-11-22 23:12:46,824 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1137 transitions. [2018-11-22 23:12:46,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-22 23:12:46,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:46,860 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:46,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:46,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 914 states and 1160 transitions. [2018-11-22 23:12:46,929 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1160 transitions. [2018-11-22 23:12:46,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-22 23:12:46,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:47,077 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:48,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 926 states and 1186 transitions. [2018-11-22 23:12:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1186 transitions. [2018-11-22 23:12:48,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-22 23:12:48,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:48,341 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:48,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:48,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 933 states and 1194 transitions. [2018-11-22 23:12:48,511 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1194 transitions. [2018-11-22 23:12:48,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-22 23:12:48,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:12:48,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:48,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 934 states and 1195 transitions. [2018-11-22 23:12:48,821 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1195 transitions. [2018-11-22 23:12:48,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-22 23:12:48,822 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:48,851 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 23:12:49,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:49,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 941 states and 1204 transitions. [2018-11-22 23:12:49,148 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1204 transitions. [2018-11-22 23:12:49,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-22 23:12:49,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:49,193 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 23:12:49,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 942 states and 1205 transitions. [2018-11-22 23:12:49,218 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1205 transitions. [2018-11-22 23:12:49,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-22 23:12:49,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 23:12:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:49,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 944 states and 1206 transitions. [2018-11-22 23:12:49,320 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1206 transitions. [2018-11-22 23:12:49,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-22 23:12:49,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:49,358 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 23:12:49,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:49,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 946 states and 1207 transitions. [2018-11-22 23:12:49,404 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1207 transitions. [2018-11-22 23:12:49,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-22 23:12:49,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-22 23:12:49,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:49,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 948 states and 1217 transitions. [2018-11-22 23:12:49,494 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1217 transitions. [2018-11-22 23:12:49,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-22 23:12:49,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:49,523 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 23:12:49,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:49,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 965 states and 1235 transitions. [2018-11-22 23:12:49,582 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1235 transitions. [2018-11-22 23:12:49,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-22 23:12:49,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:49,625 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-22 23:12:49,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:49,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 969 states and 1238 transitions. [2018-11-22 23:12:49,880 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1238 transitions. [2018-11-22 23:12:49,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-22 23:12:49,881 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:49,931 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:49,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 979 states and 1249 transitions. [2018-11-22 23:12:49,978 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1249 transitions. [2018-11-22 23:12:49,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-22 23:12:49,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:50,082 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:50,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:50,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 982 states and 1256 transitions. [2018-11-22 23:12:50,532 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1256 transitions. [2018-11-22 23:12:50,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-22 23:12:50,533 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:50,576 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:51,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:51,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 989 states and 1263 transitions. [2018-11-22 23:12:51,482 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1263 transitions. [2018-11-22 23:12:51,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-22 23:12:51,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:51,509 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-22 23:12:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:51,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 993 states and 1267 transitions. [2018-11-22 23:12:51,538 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1267 transitions. [2018-11-22 23:12:51,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-22 23:12:51,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:51,570 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-22 23:12:51,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:51,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 996 states and 1271 transitions. [2018-11-22 23:12:51,858 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1271 transitions. [2018-11-22 23:12:51,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-22 23:12:51,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-22 23:12:52,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:52,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1002 states and 1275 transitions. [2018-11-22 23:12:52,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1275 transitions. [2018-11-22 23:12:52,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-22 23:12:52,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:52,586 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:53,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1035 states and 1310 transitions. [2018-11-22 23:12:53,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1310 transitions. [2018-11-22 23:12:53,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-22 23:12:53,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:53,808 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:53,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1037 states and 1311 transitions. [2018-11-22 23:12:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1311 transitions. [2018-11-22 23:12:53,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-22 23:12:53,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:53,950 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-22 23:12:56,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:56,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1142 states and 1425 transitions. [2018-11-22 23:12:56,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1425 transitions. [2018-11-22 23:12:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-22 23:12:56,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:56,683 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-22 23:12:58,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:58,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1167 states and 1452 transitions. [2018-11-22 23:12:58,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1452 transitions. [2018-11-22 23:12:58,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-22 23:12:58,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-11-22 23:12:58,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:58,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1168 states and 1452 transitions. [2018-11-22 23:12:58,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1452 transitions. [2018-11-22 23:12:58,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-22 23:12:58,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-11-22 23:12:58,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:58,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1169 states and 1452 transitions. [2018-11-22 23:12:58,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1452 transitions. [2018-11-22 23:12:58,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-22 23:12:58,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:59,042 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-11-22 23:12:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:59,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1170 states and 1452 transitions. [2018-11-22 23:12:59,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1452 transitions. [2018-11-22 23:12:59,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-22 23:12:59,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:59,805 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-22 23:13:01,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:01,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1238 states and 1530 transitions. [2018-11-22 23:13:01,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1530 transitions. [2018-11-22 23:13:01,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-22 23:13:01,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:01,763 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-22 23:13:02,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:02,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1260 states and 1553 transitions. [2018-11-22 23:13:02,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1553 transitions. [2018-11-22 23:13:02,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-22 23:13:02,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:02,554 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-22 23:13:02,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:02,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1277 states and 1569 transitions. [2018-11-22 23:13:02,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1569 transitions. [2018-11-22 23:13:02,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-22 23:13:02,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:02,926 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-22 23:13:03,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:03,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1288 states and 1579 transitions. [2018-11-22 23:13:03,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1579 transitions. [2018-11-22 23:13:03,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-22 23:13:03,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:03,830 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-22 23:13:05,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:05,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1314 states and 1608 transitions. [2018-11-22 23:13:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1608 transitions. [2018-11-22 23:13:05,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-22 23:13:05,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:05,100 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-22 23:13:05,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:05,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1618 states to 1324 states and 1618 transitions. [2018-11-22 23:13:05,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1618 transitions. [2018-11-22 23:13:05,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-22 23:13:05,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:06,054 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-11-22 23:13:06,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:06,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1330 states and 1623 transitions. [2018-11-22 23:13:06,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1623 transitions. [2018-11-22 23:13:06,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-22 23:13:06,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:06,329 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-11-22 23:13:06,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:06,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1334 states and 1626 transitions. [2018-11-22 23:13:06,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1626 transitions. [2018-11-22 23:13:06,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-22 23:13:06,531 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:06,573 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-22 23:13:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:06,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1338 states and 1633 transitions. [2018-11-22 23:13:06,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1633 transitions. [2018-11-22 23:13:06,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-22 23:13:06,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:06,749 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-22 23:13:07,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:07,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1342 states and 1636 transitions. [2018-11-22 23:13:07,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1636 transitions. [2018-11-22 23:13:07,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-22 23:13:07,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:07,142 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-22 23:13:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1354 states and 1649 transitions. [2018-11-22 23:13:08,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1649 transitions. [2018-11-22 23:13:08,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-22 23:13:08,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:08,495 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-22 23:13:09,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:09,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1370 states and 1669 transitions. [2018-11-22 23:13:09,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1669 transitions. [2018-11-22 23:13:09,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-22 23:13:09,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:09,568 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-22 23:13:09,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:09,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1374 states and 1673 transitions. [2018-11-22 23:13:09,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 1673 transitions. [2018-11-22 23:13:09,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-22 23:13:09,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:09,783 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-22 23:13:09,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:09,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1375 states and 1674 transitions. [2018-11-22 23:13:09,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1674 transitions. [2018-11-22 23:13:09,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-22 23:13:09,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:09,881 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-22 23:13:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:09,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1378 states and 1676 transitions. [2018-11-22 23:13:09,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1676 transitions. [2018-11-22 23:13:09,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-22 23:13:09,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 214 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-22 23:13:14,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:14,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1447 states and 1755 transitions. [2018-11-22 23:13:14,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 1755 transitions. [2018-11-22 23:13:14,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-22 23:13:14,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:14,707 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 214 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-22 23:13:15,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:16,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1473 states and 1782 transitions. [2018-11-22 23:13:16,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1782 transitions. [2018-11-22 23:13:16,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-22 23:13:16,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:16,051 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-22 23:13:16,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:16,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1485 states and 1794 transitions. [2018-11-22 23:13:16,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1794 transitions. [2018-11-22 23:13:16,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-22 23:13:16,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:16,527 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 221 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-22 23:13:16,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:16,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1489 states and 1798 transitions. [2018-11-22 23:13:16,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1798 transitions. [2018-11-22 23:13:16,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-22 23:13:16,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:16,789 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 221 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-22 23:13:17,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:17,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1497 states and 1806 transitions. [2018-11-22 23:13:17,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1806 transitions. [2018-11-22 23:13:17,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-22 23:13:17,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 221 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-22 23:13:17,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:17,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1503 states and 1810 transitions. [2018-11-22 23:13:17,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1810 transitions. [2018-11-22 23:13:17,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-22 23:13:17,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:17,465 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 221 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-22 23:13:18,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:18,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1517 states and 1824 transitions. [2018-11-22 23:13:18,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1824 transitions. [2018-11-22 23:13:18,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-22 23:13:18,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:18,540 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-22 23:13:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:19,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1521 states and 1833 transitions. [2018-11-22 23:13:19,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1833 transitions. [2018-11-22 23:13:19,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-22 23:13:19,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:19,218 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-22 23:13:20,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1541 states and 1855 transitions. [2018-11-22 23:13:20,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1855 transitions. [2018-11-22 23:13:20,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-22 23:13:20,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:20,935 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-22 23:13:20,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:20,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1543 states and 1857 transitions. [2018-11-22 23:13:20,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1857 transitions. [2018-11-22 23:13:20,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-22 23:13:20,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:22,255 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 247 proven. 70 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-22 23:13:27,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:27,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1588 states and 1920 transitions. [2018-11-22 23:13:27,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1920 transitions. [2018-11-22 23:13:27,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-22 23:13:27,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:28,385 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 247 proven. 70 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-22 23:13:29,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:29,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1595 states and 1926 transitions. [2018-11-22 23:13:29,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 1926 transitions. [2018-11-22 23:13:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-22 23:13:29,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:31,028 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 247 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-22 23:13:35,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:35,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 1664 states and 2008 transitions. [2018-11-22 23:13:35,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2008 transitions. [2018-11-22 23:13:35,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-22 23:13:35,278 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:35,588 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 247 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-22 23:13:35,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 1666 states and 2010 transitions. [2018-11-22 23:13:35,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2010 transitions. [2018-11-22 23:13:35,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-22 23:13:35,999 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:36,064 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-22 23:13:36,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:36,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 1667 states and 2010 transitions. [2018-11-22 23:13:36,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2010 transitions. [2018-11-22 23:13:36,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-22 23:13:36,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:36,195 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 255 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-22 23:13:43,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:43,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1758 states and 2133 transitions. [2018-11-22 23:13:43,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 2133 transitions. [2018-11-22 23:13:43,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-22 23:13:43,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:43,985 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 255 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-22 23:13:45,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:45,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 1782 states and 2156 transitions. [2018-11-22 23:13:45,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2156 transitions. [2018-11-22 23:13:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-22 23:13:45,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 255 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-22 23:13:45,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 1793 states and 2168 transitions. [2018-11-22 23:13:45,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2168 transitions. [2018-11-22 23:13:45,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-22 23:13:45,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:45,938 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 255 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-22 23:13:46,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:46,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 1804 states and 2179 transitions. [2018-11-22 23:13:46,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2179 transitions. [2018-11-22 23:13:46,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-22 23:13:46,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:46,818 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 255 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-22 23:13:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:46,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1805 states and 2180 transitions. [2018-11-22 23:13:46,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2180 transitions. [2018-11-22 23:13:46,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-22 23:13:46,872 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:47,057 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 255 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-22 23:13:47,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:47,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1810 states and 2183 transitions. [2018-11-22 23:13:47,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2183 transitions. [2018-11-22 23:13:47,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-22 23:13:47,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 255 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-22 23:13:47,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:47,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1811 states and 2183 transitions. [2018-11-22 23:13:47,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2183 transitions. [2018-11-22 23:13:47,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-22 23:13:47,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:47,939 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 212 proven. 10 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-11-22 23:13:49,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 1830 states and 2210 transitions. [2018-11-22 23:13:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2210 transitions. [2018-11-22 23:13:49,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-22 23:13:49,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:49,929 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-11-22 23:13:50,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:50,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1836 states and 2220 transitions. [2018-11-22 23:13:50,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2220 transitions. [2018-11-22 23:13:51,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-22 23:13:51,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-22 23:13:53,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:53,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 1854 states and 2241 transitions. [2018-11-22 23:13:53,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2241 transitions. [2018-11-22 23:13:53,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-22 23:13:53,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:54,037 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 225 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-11-22 23:13:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:13:57,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 1925 states and 2320 transitions. [2018-11-22 23:13:57,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2320 transitions. [2018-11-22 23:13:57,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-22 23:13:57,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:13:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:13:59,650 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-22 23:14:04,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:04,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 1938 states and 2337 transitions. [2018-11-22 23:14:04,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2337 transitions. [2018-11-22 23:14:04,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-22 23:14:04,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:04,215 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-22 23:14:05,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:05,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 1961 states and 2359 transitions. [2018-11-22 23:14:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2359 transitions. [2018-11-22 23:14:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-22 23:14:05,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:05,997 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-11-22 23:14:06,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:06,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 1964 states and 2363 transitions. [2018-11-22 23:14:06,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2363 transitions. [2018-11-22 23:14:06,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-22 23:14:06,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:08,457 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-22 23:14:14,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:14,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2007 states and 2410 transitions. [2018-11-22 23:14:14,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2410 transitions. [2018-11-22 23:14:14,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-22 23:14:14,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-22 23:14:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:16,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2019 states and 2420 transitions. [2018-11-22 23:14:16,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 2420 transitions. [2018-11-22 23:14:16,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-22 23:14:16,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:17,792 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-22 23:14:22,757 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-11-22 23:14:26,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:26,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2086 states and 2491 transitions. [2018-11-22 23:14:26,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 2491 transitions. [2018-11-22 23:14:26,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-22 23:14:26,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:26,215 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-22 23:14:27,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:27,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2102 states and 2506 transitions. [2018-11-22 23:14:27,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2506 transitions. [2018-11-22 23:14:27,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-22 23:14:27,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:28,438 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 241 proven. 8 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-11-22 23:14:30,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:30,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2113 states and 2520 transitions. [2018-11-22 23:14:30,718 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2520 transitions. [2018-11-22 23:14:30,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-22 23:14:30,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:31,029 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-22 23:14:31,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:31,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2115 states and 2522 transitions. [2018-11-22 23:14:31,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2522 transitions. [2018-11-22 23:14:31,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-22 23:14:31,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:32,282 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2018-11-22 23:14:34,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:34,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2566 states to 2157 states and 2566 transitions. [2018-11-22 23:14:34,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2566 transitions. [2018-11-22 23:14:34,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-22 23:14:34,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:34,392 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-22 23:14:35,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:35,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 2167 states and 2574 transitions. [2018-11-22 23:14:35,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2574 transitions. [2018-11-22 23:14:35,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-22 23:14:35,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:37,861 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-11-22 23:14:42,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:42,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2212 states and 2624 transitions. [2018-11-22 23:14:42,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2624 transitions. [2018-11-22 23:14:42,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-22 23:14:42,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:42,604 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-11-22 23:14:43,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:43,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2627 states to 2215 states and 2627 transitions. [2018-11-22 23:14:43,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 2627 transitions. [2018-11-22 23:14:43,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-22 23:14:43,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-22 23:14:45,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:45,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 2221 states and 2635 transitions. [2018-11-22 23:14:45,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 2635 transitions. [2018-11-22 23:14:45,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-22 23:14:45,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:47,860 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-11-22 23:14:53,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:53,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 2281 states and 2697 transitions. [2018-11-22 23:14:53,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 2697 transitions. [2018-11-22 23:14:53,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-22 23:14:53,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-11-22 23:14:54,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:54,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2286 states and 2701 transitions. [2018-11-22 23:14:54,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 2701 transitions. [2018-11-22 23:14:54,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-22 23:14:54,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:55,498 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 387 proven. 128 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-22 23:15:01,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:15:01,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2327 states and 2759 transitions. [2018-11-22 23:15:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 2759 transitions. [2018-11-22 23:15:01,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-22 23:15:01,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:15:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:15:01,763 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 387 proven. 128 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-22 23:15:04,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:15:04,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2780 states to 2346 states and 2780 transitions. [2018-11-22 23:15:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 2780 transitions. [2018-11-22 23:15:04,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-22 23:15:04,161 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:15:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:15:04,300 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 387 proven. 128 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-22 23:15:04,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:15:04,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2348 states and 2781 transitions. [2018-11-22 23:15:04,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 2781 transitions. [2018-11-22 23:15:04,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-22 23:15:04,899 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:15:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:15:05,184 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 387 proven. 128 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-22 23:15:05,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:15:05,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2349 states and 2781 transitions. [2018-11-22 23:15:05,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 2781 transitions. [2018-11-22 23:15:05,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-22 23:15:05,806 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:15:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:15:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 437 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-22 23:15:07,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:15:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2360 states and 2790 transitions. [2018-11-22 23:15:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 2790 transitions. [2018-11-22 23:15:07,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-22 23:15:07,072 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:15:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:15:09,981 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-22 23:15:13,463 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-11-22 23:15:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:15:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2428 states and 2886 transitions. [2018-11-22 23:15:25,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 2886 transitions. [2018-11-22 23:15:25,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-22 23:15:25,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:15:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:15:25,857 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-22 23:15:31,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:15:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2491 states and 2960 transitions. [2018-11-22 23:15:31,334 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 2960 transitions. [2018-11-22 23:15:31,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-22 23:15:31,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:15:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:15:31,427 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 437 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-22 23:15:31,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:15:31,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2497 states and 2965 transitions. [2018-11-22 23:15:31,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 2965 transitions. [2018-11-22 23:15:31,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-22 23:15:31,996 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:15:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:15:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 196 proven. 12 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-11-22 23:15:37,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:15:37,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 2567 states and 3036 transitions. [2018-11-22 23:15:37,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 3036 transitions. [2018-11-22 23:15:37,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-22 23:15:37,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:15:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:15:37,567 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 196 proven. 12 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-11-22 23:15:38,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:15:38,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2418 states and 2876 transitions. [2018-11-22 23:15:38,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 2876 transitions. [2018-11-22 23:15:38,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:15:38,263 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 160 iterations. [2018-11-22 23:15:38,271 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 23:15:38,451 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2018-11-22 23:15:38,620 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2018-11-22 23:15:38,778 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 36 [2018-11-22 23:15:38,948 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 46 [2018-11-22 23:15:39,098 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 34 [2018-11-22 23:15:39,278 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 33 [2018-11-22 23:15:39,408 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2018-11-22 23:15:39,600 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-11-22 23:15:39,771 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 36 [2018-11-22 23:15:40,159 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 47 [2018-11-22 23:15:40,493 WARN L180 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2018-11-22 23:15:40,725 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 36 [2018-11-22 23:15:40,902 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 36 [2018-11-22 23:15:41,172 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 47 [2018-11-22 23:15:41,436 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 36 [2018-11-22 23:15:41,610 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 45 [2018-11-22 23:15:41,759 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 34 [2018-11-22 23:15:41,986 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 47 [2018-11-22 23:15:42,217 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 46 [2018-11-22 23:15:42,354 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 46 [2018-11-22 23:15:42,491 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 46 [2018-11-22 23:15:42,726 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2018-11-22 23:15:42,934 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 45 [2018-11-22 23:15:43,068 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 46 [2018-11-22 23:15:43,413 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 47 [2018-11-22 23:15:43,631 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2018-11-22 23:15:43,999 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-11-22 23:15:44,280 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 47 [2018-11-22 23:15:44,502 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 47 [2018-11-22 23:15:44,812 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 46 [2018-11-22 23:15:44,933 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 26 [2018-11-22 23:15:45,137 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 46 [2018-11-22 23:15:45,384 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 46 [2018-11-22 23:15:45,591 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 46 [2018-11-22 23:15:45,776 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 36 [2018-11-22 23:15:46,071 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 59 [2018-11-22 23:15:46,322 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2018-11-22 23:15:46,493 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 46 [2018-11-22 23:15:46,654 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 34 [2018-11-22 23:15:46,847 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 34 [2018-11-22 23:15:47,001 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 34 [2018-11-22 23:15:47,226 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 47 [2018-11-22 23:15:47,377 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 36 [2018-11-22 23:15:47,377 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:15:47,379 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-22 23:15:47,387 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-22 23:15:47,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:15:47 ImpRootNode [2018-11-22 23:15:47,389 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 23:15:47,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:15:47,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:15:47,389 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:15:47,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:14" (3/4) ... [2018-11-22 23:15:47,394 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:15:47,410 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-11-22 23:15:47,411 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-22 23:15:47,412 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 23:15:47,413 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:15:47,516 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b4de6ce3-a0b3-4dc1-b01e-aaa3d219ba95/bin-2019/ukojak/witness.graphml [2018-11-22 23:15:47,516 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:15:47,517 INFO L168 Benchmark]: Toolchain (without parser) took 215524.99 ms. Allocated memory was 1.0 GB in the beginning and 4.0 GB in the end (delta: 3.0 GB). Free memory was 944.6 MB in the beginning and 1.0 GB in the end (delta: -94.0 MB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. [2018-11-22 23:15:47,518 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:15:47,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.57 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 912.4 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:15:47,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 912.4 MB in the beginning and 1.2 GB in the end (delta: -254.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:15:47,519 INFO L168 Benchmark]: Boogie Preprocessor took 53.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:15:47,519 INFO L168 Benchmark]: RCFGBuilder took 1988.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 932.4 MB in the end (delta: 225.2 MB). Peak memory consumption was 225.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:15:47,520 INFO L168 Benchmark]: CodeCheck took 212774.09 ms. Allocated memory was 1.2 GB in the beginning and 4.0 GB in the end (delta: 2.8 GB). Free memory was 932.4 MB in the beginning and 1.0 GB in the end (delta: -106.2 MB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. [2018-11-22 23:15:47,520 INFO L168 Benchmark]: Witness Printer took 126.85 ms. Allocated memory is still 4.0 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.1 kB). Peak memory consumption was 19.1 kB. Max. memory is 11.5 GB. [2018-11-22 23:15:47,522 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 203.6s OverallTime, 160 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1763723436 SDtfs, 103801288 SDslu, -2118009536 SDs, 0 SdLazy, -1306855716 SolverSat, -717476840 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 553.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189579 GetRequests, 184358 SyntacticMatches, 3499 SemanticMatches, 1722 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2134281 ImplicationChecksByTransitivity, 179.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 29.1s InterpolantComputationTime, 29302 NumberOfCodeBlocks, 29302 NumberOfCodeBlocksAsserted, 159 NumberOfCheckSat, 29143 ConstructedInterpolants, 0 QuantifiedInterpolants, 28846585 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 159 InterpolantComputations, 125 PerfectInterpolantSequences, 33236/34154 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: 509]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a20 == 1 || !(a17 == 1)) || a8 == 15) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a20 == 1 || a8 == 15) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0)) || !(a17 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 460.57 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 912.4 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 115.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 912.4 MB in the beginning and 1.2 GB in the end (delta: -254.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1988.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 932.4 MB in the end (delta: 225.2 MB). Peak memory consumption was 225.2 MB. Max. memory is 11.5 GB. * CodeCheck took 212774.09 ms. Allocated memory was 1.2 GB in the beginning and 4.0 GB in the end (delta: 2.8 GB). Free memory was 932.4 MB in the beginning and 1.0 GB in the end (delta: -106.2 MB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. * Witness Printer took 126.85 ms. Allocated memory is still 4.0 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.1 kB). Peak memory consumption was 19.1 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...