./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fe51aa98-d1c7-4607-aa6e-9dd5718cadf7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fe51aa98-d1c7-4607-aa6e-9dd5718cadf7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fe51aa98-d1c7-4607-aa6e-9dd5718cadf7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fe51aa98-d1c7-4607-aa6e-9dd5718cadf7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fe51aa98-d1c7-4607-aa6e-9dd5718cadf7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fe51aa98-d1c7-4607-aa6e-9dd5718cadf7/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e521cfa02db8c2eac8727300620f5ffec2ecc0c7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:41:13,718 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:41:13,719 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:41:13,727 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:41:13,727 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:41:13,728 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:41:13,729 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:41:13,730 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:41:13,731 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:41:13,731 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:41:13,732 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:41:13,732 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:41:13,733 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:41:13,733 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:41:13,734 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:41:13,734 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:41:13,735 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:41:13,737 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:41:13,738 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:41:13,739 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:41:13,740 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:41:13,741 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:41:13,742 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:41:13,742 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:41:13,743 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:41:13,743 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:41:13,744 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:41:13,745 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:41:13,745 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:41:13,746 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:41:13,746 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:41:13,747 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:41:13,747 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:41:13,747 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:41:13,748 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:41:13,749 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:41:13,749 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fe51aa98-d1c7-4607-aa6e-9dd5718cadf7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:41:13,759 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:41:13,759 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:41:13,759 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:41:13,760 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:41:13,760 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:41:13,760 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:41:13,760 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:41:13,760 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:41:13,760 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:41:13,761 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:41:13,761 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:41:13,761 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:41:13,761 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:41:13,761 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:41:13,761 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:41:13,761 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:41:13,761 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:41:13,762 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:41:13,762 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:41:13,762 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:41:13,762 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:41:13,762 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:41:13,762 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:41:13,762 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:41:13,762 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:41:13,762 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:41:13,763 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:41:13,763 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:41:13,763 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:41:13,763 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_fe51aa98-d1c7-4607-aa6e-9dd5718cadf7/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e521cfa02db8c2eac8727300620f5ffec2ecc0c7 [2018-11-18 15:41:13,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:41:13,796 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:41:13,799 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:41:13,800 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:41:13,800 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:41:13,801 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fe51aa98-d1c7-4607-aa6e-9dd5718cadf7/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c [2018-11-18 15:41:13,840 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe51aa98-d1c7-4607-aa6e-9dd5718cadf7/bin-2019/ukojak/data/ea77d5bd0/415be9263baf4e989c2270c862e78aa3/FLAG863154745 [2018-11-18 15:41:14,198 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:41:14,198 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fe51aa98-d1c7-4607-aa6e-9dd5718cadf7/sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c [2018-11-18 15:41:14,208 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe51aa98-d1c7-4607-aa6e-9dd5718cadf7/bin-2019/ukojak/data/ea77d5bd0/415be9263baf4e989c2270c862e78aa3/FLAG863154745 [2018-11-18 15:41:14,219 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fe51aa98-d1c7-4607-aa6e-9dd5718cadf7/bin-2019/ukojak/data/ea77d5bd0/415be9263baf4e989c2270c862e78aa3 [2018-11-18 15:41:14,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:41:14,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:41:14,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:41:14,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:41:14,224 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:41:14,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:41:14" (1/1) ... [2018-11-18 15:41:14,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ec56fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:14, skipping insertion in model container [2018-11-18 15:41:14,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:41:14" (1/1) ... [2018-11-18 15:41:14,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:41:14,264 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:41:14,480 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:41:14,483 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:41:14,546 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:41:14,559 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:41:14,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:14 WrapperNode [2018-11-18 15:41:14,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:41:14,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:41:14,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:41:14,560 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:41:14,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:14" (1/1) ... [2018-11-18 15:41:14,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:14" (1/1) ... [2018-11-18 15:41:14,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:41:14,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:41:14,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:41:14,656 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:41:14,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:14" (1/1) ... [2018-11-18 15:41:14,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:14" (1/1) ... [2018-11-18 15:41:14,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:14" (1/1) ... [2018-11-18 15:41:14,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:14" (1/1) ... [2018-11-18 15:41:14,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:14" (1/1) ... [2018-11-18 15:41:14,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:14" (1/1) ... [2018-11-18 15:41:14,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:14" (1/1) ... [2018-11-18 15:41:14,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:41:14,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:41:14,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:41:14,697 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:41:14,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe51aa98-d1c7-4607-aa6e-9dd5718cadf7/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 [2018-11-18 15:41:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 15:41:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:41:14,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:41:16,252 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:41:16,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:41:16 BoogieIcfgContainer [2018-11-18 15:41:16,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:41:16,252 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:41:16,253 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:41:16,259 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:41:16,260 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:41:16" (1/1) ... [2018-11-18 15:41:16,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:41:16,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:16,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 15:41:16,291 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 15:41:16,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 15:41:16,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:16,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:16,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 165 states and 244 transitions. [2018-11-18 15:41:16,918 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 244 transitions. [2018-11-18 15:41:16,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 15:41:16,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:16,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:17,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:17,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 245 states and 339 transitions. [2018-11-18 15:41:17,323 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 339 transitions. [2018-11-18 15:41:17,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 15:41:17,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:17,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:17,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 250 states and 345 transitions. [2018-11-18 15:41:17,491 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 345 transitions. [2018-11-18 15:41:17,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 15:41:17,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:17,537 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:17,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 260 states and 360 transitions. [2018-11-18 15:41:17,660 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 360 transitions. [2018-11-18 15:41:17,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 15:41:17,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:17,683 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:17,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:17,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 263 states and 363 transitions. [2018-11-18 15:41:17,699 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 363 transitions. [2018-11-18 15:41:17,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 15:41:17,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 15:41:17,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:17,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 268 states and 371 transitions. [2018-11-18 15:41:17,869 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 371 transitions. [2018-11-18 15:41:17,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 15:41:17,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:17,908 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 15:41:18,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:18,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 273 states and 377 transitions. [2018-11-18 15:41:18,040 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 377 transitions. [2018-11-18 15:41:18,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 15:41:18,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:18,084 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:18,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:18,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 291 states and 403 transitions. [2018-11-18 15:41:18,240 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 403 transitions. [2018-11-18 15:41:18,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 15:41:18,241 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:18,322 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:18,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:18,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 310 states and 429 transitions. [2018-11-18 15:41:18,720 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 429 transitions. [2018-11-18 15:41:18,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 15:41:18,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:18,781 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:18,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:18,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 314 states and 436 transitions. [2018-11-18 15:41:18,871 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 436 transitions. [2018-11-18 15:41:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 15:41:18,872 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:18,896 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:18,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:18,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 318 states and 440 transitions. [2018-11-18 15:41:18,989 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 440 transitions. [2018-11-18 15:41:18,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 15:41:18,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:19,081 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:19,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:19,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 342 states and 472 transitions. [2018-11-18 15:41:19,556 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 472 transitions. [2018-11-18 15:41:19,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 15:41:19,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:19,578 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:41:19,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:19,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 344 states and 474 transitions. [2018-11-18 15:41:19,625 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 474 transitions. [2018-11-18 15:41:19,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 15:41:19,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:19,731 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:41:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:20,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 424 states and 559 transitions. [2018-11-18 15:41:20,257 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 559 transitions. [2018-11-18 15:41:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 15:41:20,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:20,286 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:20,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:20,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 429 states and 565 transitions. [2018-11-18 15:41:20,435 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 565 transitions. [2018-11-18 15:41:20,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 15:41:20,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:20,503 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 15:41:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:20,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 434 states and 574 transitions. [2018-11-18 15:41:20,774 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 574 transitions. [2018-11-18 15:41:20,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 15:41:20,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:20,793 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 15:41:20,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:20,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 438 states and 579 transitions. [2018-11-18 15:41:20,906 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 579 transitions. [2018-11-18 15:41:20,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 15:41:20,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:20,923 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 15:41:21,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:21,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 442 states and 584 transitions. [2018-11-18 15:41:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 584 transitions. [2018-11-18 15:41:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 15:41:21,033 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:21,055 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:41:21,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:21,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 444 states and 586 transitions. [2018-11-18 15:41:21,133 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 586 transitions. [2018-11-18 15:41:21,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 15:41:21,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:21,155 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:41:21,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:21,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 455 states and 600 transitions. [2018-11-18 15:41:21,477 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 600 transitions. [2018-11-18 15:41:21,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 15:41:21,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:41:21,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:21,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 464 states and 611 transitions. [2018-11-18 15:41:21,714 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 611 transitions. [2018-11-18 15:41:21,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 15:41:21,714 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:41:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 466 states and 612 transitions. [2018-11-18 15:41:21,860 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 612 transitions. [2018-11-18 15:41:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 15:41:21,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:21,968 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:41:22,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:22,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 476 states and 626 transitions. [2018-11-18 15:41:22,240 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 626 transitions. [2018-11-18 15:41:22,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 15:41:22,240 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:22,265 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:41:22,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:22,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 479 states and 630 transitions. [2018-11-18 15:41:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 630 transitions. [2018-11-18 15:41:22,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 15:41:22,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:41:22,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:22,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 481 states and 631 transitions. [2018-11-18 15:41:22,556 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 631 transitions. [2018-11-18 15:41:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 15:41:22,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:22,719 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:41:23,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:23,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 510 states and 669 transitions. [2018-11-18 15:41:23,483 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 669 transitions. [2018-11-18 15:41:23,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 15:41:23,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:41:23,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:23,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 516 states and 675 transitions. [2018-11-18 15:41:23,886 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 675 transitions. [2018-11-18 15:41:23,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 15:41:23,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:24,203 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:41:25,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:25,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 558 states and 732 transitions. [2018-11-18 15:41:25,617 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 732 transitions. [2018-11-18 15:41:25,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 15:41:25,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:25,656 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:41:25,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:25,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 562 states and 736 transitions. [2018-11-18 15:41:25,889 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 736 transitions. [2018-11-18 15:41:25,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 15:41:25,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:25,904 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 15:41:25,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:25,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 563 states and 737 transitions. [2018-11-18 15:41:25,915 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 737 transitions. [2018-11-18 15:41:25,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 15:41:25,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:25,931 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:41:26,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:26,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 580 states and 757 transitions. [2018-11-18 15:41:26,141 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 757 transitions. [2018-11-18 15:41:26,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 15:41:26,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:26,160 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 585 states and 763 transitions. [2018-11-18 15:41:26,325 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 763 transitions. [2018-11-18 15:41:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 15:41:26,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 15:41:26,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 586 states and 765 transitions. [2018-11-18 15:41:26,478 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 765 transitions. [2018-11-18 15:41:26,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 15:41:26,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:26,494 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:41:26,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:26,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 588 states and 767 transitions. [2018-11-18 15:41:26,508 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 767 transitions. [2018-11-18 15:41:26,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 15:41:26,509 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:26,528 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:41:26,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:26,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 590 states and 769 transitions. [2018-11-18 15:41:26,546 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 769 transitions. [2018-11-18 15:41:26,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 15:41:26,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:26,566 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:41:26,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:26,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 594 states and 772 transitions. [2018-11-18 15:41:26,681 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 772 transitions. [2018-11-18 15:41:26,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 15:41:26,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:26,872 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 15:41:28,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:28,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 646 states and 837 transitions. [2018-11-18 15:41:28,069 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 837 transitions. [2018-11-18 15:41:28,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 15:41:28,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 15:41:28,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:28,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 670 states and 861 transitions. [2018-11-18 15:41:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 861 transitions. [2018-11-18 15:41:28,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 15:41:28,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:28,800 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 15:41:28,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:28,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 674 states and 865 transitions. [2018-11-18 15:41:28,949 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 865 transitions. [2018-11-18 15:41:28,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 15:41:28,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:28,979 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:29,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:29,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 690 states and 881 transitions. [2018-11-18 15:41:29,030 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 881 transitions. [2018-11-18 15:41:29,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 15:41:29,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:29,049 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:41:29,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:29,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 696 states and 886 transitions. [2018-11-18 15:41:29,162 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 886 transitions. [2018-11-18 15:41:29,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 15:41:29,163 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:29,204 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:29,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:29,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 731 states and 923 transitions. [2018-11-18 15:41:29,328 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 923 transitions. [2018-11-18 15:41:29,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 15:41:29,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:29,345 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 15:41:29,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:29,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 744 states and 936 transitions. [2018-11-18 15:41:29,379 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 936 transitions. [2018-11-18 15:41:29,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 15:41:29,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:29,398 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 15:41:29,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:29,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 747 states and 938 transitions. [2018-11-18 15:41:29,477 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 938 transitions. [2018-11-18 15:41:29,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 15:41:29,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:29,552 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:29,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:29,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 777 states and 967 transitions. [2018-11-18 15:41:29,966 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 967 transitions. [2018-11-18 15:41:29,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 15:41:29,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:30,084 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:41:30,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:30,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 779 states and 969 transitions. [2018-11-18 15:41:30,259 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 969 transitions. [2018-11-18 15:41:30,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 15:41:30,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:30,384 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 15:41:31,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:31,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 918 states and 1117 transitions. [2018-11-18 15:41:31,790 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1117 transitions. [2018-11-18 15:41:31,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 15:41:31,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 15:41:31,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:31,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 919 states and 1118 transitions. [2018-11-18 15:41:31,883 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1118 transitions. [2018-11-18 15:41:31,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 15:41:31,884 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:31,979 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:32,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:32,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 921 states and 1120 transitions. [2018-11-18 15:41:32,030 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1120 transitions. [2018-11-18 15:41:32,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 15:41:32,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:32,074 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:32,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:32,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 940 states and 1142 transitions. [2018-11-18 15:41:32,561 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1142 transitions. [2018-11-18 15:41:32,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 15:41:32,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:32,606 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:32,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:32,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 941 states and 1143 transitions. [2018-11-18 15:41:32,645 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1143 transitions. [2018-11-18 15:41:32,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 15:41:32,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:32,693 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 15:41:32,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:32,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 947 states and 1148 transitions. [2018-11-18 15:41:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1148 transitions. [2018-11-18 15:41:32,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 15:41:32,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:32,912 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 15:41:33,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:33,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 953 states and 1156 transitions. [2018-11-18 15:41:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1156 transitions. [2018-11-18 15:41:33,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 15:41:33,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:33,254 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 15:41:33,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:33,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 954 states and 1156 transitions. [2018-11-18 15:41:33,331 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1156 transitions. [2018-11-18 15:41:33,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 15:41:33,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:33,838 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:36,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:36,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1013 states and 1220 transitions. [2018-11-18 15:41:36,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1220 transitions. [2018-11-18 15:41:36,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-18 15:41:36,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:36,592 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:36,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:36,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1016 states and 1224 transitions. [2018-11-18 15:41:36,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1224 transitions. [2018-11-18 15:41:36,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-18 15:41:36,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:37,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:37,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1028 states and 1240 transitions. [2018-11-18 15:41:37,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1240 transitions. [2018-11-18 15:41:37,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 15:41:37,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:37,840 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:41,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:41,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1097 states and 1326 transitions. [2018-11-18 15:41:41,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1326 transitions. [2018-11-18 15:41:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 15:41:41,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:41,340 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:41,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:41,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1101 states and 1330 transitions. [2018-11-18 15:41:41,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1330 transitions. [2018-11-18 15:41:41,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 15:41:41,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:41,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:41,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1105 states and 1334 transitions. [2018-11-18 15:41:41,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1334 transitions. [2018-11-18 15:41:41,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 15:41:41,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:42,003 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:42,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:42,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1109 states and 1339 transitions. [2018-11-18 15:41:42,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1339 transitions. [2018-11-18 15:41:42,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-18 15:41:42,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:42,523 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 184 proven. 11 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:44,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:44,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1129 states and 1366 transitions. [2018-11-18 15:41:44,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1366 transitions. [2018-11-18 15:41:44,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-18 15:41:44,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:44,294 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 184 proven. 11 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:44,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:44,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1133 states and 1370 transitions. [2018-11-18 15:41:44,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1370 transitions. [2018-11-18 15:41:44,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-18 15:41:44,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 15:41:45,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:45,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1136 states and 1375 transitions. [2018-11-18 15:41:45,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1375 transitions. [2018-11-18 15:41:45,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-18 15:41:45,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 15:41:45,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:45,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1137 states and 1375 transitions. [2018-11-18 15:41:45,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1375 transitions. [2018-11-18 15:41:45,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 15:41:45,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-11-18 15:41:45,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:45,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1147 states and 1385 transitions. [2018-11-18 15:41:45,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1385 transitions. [2018-11-18 15:41:45,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 15:41:45,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:46,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:46,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1184 states and 1428 transitions. [2018-11-18 15:41:46,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1428 transitions. [2018-11-18 15:41:46,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 15:41:46,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:47,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:47,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1209 states and 1454 transitions. [2018-11-18 15:41:47,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1454 transitions. [2018-11-18 15:41:47,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 15:41:47,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:47,746 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:48,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:48,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1216 states and 1460 transitions. [2018-11-18 15:41:48,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1460 transitions. [2018-11-18 15:41:48,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-18 15:41:48,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:48,429 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 15:41:48,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:48,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1217 states and 1461 transitions. [2018-11-18 15:41:48,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1461 transitions. [2018-11-18 15:41:48,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-18 15:41:48,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:48,573 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 15:41:48,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:48,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1220 states and 1465 transitions. [2018-11-18 15:41:48,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1465 transitions. [2018-11-18 15:41:48,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-18 15:41:48,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:49,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:49,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1225 states and 1473 transitions. [2018-11-18 15:41:49,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1473 transitions. [2018-11-18 15:41:49,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-18 15:41:49,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:49,380 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:49,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:49,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1229 states and 1478 transitions. [2018-11-18 15:41:49,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1478 transitions. [2018-11-18 15:41:49,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-18 15:41:49,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:49,650 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 15:41:49,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:49,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1235 states and 1483 transitions. [2018-11-18 15:41:49,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1483 transitions. [2018-11-18 15:41:49,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-18 15:41:49,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:49,717 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 15:41:49,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1239 states and 1487 transitions. [2018-11-18 15:41:49,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1487 transitions. [2018-11-18 15:41:49,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 15:41:49,925 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:50,178 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:51,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:51,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1316 states and 1578 transitions. [2018-11-18 15:41:51,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1578 transitions. [2018-11-18 15:41:51,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 15:41:51,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:52,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:52,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1324 states and 1588 transitions. [2018-11-18 15:41:52,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1588 transitions. [2018-11-18 15:41:52,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 15:41:52,369 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:52,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:52,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1330 states and 1596 transitions. [2018-11-18 15:41:52,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1596 transitions. [2018-11-18 15:41:52,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 15:41:52,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:52,757 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:53,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:53,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1334 states and 1599 transitions. [2018-11-18 15:41:53,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1599 transitions. [2018-11-18 15:41:53,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 15:41:53,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:53,097 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:41:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:53,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1340 states and 1604 transitions. [2018-11-18 15:41:53,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1604 transitions. [2018-11-18 15:41:53,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-18 15:41:53,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:53,440 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 15:41:53,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:53,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1372 states and 1638 transitions. [2018-11-18 15:41:53,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1638 transitions. [2018-11-18 15:41:53,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 15:41:53,806 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:53,862 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-11-18 15:41:53,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:53,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1374 states and 1639 transitions. [2018-11-18 15:41:53,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 1639 transitions. [2018-11-18 15:41:53,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 15:41:53,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:54,041 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 15:41:54,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:54,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1375 states and 1640 transitions. [2018-11-18 15:41:54,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1640 transitions. [2018-11-18 15:41:54,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 15:41:54,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:54,301 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 15:41:54,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:54,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1379 states and 1644 transitions. [2018-11-18 15:41:54,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1644 transitions. [2018-11-18 15:41:54,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 15:41:54,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:54,521 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 15:41:54,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:54,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1391 states and 1655 transitions. [2018-11-18 15:41:54,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1655 transitions. [2018-11-18 15:41:54,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 15:41:54,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:56,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:56,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1443 states and 1715 transitions. [2018-11-18 15:41:56,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1715 transitions. [2018-11-18 15:41:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 15:41:56,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:56,690 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:58,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:58,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1489 states and 1764 transitions. [2018-11-18 15:41:58,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1764 transitions. [2018-11-18 15:41:58,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 15:41:58,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:58,099 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:58,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1503 states and 1777 transitions. [2018-11-18 15:41:58,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1777 transitions. [2018-11-18 15:41:58,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 15:41:58,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:58,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:58,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1519 states and 1793 transitions. [2018-11-18 15:41:58,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1793 transitions. [2018-11-18 15:41:58,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 15:41:58,806 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:58,841 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1562 states and 1836 transitions. [2018-11-18 15:41:59,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 1836 transitions. [2018-11-18 15:41:59,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 15:41:59,166 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:59,199 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:41:59,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1569 states and 1842 transitions. [2018-11-18 15:41:59,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 1842 transitions. [2018-11-18 15:41:59,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 15:41:59,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:59,632 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 15:41:59,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:41:59,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1570 states and 1843 transitions. [2018-11-18 15:41:59,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 1843 transitions. [2018-11-18 15:41:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 15:41:59,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:41:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:41:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 15:42:00,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:00,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1576 states and 1847 transitions. [2018-11-18 15:42:00,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1847 transitions. [2018-11-18 15:42:00,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 15:42:00,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:00,099 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 15:42:00,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:00,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1596 states and 1875 transitions. [2018-11-18 15:42:00,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 1875 transitions. [2018-11-18 15:42:00,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-11-18 15:42:00,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:00,839 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 15:42:01,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:01,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1633 states and 1915 transitions. [2018-11-18 15:42:01,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 1915 transitions. [2018-11-18 15:42:01,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 15:42:01,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:01,659 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-18 15:42:01,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1634 states and 1915 transitions. [2018-11-18 15:42:01,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 1915 transitions. [2018-11-18 15:42:01,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 15:42:01,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:02,716 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:42:09,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:09,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 1771 states and 2091 transitions. [2018-11-18 15:42:09,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2091 transitions. [2018-11-18 15:42:09,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 15:42:09,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:09,564 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:42:11,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 1821 states and 2139 transitions. [2018-11-18 15:42:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2139 transitions. [2018-11-18 15:42:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 15:42:11,826 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:42:12,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:12,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 1831 states and 2149 transitions. [2018-11-18 15:42:12,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2149 transitions. [2018-11-18 15:42:12,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 15:42:12,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:42:13,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:13,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1837 states and 2154 transitions. [2018-11-18 15:42:13,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2154 transitions. [2018-11-18 15:42:13,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-18 15:42:13,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:13,606 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-18 15:42:13,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:13,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 1840 states and 2156 transitions. [2018-11-18 15:42:13,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2156 transitions. [2018-11-18 15:42:13,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-18 15:42:13,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:13,821 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-18 15:42:14,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:14,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1844 states and 2160 transitions. [2018-11-18 15:42:14,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2160 transitions. [2018-11-18 15:42:14,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 15:42:14,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:15,000 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 318 proven. 28 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 15:42:18,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:18,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1898 states and 2229 transitions. [2018-11-18 15:42:18,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2229 transitions. [2018-11-18 15:42:18,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 15:42:18,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:18,489 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 318 proven. 28 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 15:42:19,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:19,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2237 states to 1906 states and 2237 transitions. [2018-11-18 15:42:19,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2237 transitions. [2018-11-18 15:42:19,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-18 15:42:19,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 354 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 15:42:19,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:19,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 1908 states and 2239 transitions. [2018-11-18 15:42:19,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2239 transitions. [2018-11-18 15:42:19,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-18 15:42:19,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:19,716 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 354 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 15:42:20,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:20,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 1912 states and 2245 transitions. [2018-11-18 15:42:20,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2245 transitions. [2018-11-18 15:42:20,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 15:42:20,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:20,410 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 246 proven. 1 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-18 15:42:21,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:21,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 1931 states and 2270 transitions. [2018-11-18 15:42:21,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2270 transitions. [2018-11-18 15:42:21,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 15:42:21,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:21,419 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 246 proven. 1 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-18 15:42:21,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:21,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 1932 states and 2272 transitions. [2018-11-18 15:42:21,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2272 transitions. [2018-11-18 15:42:21,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 15:42:21,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 246 proven. 1 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-18 15:42:21,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:21,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 1936 states and 2276 transitions. [2018-11-18 15:42:21,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2276 transitions. [2018-11-18 15:42:21,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 15:42:21,999 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:22,060 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 246 proven. 1 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-18 15:42:22,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:22,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 1940 states and 2280 transitions. [2018-11-18 15:42:22,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 2280 transitions. [2018-11-18 15:42:22,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-11-18 15:42:22,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:22,471 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 332 proven. 42 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 15:42:23,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:23,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 1947 states and 2292 transitions. [2018-11-18 15:42:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2292 transitions. [2018-11-18 15:42:23,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-18 15:42:23,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 255 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-18 15:42:23,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:23,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 1977 states and 2324 transitions. [2018-11-18 15:42:23,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2324 transitions. [2018-11-18 15:42:23,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-18 15:42:23,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 255 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-18 15:42:24,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:24,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 1982 states and 2329 transitions. [2018-11-18 15:42:24,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 2329 transitions. [2018-11-18 15:42:24,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 15:42:24,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:24,425 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 202 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-11-18 15:42:30,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:30,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2248 states and 2644 transitions. [2018-11-18 15:42:30,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2248 states and 2644 transitions. [2018-11-18 15:42:30,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-18 15:42:30,492 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:42:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:42:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 73 proven. 411 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-11-18 15:42:39,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:42:39,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2327 states and 2749 transitions. [2018-11-18 15:42:39,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 2749 transitions. [2018-11-18 15:42:39,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:42:39,063 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 116 iterations. [2018-11-18 15:42:39,069 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 15:42:40,568 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 23 [2018-11-18 15:42:40,856 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 23 [2018-11-18 15:42:41,290 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 23 [2018-11-18 15:42:44,107 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 23 [2018-11-18 15:42:44,533 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 23 [2018-11-18 15:42:44,852 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:42:44,854 INFO L579 CodeCheckObserver]: Invariant with dag size 23 [2018-11-18 15:42:44,859 INFO L579 CodeCheckObserver]: Invariant with dag size 23 [2018-11-18 15:42:44,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:42:44 ImpRootNode [2018-11-18 15:42:44,860 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:42:44,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:42:44,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:42:44,860 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:42:44,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:41:16" (3/4) ... [2018-11-18 15:42:44,863 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:42:44,874 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-18 15:42:44,875 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 15:42:44,876 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 15:42:44,877 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 15:42:44,973 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fe51aa98-d1c7-4607-aa6e-9dd5718cadf7/bin-2019/ukojak/witness.graphml [2018-11-18 15:42:44,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:42:44,974 INFO L168 Benchmark]: Toolchain (without parser) took 90752.66 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 955.4 MB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 327.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:42:44,974 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:42:44,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.43 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 920.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:42:44,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.3 MB). Free memory was 920.5 MB in the beginning and 1.2 GB in the end (delta: -271.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:42:44,975 INFO L168 Benchmark]: Boogie Preprocessor took 41.15 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: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:42:44,975 INFO L168 Benchmark]: RCFGBuilder took 1555.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 938.2 MB in the end (delta: 247.5 MB). Peak memory consumption was 247.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:42:44,975 INFO L168 Benchmark]: CodeCheck took 88607.48 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.7 GB). Free memory was 938.2 MB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-18 15:42:44,976 INFO L168 Benchmark]: Witness Printer took 113.12 ms. Allocated memory is still 3.0 GB. Free memory is still 2.6 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:42:44,977 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 82.7s OverallTime, 116 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11846052 SDtfs, -643170536 SDslu, 105804476 SDs, 0 SdLazy, -1808355228 SolverSat, 1187435400 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 272.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147544 GetRequests, 144425 SyntacticMatches, 2033 SemanticMatches, 1086 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 844636 ImplicationChecksByTransitivity, 69.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 22347 NumberOfCodeBlocks, 22347 NumberOfCodeBlocksAsserted, 115 NumberOfCheckSat, 22232 ConstructedInterpolants, 0 QuantifiedInterpolants, 15173471 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 115 InterpolantComputations, 92 PerfectInterpolantSequences, 21346/22516 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 517]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((!(a11 == 1) || a25 == 1) || !(a28 == 7) || (!(a17 == 7) && a21 == 1)) || !(a19 == 1)) || a17 == 8 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((a25 == 1 || !(a11 == 1)) || !(a28 == 7) || (!(a17 == 7) && a21 == 1)) || !(a19 == 1)) || a17 == 8 * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 337.43 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 920.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.3 MB). Free memory was 920.5 MB in the beginning and 1.2 GB in the end (delta: -271.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.15 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: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1555.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 938.2 MB in the end (delta: 247.5 MB). Peak memory consumption was 247.5 MB. Max. memory is 11.5 GB. * CodeCheck took 88607.48 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.7 GB). Free memory was 938.2 MB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 113.12 ms. Allocated memory is still 3.0 GB. Free memory is still 2.6 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...