./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_523135f7-ffaf-41f1-a0a4-043d84bea65b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_523135f7-ffaf-41f1-a0a4-043d84bea65b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_523135f7-ffaf-41f1-a0a4-043d84bea65b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_523135f7-ffaf-41f1-a0a4-043d84bea65b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_523135f7-ffaf-41f1-a0a4-043d84bea65b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_523135f7-ffaf-41f1-a0a4-043d84bea65b/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 03d2eba0c96e405e42abc242d8ae37d66c66f111 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 02:49:02,501 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 02:49:02,502 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 02:49:02,508 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 02:49:02,508 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 02:49:02,508 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 02:49:02,509 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 02:49:02,510 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 02:49:02,511 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 02:49:02,511 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 02:49:02,512 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 02:49:02,512 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 02:49:02,512 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 02:49:02,513 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 02:49:02,513 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 02:49:02,514 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 02:49:02,514 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 02:49:02,515 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 02:49:02,516 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 02:49:02,516 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 02:49:02,517 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 02:49:02,518 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 02:49:02,519 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 02:49:02,519 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 02:49:02,519 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 02:49:02,519 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 02:49:02,520 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 02:49:02,520 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 02:49:02,521 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 02:49:02,521 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 02:49:02,521 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 02:49:02,522 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 02:49:02,522 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 02:49:02,522 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 02:49:02,522 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 02:49:02,523 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 02:49:02,523 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_523135f7-ffaf-41f1-a0a4-043d84bea65b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 02:49:02,530 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 02:49:02,531 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 02:49:02,531 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 02:49:02,531 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 02:49:02,531 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 02:49:02,532 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 02:49:02,532 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 02:49:02,532 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 02:49:02,532 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 02:49:02,532 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 02:49:02,532 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 02:49:02,532 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 02:49:02,532 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 02:49:02,532 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 02:49:02,532 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 02:49:02,532 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 02:49:02,533 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 02:49:02,533 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 02:49:02,533 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 02:49:02,533 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 02:49:02,533 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 02:49:02,533 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 02:49:02,533 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 02:49:02,533 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 02:49:02,533 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 02:49:02,533 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 02:49:02,533 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 02:49:02,534 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 02:49:02,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 02:49:02,534 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_523135f7-ffaf-41f1-a0a4-043d84bea65b/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 -> 03d2eba0c96e405e42abc242d8ae37d66c66f111 [2018-12-09 02:49:02,550 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 02:49:02,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 02:49:02,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 02:49:02,560 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 02:49:02,560 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 02:49:02,560 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_523135f7-ffaf-41f1-a0a4-043d84bea65b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-12-09 02:49:02,596 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_523135f7-ffaf-41f1-a0a4-043d84bea65b/bin-2019/ukojak/data/66775df6a/6d8f02948b124d74a73bd0291ef3f265/FLAG758bb1101 [2018-12-09 02:49:02,973 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 02:49:02,973 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_523135f7-ffaf-41f1-a0a4-043d84bea65b/sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-12-09 02:49:02,980 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_523135f7-ffaf-41f1-a0a4-043d84bea65b/bin-2019/ukojak/data/66775df6a/6d8f02948b124d74a73bd0291ef3f265/FLAG758bb1101 [2018-12-09 02:49:03,345 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_523135f7-ffaf-41f1-a0a4-043d84bea65b/bin-2019/ukojak/data/66775df6a/6d8f02948b124d74a73bd0291ef3f265 [2018-12-09 02:49:03,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 02:49:03,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 02:49:03,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 02:49:03,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 02:49:03,351 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 02:49:03,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:49:03" (1/1) ... [2018-12-09 02:49:03,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f5ef9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:49:03, skipping insertion in model container [2018-12-09 02:49:03,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:49:03" (1/1) ... [2018-12-09 02:49:03,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 02:49:03,386 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 02:49:03,569 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 02:49:03,572 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 02:49:03,669 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 02:49:03,681 INFO L195 MainTranslator]: Completed translation [2018-12-09 02:49:03,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:49:03 WrapperNode [2018-12-09 02:49:03,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 02:49:03,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 02:49:03,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 02:49:03,682 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 02:49:03,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:49:03" (1/1) ... [2018-12-09 02:49:03,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:49:03" (1/1) ... [2018-12-09 02:49:03,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 02:49:03,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 02:49:03,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 02:49:03,727 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 02:49:03,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:49:03" (1/1) ... [2018-12-09 02:49:03,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:49:03" (1/1) ... [2018-12-09 02:49:03,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:49:03" (1/1) ... [2018-12-09 02:49:03,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:49:03" (1/1) ... [2018-12-09 02:49:03,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:49:03" (1/1) ... [2018-12-09 02:49:03,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:49:03" (1/1) ... [2018-12-09 02:49:03,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:49:03" (1/1) ... [2018-12-09 02:49:03,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 02:49:03,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 02:49:03,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 02:49:03,756 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 02:49:03,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:49:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_523135f7-ffaf-41f1-a0a4-043d84bea65b/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 [2018-12-09 02:49:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 02:49:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 02:49:04,780 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 02:49:04,781 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 02:49:04,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:49:04 BoogieIcfgContainer [2018-12-09 02:49:04,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 02:49:04,782 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 02:49:04,782 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 02:49:04,794 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 02:49:04,794 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:49:04" (1/1) ... [2018-12-09 02:49:04,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:49:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:04,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-09 02:49:04,833 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-09 02:49:04,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 02:49:04,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:05,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:49:05,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:05,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2018-12-09 02:49:05,360 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2018-12-09 02:49:05,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 02:49:05,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:05,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:49:05,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:05,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 242 states and 325 transitions. [2018-12-09 02:49:05,743 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 325 transitions. [2018-12-09 02:49:05,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 02:49:05,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:05,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 02:49:05,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:05,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 243 states and 326 transitions. [2018-12-09 02:49:05,857 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2018-12-09 02:49:05,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 02:49:05,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:05,907 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 02:49:06,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:06,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 249 states and 333 transitions. [2018-12-09 02:49:06,019 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 333 transitions. [2018-12-09 02:49:06,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 02:49:06,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:06,064 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 02:49:06,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:06,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 266 states and 360 transitions. [2018-12-09 02:49:06,202 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 360 transitions. [2018-12-09 02:49:06,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 02:49:06,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:06,285 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 02:49:06,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:06,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 284 states and 385 transitions. [2018-12-09 02:49:06,560 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 385 transitions. [2018-12-09 02:49:06,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 02:49:06,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:06,602 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 02:49:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:06,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 305 states and 414 transitions. [2018-12-09 02:49:06,850 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 414 transitions. [2018-12-09 02:49:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 02:49:06,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:06,875 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 02:49:07,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 309 states and 421 transitions. [2018-12-09 02:49:07,039 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 421 transitions. [2018-12-09 02:49:07,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 02:49:07,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:07,056 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 02:49:07,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:07,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 313 states and 429 transitions. [2018-12-09 02:49:07,199 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 429 transitions. [2018-12-09 02:49:07,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 02:49:07,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 02:49:07,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 327 states and 443 transitions. [2018-12-09 02:49:07,447 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 443 transitions. [2018-12-09 02:49:07,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 02:49:07,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:07,469 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 02:49:07,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:07,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 331 states and 447 transitions. [2018-12-09 02:49:07,489 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 447 transitions. [2018-12-09 02:49:07,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 02:49:07,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:07,506 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 02:49:07,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:07,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 332 states and 449 transitions. [2018-12-09 02:49:07,618 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 449 transitions. [2018-12-09 02:49:07,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 02:49:07,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:07,650 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 02:49:07,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:07,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 335 states and 453 transitions. [2018-12-09 02:49:07,748 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 453 transitions. [2018-12-09 02:49:07,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 02:49:07,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:07,820 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 02:49:08,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:08,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 346 states and 469 transitions. [2018-12-09 02:49:08,094 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 469 transitions. [2018-12-09 02:49:08,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 02:49:08,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 02:49:08,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:08,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 347 states and 472 transitions. [2018-12-09 02:49:08,237 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 472 transitions. [2018-12-09 02:49:08,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 02:49:08,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:08,264 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 02:49:08,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:08,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 364 states and 490 transitions. [2018-12-09 02:49:08,467 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 490 transitions. [2018-12-09 02:49:08,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 02:49:08,468 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:08,547 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 02:49:09,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:09,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 394 states and 529 transitions. [2018-12-09 02:49:09,075 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 529 transitions. [2018-12-09 02:49:09,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 02:49:09,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:09,153 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 02:49:09,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:09,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 424 states and 565 transitions. [2018-12-09 02:49:09,862 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 565 transitions. [2018-12-09 02:49:09,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 02:49:09,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:09,912 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 02:49:10,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:10,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 427 states and 569 transitions. [2018-12-09 02:49:10,008 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 569 transitions. [2018-12-09 02:49:10,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 02:49:10,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:10,027 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 02:49:10,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:10,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 443 states and 587 transitions. [2018-12-09 02:49:10,174 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 587 transitions. [2018-12-09 02:49:10,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 02:49:10,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:10,255 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 02:49:10,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:10,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 444 states and 589 transitions. [2018-12-09 02:49:10,434 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 589 transitions. [2018-12-09 02:49:10,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 02:49:10,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 02:49:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:10,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 463 states and 611 transitions. [2018-12-09 02:49:10,711 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 611 transitions. [2018-12-09 02:49:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 02:49:10,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:10,736 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 02:49:10,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:10,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 467 states and 614 transitions. [2018-12-09 02:49:10,816 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 614 transitions. [2018-12-09 02:49:10,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 02:49:10,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:10,896 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 02:49:11,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:11,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 499 states and 646 transitions. [2018-12-09 02:49:11,076 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 646 transitions. [2018-12-09 02:49:11,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 02:49:11,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:11,096 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 02:49:11,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:11,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 504 states and 650 transitions. [2018-12-09 02:49:11,113 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 650 transitions. [2018-12-09 02:49:11,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 02:49:11,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:11,140 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 02:49:11,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:11,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 518 states and 665 transitions. [2018-12-09 02:49:11,336 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 665 transitions. [2018-12-09 02:49:11,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 02:49:11,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:11,354 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 02:49:11,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:11,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 530 states and 676 transitions. [2018-12-09 02:49:11,473 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 676 transitions. [2018-12-09 02:49:11,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 02:49:11,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:11,753 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 02:49:12,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:12,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 570 states and 728 transitions. [2018-12-09 02:49:12,963 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 728 transitions. [2018-12-09 02:49:12,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 02:49:12,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:13,006 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 02:49:13,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:13,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 585 states and 742 transitions. [2018-12-09 02:49:13,182 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 742 transitions. [2018-12-09 02:49:13,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 02:49:13,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:13,209 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 02:49:13,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:13,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 597 states and 753 transitions. [2018-12-09 02:49:13,402 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 753 transitions. [2018-12-09 02:49:13,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 02:49:13,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:13,438 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 02:49:13,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 616 states and 772 transitions. [2018-12-09 02:49:13,505 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 772 transitions. [2018-12-09 02:49:13,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-09 02:49:13,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:13,526 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 02:49:13,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:13,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 617 states and 773 transitions. [2018-12-09 02:49:13,664 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 773 transitions. [2018-12-09 02:49:13,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 02:49:13,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 02:49:13,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:13,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 622 states and 780 transitions. [2018-12-09 02:49:13,716 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 780 transitions. [2018-12-09 02:49:13,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 02:49:13,717 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 02:49:13,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:13,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 624 states and 782 transitions. [2018-12-09 02:49:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 782 transitions. [2018-12-09 02:49:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 02:49:13,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 02:49:13,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:13,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 625 states and 783 transitions. [2018-12-09 02:49:13,792 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 783 transitions. [2018-12-09 02:49:13,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 02:49:13,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:13,861 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 02:49:13,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:13,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 639 states and 797 transitions. [2018-12-09 02:49:13,906 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 797 transitions. [2018-12-09 02:49:13,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 02:49:13,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:13,937 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-09 02:49:14,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:14,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 641 states and 798 transitions. [2018-12-09 02:49:14,013 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 798 transitions. [2018-12-09 02:49:14,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 02:49:14,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:14,055 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 02:49:14,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:14,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 660 states and 820 transitions. [2018-12-09 02:49:14,451 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 820 transitions. [2018-12-09 02:49:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-09 02:49:14,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 02:49:14,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:14,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 661 states and 821 transitions. [2018-12-09 02:49:14,504 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 821 transitions. [2018-12-09 02:49:14,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 02:49:14,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:14,522 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 02:49:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:14,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 664 states and 824 transitions. [2018-12-09 02:49:14,540 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 824 transitions. [2018-12-09 02:49:14,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 02:49:14,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:14,588 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 02:49:14,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 665 states and 825 transitions. [2018-12-09 02:49:14,740 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 825 transitions. [2018-12-09 02:49:14,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 02:49:14,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:14,785 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 02:49:15,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:15,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 680 states and 839 transitions. [2018-12-09 02:49:15,138 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 839 transitions. [2018-12-09 02:49:15,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 02:49:15,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:15,174 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 02:49:15,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:15,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 693 states and 853 transitions. [2018-12-09 02:49:15,571 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 853 transitions. [2018-12-09 02:49:15,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 02:49:15,572 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:15,608 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 02:49:15,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:15,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 696 states and 856 transitions. [2018-12-09 02:49:15,748 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 856 transitions. [2018-12-09 02:49:15,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 02:49:15,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:15,781 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 02:49:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:15,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 720 states and 881 transitions. [2018-12-09 02:49:15,856 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 881 transitions. [2018-12-09 02:49:15,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 02:49:15,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:15,991 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 02:49:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:16,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 737 states and 901 transitions. [2018-12-09 02:49:16,772 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 901 transitions. [2018-12-09 02:49:16,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 02:49:16,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:16,858 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 02:49:17,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:17,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 749 states and 912 transitions. [2018-12-09 02:49:17,181 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 912 transitions. [2018-12-09 02:49:17,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 02:49:17,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:17,234 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 02:49:17,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:17,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 771 states and 935 transitions. [2018-12-09 02:49:17,435 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 935 transitions. [2018-12-09 02:49:17,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-09 02:49:17,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:17,460 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 02:49:17,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:17,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 799 states and 963 transitions. [2018-12-09 02:49:17,529 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 963 transitions. [2018-12-09 02:49:17,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 02:49:17,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:17,554 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 02:49:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:17,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 803 states and 967 transitions. [2018-12-09 02:49:17,574 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 967 transitions. [2018-12-09 02:49:17,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 02:49:17,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:17,658 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-09 02:49:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:18,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 821 states and 987 transitions. [2018-12-09 02:49:18,022 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 987 transitions. [2018-12-09 02:49:18,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-09 02:49:18,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:18,062 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 02:49:18,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:18,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 831 states and 998 transitions. [2018-12-09 02:49:18,202 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 998 transitions. [2018-12-09 02:49:18,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-09 02:49:18,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:18,246 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 02:49:18,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:18,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 843 states and 1013 transitions. [2018-12-09 02:49:18,622 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1013 transitions. [2018-12-09 02:49:18,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 02:49:18,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 178 proven. 9 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 02:49:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:20,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 854 states and 1031 transitions. [2018-12-09 02:49:20,508 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1031 transitions. [2018-12-09 02:49:20,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 02:49:20,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:20,547 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 02:49:20,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:20,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 855 states and 1032 transitions. [2018-12-09 02:49:20,564 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1032 transitions. [2018-12-09 02:49:20,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 02:49:20,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:20,600 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 02:49:20,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:20,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 856 states and 1032 transitions. [2018-12-09 02:49:20,734 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1032 transitions. [2018-12-09 02:49:20,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 02:49:20,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:20,760 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 02:49:20,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:20,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 860 states and 1037 transitions. [2018-12-09 02:49:20,852 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1037 transitions. [2018-12-09 02:49:20,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-09 02:49:20,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-09 02:49:21,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:21,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 874 states and 1051 transitions. [2018-12-09 02:49:21,469 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1051 transitions. [2018-12-09 02:49:21,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-09 02:49:21,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-09 02:49:22,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:22,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 886 states and 1062 transitions. [2018-12-09 02:49:22,089 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1062 transitions. [2018-12-09 02:49:22,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 02:49:22,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:22,231 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 02:49:22,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:22,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 957 states and 1141 transitions. [2018-12-09 02:49:22,935 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1141 transitions. [2018-12-09 02:49:22,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 02:49:22,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 02:49:23,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:23,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 962 states and 1145 transitions. [2018-12-09 02:49:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1145 transitions. [2018-12-09 02:49:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 02:49:23,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:23,294 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 02:49:23,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:23,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 963 states and 1145 transitions. [2018-12-09 02:49:23,309 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1145 transitions. [2018-12-09 02:49:23,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 02:49:23,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:23,377 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 02:49:24,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:24,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 988 states and 1170 transitions. [2018-12-09 02:49:24,022 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1170 transitions. [2018-12-09 02:49:24,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 02:49:24,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:24,052 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 02:49:24,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:24,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 994 states and 1176 transitions. [2018-12-09 02:49:24,088 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1176 transitions. [2018-12-09 02:49:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 02:49:24,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:24,118 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 02:49:24,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 995 states and 1176 transitions. [2018-12-09 02:49:24,308 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1176 transitions. [2018-12-09 02:49:24,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 02:49:24,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 02:49:24,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:24,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 998 states and 1179 transitions. [2018-12-09 02:49:24,359 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1179 transitions. [2018-12-09 02:49:24,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 02:49:24,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:24,457 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 02:49:26,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:26,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1069 states and 1256 transitions. [2018-12-09 02:49:26,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1256 transitions. [2018-12-09 02:49:26,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 02:49:26,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:26,695 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 02:49:28,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:28,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1101 states and 1292 transitions. [2018-12-09 02:49:28,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1292 transitions. [2018-12-09 02:49:28,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 02:49:28,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:28,194 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 02:49:28,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:28,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1102 states and 1292 transitions. [2018-12-09 02:49:28,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1292 transitions. [2018-12-09 02:49:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 02:49:28,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-09 02:49:28,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1108 states and 1300 transitions. [2018-12-09 02:49:28,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1300 transitions. [2018-12-09 02:49:28,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-09 02:49:28,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 02:49:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:29,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1128 states and 1325 transitions. [2018-12-09 02:49:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1325 transitions. [2018-12-09 02:49:29,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-09 02:49:29,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:29,874 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 02:49:30,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:30,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1130 states and 1326 transitions. [2018-12-09 02:49:30,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1326 transitions. [2018-12-09 02:49:30,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-09 02:49:30,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 02:49:30,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:30,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1153 states and 1353 transitions. [2018-12-09 02:49:30,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1353 transitions. [2018-12-09 02:49:30,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-09 02:49:30,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 02:49:30,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:30,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1154 states and 1353 transitions. [2018-12-09 02:49:30,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1353 transitions. [2018-12-09 02:49:30,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-09 02:49:30,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:30,967 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 195 proven. 16 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 02:49:31,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:31,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1187 states and 1392 transitions. [2018-12-09 02:49:31,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1392 transitions. [2018-12-09 02:49:31,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-09 02:49:31,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 195 proven. 16 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 02:49:32,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:32,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1190 states and 1396 transitions. [2018-12-09 02:49:32,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1396 transitions. [2018-12-09 02:49:32,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-09 02:49:32,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:32,133 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 195 proven. 16 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 02:49:32,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:32,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1191 states and 1396 transitions. [2018-12-09 02:49:32,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1396 transitions. [2018-12-09 02:49:32,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-09 02:49:32,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:32,378 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 02:49:32,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:32,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1195 states and 1402 transitions. [2018-12-09 02:49:32,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1402 transitions. [2018-12-09 02:49:32,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-09 02:49:32,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:32,537 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 02:49:32,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:32,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1213 states and 1419 transitions. [2018-12-09 02:49:32,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1419 transitions. [2018-12-09 02:49:32,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-09 02:49:32,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:32,807 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-09 02:49:32,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:32,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1251 states and 1459 transitions. [2018-12-09 02:49:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1459 transitions. [2018-12-09 02:49:32,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-09 02:49:32,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:33,419 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-09 02:49:36,346 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-09 02:49:36,654 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2018-12-09 02:49:38,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:38,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1315 states and 1529 transitions. [2018-12-09 02:49:38,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1529 transitions. [2018-12-09 02:49:38,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-09 02:49:38,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:38,609 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-09 02:49:38,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:38,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1318 states and 1532 transitions. [2018-12-09 02:49:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1532 transitions. [2018-12-09 02:49:38,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-09 02:49:38,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:38,888 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-12-09 02:49:38,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:38,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1321 states and 1534 transitions. [2018-12-09 02:49:38,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1534 transitions. [2018-12-09 02:49:38,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-09 02:49:38,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:39,199 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-09 02:49:40,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1357 states and 1571 transitions. [2018-12-09 02:49:40,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1571 transitions. [2018-12-09 02:49:40,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-09 02:49:40,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:40,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 02:49:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:45,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1478 states and 1711 transitions. [2018-12-09 02:49:45,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1711 transitions. [2018-12-09 02:49:45,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-09 02:49:45,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:45,878 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 02:49:46,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:46,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1482 states and 1715 transitions. [2018-12-09 02:49:46,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1715 transitions. [2018-12-09 02:49:46,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-09 02:49:46,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:46,361 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 02:49:46,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1487 states and 1719 transitions. [2018-12-09 02:49:46,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1719 transitions. [2018-12-09 02:49:46,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-09 02:49:46,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:46,668 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 02:49:46,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:46,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1514 states and 1746 transitions. [2018-12-09 02:49:46,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1746 transitions. [2018-12-09 02:49:46,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 02:49:46,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:47,008 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 02:49:47,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:47,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1538 states and 1770 transitions. [2018-12-09 02:49:47,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1770 transitions. [2018-12-09 02:49:47,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 02:49:47,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:47,289 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 02:49:47,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:47,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1557 states and 1788 transitions. [2018-12-09 02:49:47,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1788 transitions. [2018-12-09 02:49:47,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-09 02:49:47,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:47,493 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 02:49:47,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:47,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1571 states and 1802 transitions. [2018-12-09 02:49:47,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1802 transitions. [2018-12-09 02:49:47,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 02:49:47,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:47,737 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 404 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 02:49:48,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:48,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1587 states and 1820 transitions. [2018-12-09 02:49:48,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 1820 transitions. [2018-12-09 02:49:48,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 02:49:48,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:49:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:49:48,312 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 404 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 02:49:48,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:49:48,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1424 states and 1635 transitions. [2018-12-09 02:49:48,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1635 transitions. [2018-12-09 02:49:48,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 02:49:48,555 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 94 iterations. [2018-12-09 02:49:48,561 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 02:49:51,568 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 02:49:51,570 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-09 02:49:51,574 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-09 02:49:51,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 02:49:51 ImpRootNode [2018-12-09 02:49:51,575 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 02:49:51,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 02:49:51,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 02:49:51,575 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 02:49:51,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:49:04" (3/4) ... [2018-12-09 02:49:51,578 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 02:49:51,592 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-12-09 02:49:51,593 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-09 02:49:51,594 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 02:49:51,594 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 02:49:51,680 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_523135f7-ffaf-41f1-a0a4-043d84bea65b/bin-2019/ukojak/witness.graphml [2018-12-09 02:49:51,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 02:49:51,681 INFO L168 Benchmark]: Toolchain (without parser) took 48333.68 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 950.6 MB in the beginning and 1.9 GB in the end (delta: -997.1 MB). Peak memory consumption was 99.8 MB. Max. memory is 11.5 GB. [2018-12-09 02:49:51,682 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:49:51,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. [2018-12-09 02:49:51,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 02:49:51,682 INFO L168 Benchmark]: Boogie Preprocessor took 29.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 02:49:51,683 INFO L168 Benchmark]: RCFGBuilder took 1025.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.1 MB in the end (delta: 216.2 MB). Peak memory consumption was 216.2 MB. Max. memory is 11.5 GB. [2018-12-09 02:49:51,683 INFO L168 Benchmark]: CodeCheck took 46792.62 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 969.9 MB). Free memory was 887.1 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 980.9 MB. Max. memory is 11.5 GB. [2018-12-09 02:49:51,683 INFO L168 Benchmark]: Witness Printer took 105.60 ms. Allocated memory is still 2.1 GB. Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-12-09 02:49:51,685 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, 227 locations, 1 error locations. SAFE Result, 43.7s OverallTime, 94 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 458762256 SDtfs, 2106193972 SDslu, 124937312 SDs, 0 SdLazy, 641310058 SolverSat, 1214494254 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 167.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104536 GetRequests, 102985 SyntacticMatches, 927 SemanticMatches, 624 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288870 ImplicationChecksByTransitivity, 34.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 16592 NumberOfCodeBlocks, 16592 NumberOfCodeBlocksAsserted, 93 NumberOfCheckSat, 16499 ConstructedInterpolants, 0 QuantifiedInterpolants, 7458545 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 93 InterpolantComputations, 74 PerfectInterpolantSequences, 15743/16023 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: 463]: 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: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 333.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1025.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.1 MB in the end (delta: 216.2 MB). Peak memory consumption was 216.2 MB. Max. memory is 11.5 GB. * CodeCheck took 46792.62 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 969.9 MB). Free memory was 887.1 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 980.9 MB. Max. memory is 11.5 GB. * Witness Printer took 105.60 ms. Allocated memory is still 2.1 GB. Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...