./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label46_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_c01b056d-b2d6-4606-bba4-1844a13e0662/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c01b056d-b2d6-4606-bba4-1844a13e0662/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c01b056d-b2d6-4606-bba4-1844a13e0662/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c01b056d-b2d6-4606-bba4-1844a13e0662/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label46_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c01b056d-b2d6-4606-bba4-1844a13e0662/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c01b056d-b2d6-4606-bba4-1844a13e0662/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 7a28669cb9b241f33b1fd8e4286127a35464e045 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 18:26:57,570 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:26:57,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:26:57,577 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:26:57,577 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:26:57,577 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:26:57,578 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:26:57,579 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:26:57,580 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:26:57,580 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:26:57,581 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:26:57,581 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:26:57,581 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:26:57,582 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:26:57,582 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:26:57,583 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:26:57,583 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:26:57,584 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:26:57,585 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:26:57,586 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:26:57,587 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:26:57,587 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:26:57,589 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:26:57,589 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:26:57,589 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:26:57,589 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:26:57,590 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:26:57,590 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:26:57,591 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:26:57,591 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:26:57,592 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:26:57,592 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:26:57,592 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:26:57,592 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:26:57,593 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:26:57,593 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:26:57,593 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c01b056d-b2d6-4606-bba4-1844a13e0662/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 18:26:57,601 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:26:57,601 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:26:57,602 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:26:57,602 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 18:26:57,602 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 18:26:57,602 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 18:26:57,603 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:26:57,603 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:26:57,603 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:26:57,603 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:26:57,603 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:26:57,603 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:26:57,603 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:26:57,603 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:26:57,603 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:26:57,604 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:26:57,604 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:26:57,604 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:26:57,604 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 18:26:57,604 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 18:26:57,604 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:26:57,604 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:26:57,604 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 18:26:57,604 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:26:57,604 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:26:57,605 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:26:57,605 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 18:26:57,605 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:26:57,605 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 18:26:57,605 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_c01b056d-b2d6-4606-bba4-1844a13e0662/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 -> 7a28669cb9b241f33b1fd8e4286127a35464e045 [2018-12-02 18:26:57,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:26:57,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:26:57,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:26:57,631 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:26:57,632 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:26:57,632 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c01b056d-b2d6-4606-bba4-1844a13e0662/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label46_true-unreach-call_false-termination.c [2018-12-02 18:26:57,667 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c01b056d-b2d6-4606-bba4-1844a13e0662/bin-2019/ukojak/data/e77bfa174/c72af137c3d8482fb5ca713b801b4c13/FLAG55dfab85d [2018-12-02 18:26:58,177 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:26:58,177 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c01b056d-b2d6-4606-bba4-1844a13e0662/sv-benchmarks/c/eca-rers2012/Problem01_label46_true-unreach-call_false-termination.c [2018-12-02 18:26:58,183 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c01b056d-b2d6-4606-bba4-1844a13e0662/bin-2019/ukojak/data/e77bfa174/c72af137c3d8482fb5ca713b801b4c13/FLAG55dfab85d [2018-12-02 18:26:58,192 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c01b056d-b2d6-4606-bba4-1844a13e0662/bin-2019/ukojak/data/e77bfa174/c72af137c3d8482fb5ca713b801b4c13 [2018-12-02 18:26:58,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:26:58,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:26:58,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:26:58,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:26:58,197 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:26:58,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:26:58" (1/1) ... [2018-12-02 18:26:58,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:58, skipping insertion in model container [2018-12-02 18:26:58,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:26:58" (1/1) ... [2018-12-02 18:26:58,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:26:58,226 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:26:58,395 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:26:58,398 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:26:58,501 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:26:58,511 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:26:58,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:58 WrapperNode [2018-12-02 18:26:58,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:26:58,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:26:58,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:26:58,512 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:26:58,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:58" (1/1) ... [2018-12-02 18:26:58,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:58" (1/1) ... [2018-12-02 18:26:58,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:26:58,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:26:58,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:26:58,553 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:26:58,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:58" (1/1) ... [2018-12-02 18:26:58,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:58" (1/1) ... [2018-12-02 18:26:58,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:58" (1/1) ... [2018-12-02 18:26:58,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:58" (1/1) ... [2018-12-02 18:26:58,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:58" (1/1) ... [2018-12-02 18:26:58,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:58" (1/1) ... [2018-12-02 18:26:58,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:58" (1/1) ... [2018-12-02 18:26:58,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:26:58,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:26:58,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:26:58,582 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:26:58,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c01b056d-b2d6-4606-bba4-1844a13e0662/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 [2018-12-02 18:26:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:26:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:26:59,524 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:26:59,525 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 18:26:59,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:26:59 BoogieIcfgContainer [2018-12-02 18:26:59,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:26:59,526 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 18:26:59,526 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 18:26:59,533 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 18:26:59,534 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:26:59" (1/1) ... [2018-12-02 18:26:59,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:26:59,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:26:59,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-02 18:26:59,570 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-02 18:26:59,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 18:26:59,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:26:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:26:59,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:00,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:00,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2018-12-02 18:27:00,066 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2018-12-02 18:27:00,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 18:27:00,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:00,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:00,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:00,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2018-12-02 18:27:00,286 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2018-12-02 18:27:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-02 18:27:00,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:00,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:00,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2018-12-02 18:27:00,386 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2018-12-02 18:27:00,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-02 18:27:00,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:00,463 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:00,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:00,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 154 states and 260 transitions. [2018-12-02 18:27:00,577 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2018-12-02 18:27:00,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 18:27:00,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:00,595 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:27:00,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:00,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 155 states and 261 transitions. [2018-12-02 18:27:00,625 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2018-12-02 18:27:00,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 18:27:00,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 18:27:00,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:00,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 166 states and 281 transitions. [2018-12-02 18:27:00,934 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2018-12-02 18:27:00,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-02 18:27:00,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:01,005 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:01,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:01,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 180 states and 300 transitions. [2018-12-02 18:27:01,295 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 300 transitions. [2018-12-02 18:27:01,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 18:27:01,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:01,378 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:01,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:01,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 195 states and 321 transitions. [2018-12-02 18:27:01,773 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 321 transitions. [2018-12-02 18:27:01,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 18:27:01,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:01,794 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:02,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:02,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 201 states and 330 transitions. [2018-12-02 18:27:02,088 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 330 transitions. [2018-12-02 18:27:02,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 18:27:02,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:02,104 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:02,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:02,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 205 states and 336 transitions. [2018-12-02 18:27:02,188 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 336 transitions. [2018-12-02 18:27:02,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 18:27:02,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:02,233 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:02,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:02,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 220 states and 361 transitions. [2018-12-02 18:27:02,809 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 361 transitions. [2018-12-02 18:27:02,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 18:27:02,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:02,829 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 221 states and 364 transitions. [2018-12-02 18:27:02,977 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 364 transitions. [2018-12-02 18:27:02,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 18:27:02,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:27:03,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:03,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 232 states and 375 transitions. [2018-12-02 18:27:03,199 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 375 transitions. [2018-12-02 18:27:03,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 18:27:03,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:03,214 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:27:03,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:03,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 235 states and 377 transitions. [2018-12-02 18:27:03,381 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 377 transitions. [2018-12-02 18:27:03,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 18:27:03,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:03,439 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 18:27:04,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:04,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 249 states and 400 transitions. [2018-12-02 18:27:04,038 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 400 transitions. [2018-12-02 18:27:04,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 18:27:04,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:04,060 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 18:27:04,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:04,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 250 states and 401 transitions. [2018-12-02 18:27:04,215 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 401 transitions. [2018-12-02 18:27:04,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 18:27:04,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:04,232 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:04,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:04,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 267 states and 421 transitions. [2018-12-02 18:27:04,478 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 421 transitions. [2018-12-02 18:27:04,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 18:27:04,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:04,491 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:27:04,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 279 states and 436 transitions. [2018-12-02 18:27:04,611 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 436 transitions. [2018-12-02 18:27:04,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 18:27:04,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:04,628 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 18:27:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:04,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 282 states and 440 transitions. [2018-12-02 18:27:04,736 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 440 transitions. [2018-12-02 18:27:04,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 18:27:04,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:04,754 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:27:04,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:04,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 283 states and 442 transitions. [2018-12-02 18:27:04,782 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 442 transitions. [2018-12-02 18:27:04,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 18:27:04,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:04,801 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:05,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:05,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 294 states and 456 transitions. [2018-12-02 18:27:05,019 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 456 transitions. [2018-12-02 18:27:05,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 18:27:05,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:05,087 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:05,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:05,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 321 states and 493 transitions. [2018-12-02 18:27:05,795 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 493 transitions. [2018-12-02 18:27:05,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 18:27:05,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:27:06,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 330 states and 501 transitions. [2018-12-02 18:27:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 501 transitions. [2018-12-02 18:27:06,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 18:27:06,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:06,030 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:27:06,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:06,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 334 states and 505 transitions. [2018-12-02 18:27:06,105 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 505 transitions. [2018-12-02 18:27:06,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 18:27:06,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:06,119 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:27:06,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 338 states and 509 transitions. [2018-12-02 18:27:06,237 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 509 transitions. [2018-12-02 18:27:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 18:27:06,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:06,253 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:06,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:06,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 353 states and 526 transitions. [2018-12-02 18:27:06,627 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 526 transitions. [2018-12-02 18:27:06,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 18:27:06,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:06,641 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:06,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 356 states and 529 transitions. [2018-12-02 18:27:06,754 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 529 transitions. [2018-12-02 18:27:06,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 18:27:06,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:06,770 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:27:06,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:06,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 358 states and 531 transitions. [2018-12-02 18:27:06,831 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 531 transitions. [2018-12-02 18:27:06,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 18:27:06,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:27:07,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:07,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 384 states and 565 transitions. [2018-12-02 18:27:07,694 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 565 transitions. [2018-12-02 18:27:07,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 18:27:07,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 18:27:08,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:08,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 461 states and 657 transitions. [2018-12-02 18:27:08,678 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 657 transitions. [2018-12-02 18:27:08,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-02 18:27:08,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:08,742 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:27:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:09,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 466 states and 671 transitions. [2018-12-02 18:27:09,033 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 671 transitions. [2018-12-02 18:27:09,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-02 18:27:09,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:09,123 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:27:09,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:09,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 489 states and 704 transitions. [2018-12-02 18:27:09,875 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 704 transitions. [2018-12-02 18:27:09,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-02 18:27:09,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:09,891 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:10,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:10,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 512 states and 731 transitions. [2018-12-02 18:27:10,301 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 731 transitions. [2018-12-02 18:27:10,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-02 18:27:10,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:10,319 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 18:27:10,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:10,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 518 states and 738 transitions. [2018-12-02 18:27:10,666 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 738 transitions. [2018-12-02 18:27:10,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-02 18:27:10,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:10,682 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:27:10,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:10,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 526 states and 747 transitions. [2018-12-02 18:27:10,788 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 747 transitions. [2018-12-02 18:27:10,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 18:27:10,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:11,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:11,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 551 states and 782 transitions. [2018-12-02 18:27:11,531 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 782 transitions. [2018-12-02 18:27:11,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 18:27:11,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:27:12,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:12,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 558 states and 792 transitions. [2018-12-02 18:27:12,050 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 792 transitions. [2018-12-02 18:27:12,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 18:27:12,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:12,075 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:27:12,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:12,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 564 states and 803 transitions. [2018-12-02 18:27:12,437 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 803 transitions. [2018-12-02 18:27:12,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 18:27:12,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:12,575 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 18:27:13,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 579 states and 823 transitions. [2018-12-02 18:27:13,641 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 823 transitions. [2018-12-02 18:27:13,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 18:27:13,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:13,660 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 18:27:13,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 589 states and 833 transitions. [2018-12-02 18:27:13,893 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 833 transitions. [2018-12-02 18:27:13,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 18:27:13,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:13,915 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 18:27:14,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:14,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 600 states and 846 transitions. [2018-12-02 18:27:14,198 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 846 transitions. [2018-12-02 18:27:14,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 18:27:14,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:14,239 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:27:15,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:15,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 620 states and 871 transitions. [2018-12-02 18:27:15,316 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 871 transitions. [2018-12-02 18:27:15,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-02 18:27:15,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:15,399 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:27:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:15,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 628 states and 880 transitions. [2018-12-02 18:27:15,595 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 880 transitions. [2018-12-02 18:27:15,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-02 18:27:15,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:15,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:15,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 638 states and 891 transitions. [2018-12-02 18:27:15,748 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 891 transitions. [2018-12-02 18:27:15,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 18:27:15,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:15,765 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 18:27:16,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:16,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 648 states and 903 transitions. [2018-12-02 18:27:16,019 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 903 transitions. [2018-12-02 18:27:16,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-02 18:27:16,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 18:27:16,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 672 states and 930 transitions. [2018-12-02 18:27:16,932 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 930 transitions. [2018-12-02 18:27:16,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-02 18:27:16,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:16,950 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 18:27:17,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:17,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 673 states and 931 transitions. [2018-12-02 18:27:17,088 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 931 transitions. [2018-12-02 18:27:17,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-02 18:27:17,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:27:17,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 682 states and 945 transitions. [2018-12-02 18:27:17,624 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 945 transitions. [2018-12-02 18:27:17,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-02 18:27:17,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:17,641 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:27:17,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:17,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 692 states and 954 transitions. [2018-12-02 18:27:17,834 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 954 transitions. [2018-12-02 18:27:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-02 18:27:17,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:27:18,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:18,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 700 states and 961 transitions. [2018-12-02 18:27:18,043 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 961 transitions. [2018-12-02 18:27:18,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-02 18:27:18,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:27:20,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:20,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 741 states and 1014 transitions. [2018-12-02 18:27:20,139 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1014 transitions. [2018-12-02 18:27:20,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-02 18:27:20,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:27:20,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:20,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 750 states and 1023 transitions. [2018-12-02 18:27:20,555 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1023 transitions. [2018-12-02 18:27:20,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 18:27:20,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 18:27:20,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:20,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 758 states and 1031 transitions. [2018-12-02 18:27:20,851 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1031 transitions. [2018-12-02 18:27:20,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 18:27:20,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:20,869 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 18:27:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 767 states and 1039 transitions. [2018-12-02 18:27:21,234 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1039 transitions. [2018-12-02 18:27:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 18:27:21,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:21,257 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 18:27:21,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:21,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 783 states and 1063 transitions. [2018-12-02 18:27:21,538 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1063 transitions. [2018-12-02 18:27:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 18:27:21,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:21,565 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 18:27:21,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:21,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 793 states and 1072 transitions. [2018-12-02 18:27:21,791 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1072 transitions. [2018-12-02 18:27:21,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 18:27:21,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:21,808 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 18:27:22,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:22,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 810 states and 1091 transitions. [2018-12-02 18:27:22,100 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1091 transitions. [2018-12-02 18:27:22,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 18:27:22,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 18:27:22,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:22,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 818 states and 1098 transitions. [2018-12-02 18:27:22,322 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1098 transitions. [2018-12-02 18:27:22,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 18:27:22,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:22,339 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 18:27:22,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:22,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 826 states and 1107 transitions. [2018-12-02 18:27:22,713 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1107 transitions. [2018-12-02 18:27:22,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 18:27:22,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:23,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:23,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 841 states and 1126 transitions. [2018-12-02 18:27:23,312 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1126 transitions. [2018-12-02 18:27:23,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 18:27:23,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:23,330 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 18:27:23,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:23,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 856 states and 1142 transitions. [2018-12-02 18:27:23,693 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1142 transitions. [2018-12-02 18:27:23,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 18:27:23,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:23,722 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:23,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:23,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 857 states and 1143 transitions. [2018-12-02 18:27:23,736 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1143 transitions. [2018-12-02 18:27:23,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-02 18:27:23,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 18:27:23,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:23,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 866 states and 1152 transitions. [2018-12-02 18:27:23,980 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1152 transitions. [2018-12-02 18:27:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 18:27:23,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:24,002 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 18:27:24,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:24,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 878 states and 1165 transitions. [2018-12-02 18:27:24,113 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1165 transitions. [2018-12-02 18:27:24,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 18:27:24,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:24,140 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:27:25,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:25,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 896 states and 1183 transitions. [2018-12-02 18:27:25,104 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1183 transitions. [2018-12-02 18:27:25,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 18:27:25,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:25,145 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:27:25,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:25,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 924 states and 1216 transitions. [2018-12-02 18:27:25,821 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1216 transitions. [2018-12-02 18:27:25,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 18:27:25,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:25,993 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 18:27:27,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:27,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 963 states and 1259 transitions. [2018-12-02 18:27:27,562 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1259 transitions. [2018-12-02 18:27:27,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 18:27:27,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:27,584 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:27:27,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:27,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 975 states and 1273 transitions. [2018-12-02 18:27:27,815 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1273 transitions. [2018-12-02 18:27:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 18:27:27,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:27,836 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:27:28,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:28,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 991 states and 1291 transitions. [2018-12-02 18:27:28,465 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1291 transitions. [2018-12-02 18:27:28,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 18:27:28,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:28,486 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:27:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:28,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1001 states and 1300 transitions. [2018-12-02 18:27:28,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1300 transitions. [2018-12-02 18:27:28,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 18:27:28,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:28,749 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:27:28,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:28,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1002 states and 1301 transitions. [2018-12-02 18:27:28,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1301 transitions. [2018-12-02 18:27:28,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 18:27:28,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 18:27:30,984 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-02 18:27:33,944 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-02 18:27:36,885 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2018-12-02 18:27:38,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:38,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1067 states and 1367 transitions. [2018-12-02 18:27:38,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1367 transitions. [2018-12-02 18:27:38,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 18:27:38,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 18:27:41,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:41,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1112 states and 1421 transitions. [2018-12-02 18:27:41,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1421 transitions. [2018-12-02 18:27:41,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 18:27:41,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:41,636 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 18:27:41,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:41,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1113 states and 1423 transitions. [2018-12-02 18:27:41,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1423 transitions. [2018-12-02 18:27:41,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 18:27:41,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:41,990 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:27:42,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:42,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1122 states and 1432 transitions. [2018-12-02 18:27:42,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1432 transitions. [2018-12-02 18:27:42,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 18:27:42,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:42,878 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 18:27:44,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:44,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1152 states and 1465 transitions. [2018-12-02 18:27:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1465 transitions. [2018-12-02 18:27:44,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 18:27:44,366 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:44,414 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 18:27:44,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:44,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1174 states and 1486 transitions. [2018-12-02 18:27:44,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1486 transitions. [2018-12-02 18:27:44,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 18:27:44,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:44,976 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 18:27:45,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:45,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1183 states and 1495 transitions. [2018-12-02 18:27:45,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1495 transitions. [2018-12-02 18:27:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 18:27:45,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 18:27:45,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:45,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1191 states and 1502 transitions. [2018-12-02 18:27:45,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1502 transitions. [2018-12-02 18:27:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 18:27:45,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:45,556 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:27:45,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:45,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1195 states and 1510 transitions. [2018-12-02 18:27:45,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1510 transitions. [2018-12-02 18:27:45,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 18:27:45,763 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 18:27:46,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:46,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1209 states and 1525 transitions. [2018-12-02 18:27:46,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1525 transitions. [2018-12-02 18:27:46,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-02 18:27:46,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:46,812 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 104 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 18:27:50,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:50,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1234 states and 1558 transitions. [2018-12-02 18:27:50,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1558 transitions. [2018-12-02 18:27:50,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-02 18:27:50,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:27:50,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:50,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1254 states and 1578 transitions. [2018-12-02 18:27:50,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1578 transitions. [2018-12-02 18:27:50,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 18:27:50,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:50,196 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 18:27:53,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:53,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1279 states and 1603 transitions. [2018-12-02 18:27:53,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1603 transitions. [2018-12-02 18:27:53,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 18:27:53,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-02 18:27:55,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:55,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1290 states and 1629 transitions. [2018-12-02 18:27:55,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1629 transitions. [2018-12-02 18:27:55,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 18:27:55,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:55,397 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-02 18:27:55,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:55,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1291 states and 1631 transitions. [2018-12-02 18:27:55,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1631 transitions. [2018-12-02 18:27:55,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 18:27:55,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:55,698 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-02 18:27:55,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:55,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1292 states and 1634 transitions. [2018-12-02 18:27:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1634 transitions. [2018-12-02 18:27:55,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 18:27:55,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:55,985 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:27:56,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:56,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1312 states and 1657 transitions. [2018-12-02 18:27:56,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1657 transitions. [2018-12-02 18:27:56,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 18:27:56,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:27:57,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:57,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1331 states and 1682 transitions. [2018-12-02 18:27:57,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1682 transitions. [2018-12-02 18:27:57,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 18:27:57,468 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:27:58,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:58,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1342 states and 1695 transitions. [2018-12-02 18:27:58,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1695 transitions. [2018-12-02 18:27:58,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 18:27:58,044 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:27:58,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:58,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1348 states and 1701 transitions. [2018-12-02 18:27:58,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1701 transitions. [2018-12-02 18:27:58,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 18:27:58,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:58,777 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:27:59,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1354 states and 1706 transitions. [2018-12-02 18:27:59,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1706 transitions. [2018-12-02 18:27:59,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 18:27:59,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 18:27:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:59,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1395 states and 1750 transitions. [2018-12-02 18:27:59,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1750 transitions. [2018-12-02 18:27:59,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-02 18:27:59,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:59,495 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 18:27:59,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:59,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1396 states and 1751 transitions. [2018-12-02 18:27:59,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1751 transitions. [2018-12-02 18:27:59,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-02 18:27:59,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:59,540 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:27:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:27:59,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1400 states and 1755 transitions. [2018-12-02 18:27:59,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1755 transitions. [2018-12-02 18:27:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 18:27:59,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:27:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:27:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-02 18:28:01,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:01,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1417 states and 1774 transitions. [2018-12-02 18:28:01,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1774 transitions. [2018-12-02 18:28:01,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 18:28:01,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:01,036 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-02 18:28:01,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:01,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1428 states and 1785 transitions. [2018-12-02 18:28:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1785 transitions. [2018-12-02 18:28:01,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 18:28:01,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:01,798 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 18:28:03,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:03,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1498 states and 1864 transitions. [2018-12-02 18:28:03,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1864 transitions. [2018-12-02 18:28:03,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 18:28:03,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:04,795 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 18:28:06,108 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-02 18:28:07,848 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 18:28:10,031 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-02 18:28:11,385 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-02 18:28:12,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:12,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1546 states and 1912 transitions. [2018-12-02 18:28:12,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 1912 transitions. [2018-12-02 18:28:12,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-02 18:28:12,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:12,143 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:28:13,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:13,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1566 states and 1938 transitions. [2018-12-02 18:28:13,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1938 transitions. [2018-12-02 18:28:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-02 18:28:13,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:13,746 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:28:14,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:14,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1577 states and 1949 transitions. [2018-12-02 18:28:14,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 1949 transitions. [2018-12-02 18:28:14,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-02 18:28:14,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:14,608 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:28:15,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:15,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1593 states and 1969 transitions. [2018-12-02 18:28:15,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 1969 transitions. [2018-12-02 18:28:15,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-02 18:28:15,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:15,645 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-02 18:28:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1597 states and 1977 transitions. [2018-12-02 18:28:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1977 transitions. [2018-12-02 18:28:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-02 18:28:15,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:28:17,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:17,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1625 states and 2006 transitions. [2018-12-02 18:28:17,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 2006 transitions. [2018-12-02 18:28:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-02 18:28:17,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:28:17,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:17,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 1636 states and 2016 transitions. [2018-12-02 18:28:17,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2016 transitions. [2018-12-02 18:28:17,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-02 18:28:17,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:17,670 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-02 18:28:20,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:20,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 1711 states and 2096 transitions. [2018-12-02 18:28:20,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2096 transitions. [2018-12-02 18:28:20,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 18:28:20,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:22,205 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-02 18:28:23,462 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:28:26,469 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2018-12-02 18:28:26,723 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-02 18:28:28,465 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2018-12-02 18:28:30,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:30,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1776 states and 2171 transitions. [2018-12-02 18:28:30,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2171 transitions. [2018-12-02 18:28:30,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 18:28:30,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:30,985 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:28:32,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1798 states and 2193 transitions. [2018-12-02 18:28:32,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2193 transitions. [2018-12-02 18:28:32,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 18:28:32,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:28:35,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:35,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1817 states and 2212 transitions. [2018-12-02 18:28:35,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2212 transitions. [2018-12-02 18:28:35,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 18:28:35,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:35,191 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:28:35,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:35,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 1819 states and 2214 transitions. [2018-12-02 18:28:35,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2214 transitions. [2018-12-02 18:28:35,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 18:28:35,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:36,657 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:28:41,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1829 states and 2226 transitions. [2018-12-02 18:28:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2226 transitions. [2018-12-02 18:28:41,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 18:28:41,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:41,871 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:28:42,919 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2018-12-02 18:28:44,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:44,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 1832 states and 2230 transitions. [2018-12-02 18:28:44,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2230 transitions. [2018-12-02 18:28:44,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 18:28:44,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:44,961 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 18:28:45,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:45,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 1837 states and 2242 transitions. [2018-12-02 18:28:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2242 transitions. [2018-12-02 18:28:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-02 18:28:45,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-02 18:28:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:45,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 1841 states and 2247 transitions. [2018-12-02 18:28:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2247 transitions. [2018-12-02 18:28:45,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-02 18:28:45,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:45,682 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-02 18:28:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:45,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 1842 states and 2247 transitions. [2018-12-02 18:28:45,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2247 transitions. [2018-12-02 18:28:45,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-02 18:28:45,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:45,771 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 18:28:45,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:45,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 1843 states and 2247 transitions. [2018-12-02 18:28:45,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2247 transitions. [2018-12-02 18:28:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-02 18:28:45,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:28:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 356 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 18:28:53,898 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-02 18:28:56,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:28:56,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 1968 states and 2381 transitions. [2018-12-02 18:28:56,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2381 transitions. [2018-12-02 18:28:56,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-02 18:28:56,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:28:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:29:00,064 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:29:01,269 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2018-12-02 18:29:05,133 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 18:29:12,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:29:12,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 2035 states and 2449 transitions. [2018-12-02 18:29:12,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2449 transitions. [2018-12-02 18:29:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-02 18:29:12,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:29:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:29:13,068 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:29:13,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:29:13,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2472 states to 2058 states and 2472 transitions. [2018-12-02 18:29:13,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2472 transitions. [2018-12-02 18:29:13,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-02 18:29:13,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:29:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:29:14,170 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:29:14,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:29:14,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2067 states and 2481 transitions. [2018-12-02 18:29:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2481 transitions. [2018-12-02 18:29:14,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-02 18:29:14,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:29:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:29:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:29:15,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:29:15,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2073 states and 2486 transitions. [2018-12-02 18:29:15,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 2486 transitions. [2018-12-02 18:29:15,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-02 18:29:15,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:29:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:29:17,076 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-02 18:29:22,861 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-12-02 18:29:24,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:29:24,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2095 states and 2512 transitions. [2018-12-02 18:29:24,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2512 transitions. [2018-12-02 18:29:24,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-02 18:29:24,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:29:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:29:24,378 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-02 18:29:25,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:29:25,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2103 states and 2521 transitions. [2018-12-02 18:29:25,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2521 transitions. [2018-12-02 18:29:25,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-02 18:29:25,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:29:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:29:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-02 18:29:26,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:29:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2124 states and 2542 transitions. [2018-12-02 18:29:26,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 2542 transitions. [2018-12-02 18:29:26,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-02 18:29:26,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:29:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:29:27,107 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-02 18:29:27,928 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-02 18:29:30,154 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-02 18:29:30,657 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-02 18:29:32,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:29:32,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2145 states and 2562 transitions. [2018-12-02 18:29:32,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2562 transitions. [2018-12-02 18:29:32,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-12-02 18:29:32,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:29:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:29:34,749 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-02 18:29:35,838 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-12-02 18:29:37,552 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-02 18:29:39,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:29:39,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2154 states and 2575 transitions. [2018-12-02 18:29:39,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2575 transitions. [2018-12-02 18:29:39,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-12-02 18:29:39,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:29:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:29:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-02 18:29:42,230 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-02 18:29:43,320 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 18:29:44,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:29:44,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2197 states and 2619 transitions. [2018-12-02 18:29:44,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2619 transitions. [2018-12-02 18:29:44,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-12-02 18:29:44,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:29:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:29:44,646 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-02 18:29:49,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:29:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 2212 states and 2635 transitions. [2018-12-02 18:29:49,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2635 transitions. [2018-12-02 18:29:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-12-02 18:29:49,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:29:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:29:49,741 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-02 18:29:50,114 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-02 18:29:51,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:29:51,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 2218 states and 2640 transitions. [2018-12-02 18:29:51,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 2640 transitions. [2018-12-02 18:29:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-02 18:29:51,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:29:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:29:54,496 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-02 18:29:55,869 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-02 18:29:59,847 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-02 18:30:01,351 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 18:30:04,215 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-02 18:30:04,880 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2018-12-02 18:30:06,623 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-02 18:30:08,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:08,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2260 states and 2685 transitions. [2018-12-02 18:30:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 2685 transitions. [2018-12-02 18:30:08,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-02 18:30:08,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:30:08,146 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-02 18:30:09,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:09,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2281 states and 2704 transitions. [2018-12-02 18:30:09,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 2704 transitions. [2018-12-02 18:30:09,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-02 18:30:09,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:30:09,441 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-12-02 18:30:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:13,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2750 states to 2314 states and 2750 transitions. [2018-12-02 18:30:13,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2750 transitions. [2018-12-02 18:30:13,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-02 18:30:13,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:30:13,331 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-12-02 18:30:19,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:19,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 2359 states and 2795 transitions. [2018-12-02 18:30:19,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 2795 transitions. [2018-12-02 18:30:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-02 18:30:19,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:30:19,402 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-12-02 18:30:26,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:26,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2392 states and 2836 transitions. [2018-12-02 18:30:26,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 2836 transitions. [2018-12-02 18:30:26,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-02 18:30:26,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:30:26,350 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-12-02 18:30:28,932 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2018-12-02 18:30:34,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:34,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 2434 states and 2878 transitions. [2018-12-02 18:30:34,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 2878 transitions. [2018-12-02 18:30:34,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-02 18:30:34,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:30:34,486 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-12-02 18:30:35,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:35,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2453 states and 2897 transitions. [2018-12-02 18:30:35,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2453 states and 2897 transitions. [2018-12-02 18:30:35,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-02 18:30:35,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:30:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-12-02 18:30:36,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:36,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2463 states and 2906 transitions. [2018-12-02 18:30:36,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 2906 transitions. [2018-12-02 18:30:36,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-02 18:30:36,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:30:36,197 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-12-02 18:30:37,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:37,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2476 states and 2921 transitions. [2018-12-02 18:30:37,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 2921 transitions. [2018-12-02 18:30:37,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-02 18:30:37,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:30:37,231 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-12-02 18:30:37,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2484 states and 2929 transitions. [2018-12-02 18:30:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 2929 transitions. [2018-12-02 18:30:37,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-02 18:30:37,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:30:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-12-02 18:30:38,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:38,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2494 states and 2938 transitions. [2018-12-02 18:30:38,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 2938 transitions. [2018-12-02 18:30:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-12-02 18:30:38,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:30:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 442 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-02 18:30:43,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:43,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2943 states to 2498 states and 2943 transitions. [2018-12-02 18:30:43,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 2943 transitions. [2018-12-02 18:30:43,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 18:30:43,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:30:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 18:30:49,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:49,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 2544 states and 2992 transitions. [2018-12-02 18:30:49,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 2992 transitions. [2018-12-02 18:30:49,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 18:30:49,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:30:49,574 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 18:30:52,765 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-02 18:30:54,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:54,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3014 states to 2566 states and 3014 transitions. [2018-12-02 18:30:54,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 3014 transitions. [2018-12-02 18:30:54,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 18:30:54,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:30:54,405 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 18:30:54,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 2572 states and 3020 transitions. [2018-12-02 18:30:54,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 3020 transitions. [2018-12-02 18:30:54,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 18:30:54,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:30:54,956 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 18:30:55,312 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-02 18:30:56,863 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2018-12-02 18:30:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:58,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 2581 states and 3028 transitions. [2018-12-02 18:30:58,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states and 3028 transitions. [2018-12-02 18:30:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 18:30:58,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:30:58,605 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 18:30:59,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:30:59,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 2591 states and 3037 transitions. [2018-12-02 18:30:59,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 3037 transitions. [2018-12-02 18:30:59,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-02 18:30:59,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:30:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:31:03,464 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 515 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 18:31:05,048 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-12-02 18:31:06,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:31:06,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 2605 states and 3052 transitions. [2018-12-02 18:31:06,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3052 transitions. [2018-12-02 18:31:06,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-02 18:31:06,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:31:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:31:06,861 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2018-12-02 18:31:08,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:31:08,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 2639 states and 3085 transitions. [2018-12-02 18:31:08,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2639 states and 3085 transitions. [2018-12-02 18:31:08,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-02 18:31:08,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:31:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:31:10,881 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-12-02 18:31:12,915 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-02 18:31:14,885 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-02 18:31:16,328 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-12-02 18:31:19,698 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2018-12-02 18:31:21,152 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-12-02 18:31:23,748 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-12-02 18:31:23,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:31:23,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3141 states to 2691 states and 3141 transitions. [2018-12-02 18:31:23,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 3141 transitions. [2018-12-02 18:31:23,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-02 18:31:23,941 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:31:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:31:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-12-02 18:31:25,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:31:25,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3143 states to 2693 states and 3143 transitions. [2018-12-02 18:31:25,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 3143 transitions. [2018-12-02 18:31:25,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-02 18:31:25,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:31:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:31:26,001 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-12-02 18:31:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:31:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 2708 states and 3156 transitions. [2018-12-02 18:31:27,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3156 transitions. [2018-12-02 18:31:27,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-02 18:31:27,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:31:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:31:31,859 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 18:31:34,549 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-02 18:31:38,618 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-12-02 18:31:39,219 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 18:31:41,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:31:41,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 2714 states and 3166 transitions. [2018-12-02 18:31:41,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3166 transitions. [2018-12-02 18:31:41,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-02 18:31:41,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:31:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:31:42,140 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 18:31:43,954 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2018-12-02 18:31:46,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:31:46,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 2719 states and 3173 transitions. [2018-12-02 18:31:46,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2719 states and 3173 transitions. [2018-12-02 18:31:46,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-02 18:31:46,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:31:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:31:46,473 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 18:31:49,668 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-02 18:31:53,900 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-02 18:31:55,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:31:55,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 2741 states and 3194 transitions. [2018-12-02 18:31:55,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 3194 transitions. [2018-12-02 18:31:55,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-02 18:31:55,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:31:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:31:55,557 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 18:32:01,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:32:01,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 2769 states and 3222 transitions. [2018-12-02 18:32:01,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3222 transitions. [2018-12-02 18:32:01,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-02 18:32:01,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:32:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:32:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 18:32:02,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:32:02,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3232 states to 2779 states and 3232 transitions. [2018-12-02 18:32:02,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3232 transitions. [2018-12-02 18:32:02,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-12-02 18:32:02,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:32:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:32:03,759 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 22 [2018-12-02 18:32:03,909 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-02 18:32:05,004 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-02 18:32:06,963 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-02 18:32:08,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:32:08,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 2813 states and 3270 transitions. [2018-12-02 18:32:08,948 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3270 transitions. [2018-12-02 18:32:08,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-12-02 18:32:08,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:32:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:32:09,093 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-02 18:32:09,986 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-02 18:32:10,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:32:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 2826 states and 3282 transitions. [2018-12-02 18:32:10,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 3282 transitions. [2018-12-02 18:32:10,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-12-02 18:32:10,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:32:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:32:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-02 18:32:11,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:32:11,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3291 states to 2835 states and 3291 transitions. [2018-12-02 18:32:11,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3291 transitions. [2018-12-02 18:32:11,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-12-02 18:32:11,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:32:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:32:11,674 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-02 18:32:12,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:32:12,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 2848 states and 3303 transitions. [2018-12-02 18:32:12,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2848 states and 3303 transitions. [2018-12-02 18:32:12,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-02 18:32:12,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:32:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:32:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 459 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2018-12-02 18:32:15,007 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-02 18:32:16,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:32:16,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 2853 states and 3307 transitions. [2018-12-02 18:32:16,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2853 states and 3307 transitions. [2018-12-02 18:32:16,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-02 18:32:16,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:32:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:32:16,503 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 425 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2018-12-02 18:32:20,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:32:20,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3347 states to 2887 states and 3347 transitions. [2018-12-02 18:32:20,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 3347 transitions. [2018-12-02 18:32:20,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-12-02 18:32:20,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:32:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:32:21,961 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 612 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 18:32:24,742 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2018-12-02 18:32:26,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:32:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 2900 states and 3363 transitions. [2018-12-02 18:32:26,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 3363 transitions. [2018-12-02 18:32:26,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-12-02 18:32:26,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:32:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:32:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 612 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 18:32:27,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:32:27,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3373 states to 2911 states and 3373 transitions. [2018-12-02 18:32:27,474 INFO L276 IsEmpty]: Start isEmpty. Operand 2911 states and 3373 transitions. [2018-12-02 18:32:27,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-02 18:32:27,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:32:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:32:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 570 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-12-02 18:32:29,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:32:29,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 2925 states and 3390 transitions. [2018-12-02 18:32:29,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 3390 transitions. [2018-12-02 18:32:29,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-02 18:32:29,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:32:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:32:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 570 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-12-02 18:32:30,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:32:30,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 2940 states and 3406 transitions. [2018-12-02 18:32:30,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 3406 transitions. [2018-12-02 18:32:30,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-02 18:32:30,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:32:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:32:30,333 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 570 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-12-02 18:32:30,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:32:30,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 2945 states and 3411 transitions. [2018-12-02 18:32:30,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2945 states and 3411 transitions. [2018-12-02 18:32:30,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-02 18:32:30,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:32:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:32:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 570 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-12-02 18:32:32,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:32:32,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 2958 states and 3423 transitions. [2018-12-02 18:32:32,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2958 states and 3423 transitions. [2018-12-02 18:32:32,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:32:32,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:32:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:32:32,491 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:32:38,542 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2018-12-02 18:32:40,933 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2018-12-02 18:32:43,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:32:43,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3466 states to 3001 states and 3466 transitions. [2018-12-02 18:32:43,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 3466 transitions. [2018-12-02 18:32:43,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:32:43,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:32:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:32:43,868 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:32:44,209 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-12-02 18:32:49,362 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2018-12-02 18:32:57,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:32:57,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3509 states to 3033 states and 3509 transitions. [2018-12-02 18:32:57,461 INFO L276 IsEmpty]: Start isEmpty. Operand 3033 states and 3509 transitions. [2018-12-02 18:32:57,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:32:57,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:32:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:32:57,566 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:33:00,494 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-12-02 18:33:09,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:33:09,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3071 states and 3555 transitions. [2018-12-02 18:33:09,088 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 3555 transitions. [2018-12-02 18:33:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:33:09,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:33:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:33:09,197 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:33:11,441 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2018-12-02 18:33:13,241 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2018-12-02 18:33:17,695 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2018-12-02 18:33:20,567 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-02 18:33:22,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:33:22,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3594 states to 3111 states and 3594 transitions. [2018-12-02 18:33:22,318 INFO L276 IsEmpty]: Start isEmpty. Operand 3111 states and 3594 transitions. [2018-12-02 18:33:22,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:33:22,319 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:33:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:33:22,451 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:33:24,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:33:24,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3604 states to 3122 states and 3604 transitions. [2018-12-02 18:33:24,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3122 states and 3604 transitions. [2018-12-02 18:33:24,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:33:24,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:33:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:33:24,697 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:33:28,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:33:28,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3631 states to 3146 states and 3631 transitions. [2018-12-02 18:33:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 3631 transitions. [2018-12-02 18:33:28,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:33:28,366 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:33:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:33:28,500 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:33:29,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:33:29,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3640 states to 3156 states and 3640 transitions. [2018-12-02 18:33:29,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 3640 transitions. [2018-12-02 18:33:29,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:33:29,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:33:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:33:29,636 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:33:30,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:33:30,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3649 states to 3166 states and 3649 transitions. [2018-12-02 18:33:30,441 INFO L276 IsEmpty]: Start isEmpty. Operand 3166 states and 3649 transitions. [2018-12-02 18:33:30,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:33:30,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:33:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:33:30,573 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:33:39,474 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-12-02 18:33:50,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:33:50,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 3200 states and 3694 transitions. [2018-12-02 18:33:50,665 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 3694 transitions. [2018-12-02 18:33:50,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:33:50,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:33:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:33:50,768 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:33:54,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:33:54,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 3222 states and 3719 transitions. [2018-12-02 18:33:54,126 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 3719 transitions. [2018-12-02 18:33:54,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:33:54,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:33:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:33:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:33:57,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:33:57,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3729 states to 3232 states and 3729 transitions. [2018-12-02 18:33:57,366 INFO L276 IsEmpty]: Start isEmpty. Operand 3232 states and 3729 transitions. [2018-12-02 18:33:57,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:33:57,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:33:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:33:57,487 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:34:02,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:02,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3240 states and 3736 transitions. [2018-12-02 18:34:02,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3240 states and 3736 transitions. [2018-12-02 18:34:02,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:34:02,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:02,534 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:34:04,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3751 states to 3255 states and 3751 transitions. [2018-12-02 18:34:04,095 INFO L276 IsEmpty]: Start isEmpty. Operand 3255 states and 3751 transitions. [2018-12-02 18:34:04,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:34:04,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:04,208 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:34:04,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:04,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 3272 states and 3768 transitions. [2018-12-02 18:34:04,967 INFO L276 IsEmpty]: Start isEmpty. Operand 3272 states and 3768 transitions. [2018-12-02 18:34:04,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:34:04,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:34:05,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:05,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3775 states to 3278 states and 3775 transitions. [2018-12-02 18:34:05,807 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 3775 transitions. [2018-12-02 18:34:05,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:34:05,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:34:06,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:06,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 3283 states and 3781 transitions. [2018-12-02 18:34:06,409 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 3781 transitions. [2018-12-02 18:34:06,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:34:06,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:06,546 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:34:07,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:07,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 3287 states and 3785 transitions. [2018-12-02 18:34:07,271 INFO L276 IsEmpty]: Start isEmpty. Operand 3287 states and 3785 transitions. [2018-12-02 18:34:07,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:34:07,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:34:08,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:08,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 3291 states and 3789 transitions. [2018-12-02 18:34:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 3291 states and 3789 transitions. [2018-12-02 18:34:08,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:34:08,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:08,411 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:34:09,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:09,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3794 states to 3297 states and 3794 transitions. [2018-12-02 18:34:09,040 INFO L276 IsEmpty]: Start isEmpty. Operand 3297 states and 3794 transitions. [2018-12-02 18:34:09,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:34:09,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:09,145 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:34:11,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 3308 states and 3806 transitions. [2018-12-02 18:34:11,830 INFO L276 IsEmpty]: Start isEmpty. Operand 3308 states and 3806 transitions. [2018-12-02 18:34:11,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:34:11,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:34:14,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:14,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3319 states and 3817 transitions. [2018-12-02 18:34:14,287 INFO L276 IsEmpty]: Start isEmpty. Operand 3319 states and 3817 transitions. [2018-12-02 18:34:14,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:34:14,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:14,388 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:34:16,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 3325 states and 3822 transitions. [2018-12-02 18:34:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 3822 transitions. [2018-12-02 18:34:16,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:34:16,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:16,224 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-12-02 18:34:17,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3825 states to 3329 states and 3825 transitions. [2018-12-02 18:34:17,069 INFO L276 IsEmpty]: Start isEmpty. Operand 3329 states and 3825 transitions. [2018-12-02 18:34:17,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-02 18:34:17,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:19,425 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-02 18:34:21,152 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-02 18:34:24,580 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-02 18:34:27,235 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-02 18:34:29,143 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-02 18:34:34,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:34,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3344 states and 3845 transitions. [2018-12-02 18:34:34,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 3845 transitions. [2018-12-02 18:34:34,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-02 18:34:34,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:34,573 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-02 18:34:34,833 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-02 18:34:36,528 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-02 18:34:38,418 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-12-02 18:34:38,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:38,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3850 states to 3348 states and 3850 transitions. [2018-12-02 18:34:38,542 INFO L276 IsEmpty]: Start isEmpty. Operand 3348 states and 3850 transitions. [2018-12-02 18:34:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-02 18:34:38,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-02 18:34:40,543 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-02 18:34:45,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3877 states to 3376 states and 3877 transitions. [2018-12-02 18:34:45,024 INFO L276 IsEmpty]: Start isEmpty. Operand 3376 states and 3877 transitions. [2018-12-02 18:34:45,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-02 18:34:45,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:45,242 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-02 18:34:46,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:46,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 3390 states and 3889 transitions. [2018-12-02 18:34:46,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 3889 transitions. [2018-12-02 18:34:46,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-02 18:34:46,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-12-02 18:34:51,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3919 states to 3417 states and 3919 transitions. [2018-12-02 18:34:51,550 INFO L276 IsEmpty]: Start isEmpty. Operand 3417 states and 3919 transitions. [2018-12-02 18:34:51,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-02 18:34:51,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:51,740 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-12-02 18:34:52,837 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-02 18:34:53,561 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2018-12-02 18:34:54,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:34:54,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3929 states to 3427 states and 3929 transitions. [2018-12-02 18:34:54,766 INFO L276 IsEmpty]: Start isEmpty. Operand 3427 states and 3929 transitions. [2018-12-02 18:34:54,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-02 18:34:54,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:34:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:34:54,921 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-12-02 18:34:55,762 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-02 18:34:57,697 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-12-02 18:34:59,729 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-02 18:35:01,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:35:01,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3951 states to 3449 states and 3951 transitions. [2018-12-02 18:35:01,160 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 3951 transitions. [2018-12-02 18:35:01,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-02 18:35:01,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:35:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:35:01,315 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-12-02 18:35:01,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:35:01,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3960 states to 3459 states and 3960 transitions. [2018-12-02 18:35:01,459 INFO L276 IsEmpty]: Start isEmpty. Operand 3459 states and 3960 transitions. [2018-12-02 18:35:01,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-02 18:35:01,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:35:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:35:02,423 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-02 18:35:03,601 WARN L180 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-02 18:35:06,276 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2018-12-02 18:35:10,912 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-02 18:35:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:35:11,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3978 states to 3474 states and 3978 transitions. [2018-12-02 18:35:11,119 INFO L276 IsEmpty]: Start isEmpty. Operand 3474 states and 3978 transitions. [2018-12-02 18:35:11,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-02 18:35:11,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:35:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:35:11,286 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-02 18:35:12,291 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2018-12-02 18:35:14,834 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-02 18:35:18,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:35:18,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4010 states to 3505 states and 4010 transitions. [2018-12-02 18:35:18,609 INFO L276 IsEmpty]: Start isEmpty. Operand 3505 states and 4010 transitions. [2018-12-02 18:35:18,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-02 18:35:18,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:35:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:35:18,773 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-02 18:35:18,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:35:18,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4014 states to 3509 states and 4014 transitions. [2018-12-02 18:35:18,934 INFO L276 IsEmpty]: Start isEmpty. Operand 3509 states and 4014 transitions. [2018-12-02 18:35:18,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-02 18:35:18,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:35:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:35:19,097 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-02 18:35:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:35:21,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4022 states to 3518 states and 4022 transitions. [2018-12-02 18:35:21,621 INFO L276 IsEmpty]: Start isEmpty. Operand 3518 states and 4022 transitions. [2018-12-02 18:35:21,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-02 18:35:21,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:35:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:35:21,784 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-02 18:35:22,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:35:22,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4031 states to 3528 states and 4031 transitions. [2018-12-02 18:35:22,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3528 states and 4031 transitions. [2018-12-02 18:35:22,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-12-02 18:35:22,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:35:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:35:22,576 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 496 proven. 2 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2018-12-02 18:35:25,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:35:25,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4045 states to 3541 states and 4045 transitions. [2018-12-02 18:35:25,694 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4045 transitions. [2018-12-02 18:35:25,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-12-02 18:35:25,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:35:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:35:25,772 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 496 proven. 2 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2018-12-02 18:35:28,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:35:28,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4051 states to 3548 states and 4051 transitions. [2018-12-02 18:35:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3548 states and 4051 transitions. [2018-12-02 18:35:28,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-12-02 18:35:28,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:35:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:35:30,469 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-02 18:35:33,806 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 18:35:40,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:35:40,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4065 states to 3558 states and 4065 transitions. [2018-12-02 18:35:40,770 INFO L276 IsEmpty]: Start isEmpty. Operand 3558 states and 4065 transitions. [2018-12-02 18:35:40,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-12-02 18:35:40,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:35:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:35:41,002 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 18:35:43,259 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-02 18:35:45,074 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-02 18:35:47,503 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2018-12-02 18:35:49,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:35:49,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4081 states to 3574 states and 4081 transitions. [2018-12-02 18:35:49,270 INFO L276 IsEmpty]: Start isEmpty. Operand 3574 states and 4081 transitions. [2018-12-02 18:35:49,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-12-02 18:35:49,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:35:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:35:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 18:35:50,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:35:50,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4085 states to 3579 states and 4085 transitions. [2018-12-02 18:35:50,841 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 4085 transitions. [2018-12-02 18:35:50,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-12-02 18:35:50,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:35:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:35:51,076 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 18:35:53,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:35:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4101 states to 3596 states and 4101 transitions. [2018-12-02 18:35:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 3596 states and 4101 transitions. [2018-12-02 18:35:53,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-12-02 18:35:53,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:35:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:35:54,784 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 781 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-12-02 18:35:59,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:35:59,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4135 states to 3628 states and 4135 transitions. [2018-12-02 18:35:59,976 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 4135 transitions. [2018-12-02 18:35:59,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-12-02 18:35:59,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:35:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:36:00,149 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 781 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-12-02 18:36:02,414 WARN L180 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-02 18:36:04,620 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-02 18:36:08,926 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-12-02 18:36:09,732 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-02 18:36:13,117 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-02 18:36:13,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:36:13,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4161 states to 3653 states and 4161 transitions. [2018-12-02 18:36:13,237 INFO L276 IsEmpty]: Start isEmpty. Operand 3653 states and 4161 transitions. [2018-12-02 18:36:13,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-12-02 18:36:13,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:36:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:36:13,408 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 781 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-12-02 18:36:14,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:36:14,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4162 states to 3655 states and 4162 transitions. [2018-12-02 18:36:14,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3655 states and 4162 transitions. [2018-12-02 18:36:14,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-12-02 18:36:14,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:36:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:36:14,219 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 781 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-12-02 18:36:14,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:36:14,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4171 states to 3665 states and 4171 transitions. [2018-12-02 18:36:14,370 INFO L276 IsEmpty]: Start isEmpty. Operand 3665 states and 4171 transitions. [2018-12-02 18:36:14,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-12-02 18:36:14,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:36:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:36:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 634 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2018-12-02 18:36:22,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:36:22,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 3717 states and 4223 transitions. [2018-12-02 18:36:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 3717 states and 4223 transitions. [2018-12-02 18:36:22,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-12-02 18:36:22,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:36:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:36:23,153 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 687 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2018-12-02 18:36:24,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:36:24,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4229 states to 3721 states and 4229 transitions. [2018-12-02 18:36:24,331 INFO L276 IsEmpty]: Start isEmpty. Operand 3721 states and 4229 transitions. [2018-12-02 18:36:24,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-12-02 18:36:24,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:36:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:36:24,493 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 687 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2018-12-02 18:36:25,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:36:25,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 3722 states and 4231 transitions. [2018-12-02 18:36:25,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 4231 transitions. [2018-12-02 18:36:25,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-12-02 18:36:25,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:36:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:36:30,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 766 proven. 94 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 18:36:37,120 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-02 18:36:41,467 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-12-02 18:36:41,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:36:41,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4251 states to 3738 states and 4251 transitions. [2018-12-02 18:36:41,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 4251 transitions. [2018-12-02 18:36:41,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-12-02 18:36:41,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:36:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:36:41,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 766 proven. 94 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 18:36:43,265 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-02 18:36:44,181 WARN L180 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2018-12-02 18:36:46,130 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-12-02 18:36:47,136 WARN L180 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2018-12-02 18:36:47,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:36:47,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4254 states to 3742 states and 4254 transitions. [2018-12-02 18:36:47,954 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4254 transitions. [2018-12-02 18:36:47,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-12-02 18:36:47,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:36:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:36:48,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 766 proven. 94 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 18:36:55,571 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-02 18:36:56,131 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-02 18:36:57,563 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-02 18:37:01,011 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-02 18:37:03,923 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 18:37:05,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:37:05,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4296 states to 3784 states and 4296 transitions. [2018-12-02 18:37:05,256 INFO L276 IsEmpty]: Start isEmpty. Operand 3784 states and 4296 transitions. [2018-12-02 18:37:05,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-12-02 18:37:05,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:37:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:37:05,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 766 proven. 94 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 18:37:06,083 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-12-02 18:37:07,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:37:07,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4300 states to 3789 states and 4300 transitions. [2018-12-02 18:37:07,660 INFO L276 IsEmpty]: Start isEmpty. Operand 3789 states and 4300 transitions. [2018-12-02 18:37:07,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-12-02 18:37:07,663 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:37:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:37:07,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 766 proven. 94 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 18:37:08,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:37:08,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4301 states to 3791 states and 4301 transitions. [2018-12-02 18:37:08,626 INFO L276 IsEmpty]: Start isEmpty. Operand 3791 states and 4301 transitions. [2018-12-02 18:37:08,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-02 18:37:08,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:37:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:37:08,801 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 562 proven. 8 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-12-02 18:37:14,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:37:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4356 states to 3842 states and 4356 transitions. [2018-12-02 18:37:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 3842 states and 4356 transitions. [2018-12-02 18:37:14,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-02 18:37:14,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:37:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:37:15,129 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 562 proven. 8 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-12-02 18:37:20,414 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-02 18:37:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:37:22,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4387 states to 3870 states and 4387 transitions. [2018-12-02 18:37:22,625 INFO L276 IsEmpty]: Start isEmpty. Operand 3870 states and 4387 transitions. [2018-12-02 18:37:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-12-02 18:37:22,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:37:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:37:25,865 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-02 18:37:28,386 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-02 18:37:31,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 18:37:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:37:38,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4393 states to 3874 states and 4393 transitions. [2018-12-02 18:37:38,988 INFO L276 IsEmpty]: Start isEmpty. Operand 3874 states and 4393 transitions. [2018-12-02 18:37:38,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-02 18:37:38,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:37:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:37:39,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 258 proven. 532 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2018-12-02 18:37:42,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:37:42,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4248 states to 3735 states and 4248 transitions. [2018-12-02 18:37:42,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3735 states and 4248 transitions. [2018-12-02 18:37:42,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 18:37:42,559 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 227 iterations. [2018-12-02 18:37:42,565 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 18:37:42,729 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 27 [2018-12-02 18:37:42,882 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2018-12-02 18:37:43,108 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 31 [2018-12-02 18:37:43,289 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2018-12-02 18:37:43,495 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 29 [2018-12-02 18:37:43,758 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 29 [2018-12-02 18:37:43,900 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 24 [2018-12-02 18:37:44,138 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 32 [2018-12-02 18:37:44,390 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 31 [2018-12-02 18:37:44,592 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 25 [2018-12-02 18:37:44,797 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 24 [2018-12-02 18:37:45,055 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 29 [2018-12-02 18:37:45,296 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 34 [2018-12-02 18:37:45,614 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 34 [2018-12-02 18:37:45,867 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 32 [2018-12-02 18:37:46,207 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 29 [2018-12-02 18:37:46,574 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 29 [2018-12-02 18:37:46,797 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2018-12-02 18:37:46,995 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2018-12-02 18:37:47,177 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 29 [2018-12-02 18:37:47,452 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2018-12-02 18:37:47,651 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2018-12-02 18:37:47,847 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2018-12-02 18:37:47,949 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 27 [2018-12-02 18:37:48,101 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2018-12-02 18:37:48,371 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2018-12-02 18:37:48,584 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2018-12-02 18:37:48,859 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2018-12-02 18:37:49,055 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 29 [2018-12-02 18:37:49,368 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 34 [2018-12-02 18:37:49,604 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2018-12-02 18:37:49,766 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2018-12-02 18:37:50,032 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2018-12-02 18:37:50,202 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 29 [2018-12-02 18:37:50,418 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 27 [2018-12-02 18:37:50,661 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 29 [2018-12-02 18:37:50,808 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 24 [2018-12-02 18:37:51,072 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2018-12-02 18:37:51,179 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 27 [2018-12-02 18:37:51,338 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 29 [2018-12-02 18:37:51,580 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 27 [2018-12-02 18:37:51,824 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 32 [2018-12-02 18:37:52,164 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 60 [2018-12-02 18:37:52,355 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 25 [2018-12-02 18:37:52,538 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2018-12-02 18:37:52,685 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 27 [2018-12-02 18:37:52,922 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 29 [2018-12-02 18:37:53,219 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2018-12-02 18:37:53,419 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2018-12-02 18:37:53,585 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2018-12-02 18:37:53,815 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 34 [2018-12-02 18:37:53,815 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:37:53,816 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-02 18:37:53,821 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-02 18:37:53,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:37:53 ImpRootNode [2018-12-02 18:37:53,822 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 18:37:53,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:37:53,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:37:53,822 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:37:53,822 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:26:59" (3/4) ... [2018-12-02 18:37:53,825 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 18:37:53,834 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-02 18:37:53,835 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-02 18:37:53,835 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 18:37:53,836 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 18:37:53,894 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c01b056d-b2d6-4606-bba4-1844a13e0662/bin-2019/ukojak/witness.graphml [2018-12-02 18:37:53,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:37:53,895 INFO L168 Benchmark]: Toolchain (without parser) took 655701.02 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 814.7 MB). Free memory was 950.6 MB in the beginning and 330.0 MB in the end (delta: 620.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-02 18:37:53,896 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:37:53,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. [2018-12-02 18:37:53,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.72 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 18:37:53,896 INFO L168 Benchmark]: Boogie Preprocessor took 28.85 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 18:37:53,896 INFO L168 Benchmark]: RCFGBuilder took 943.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.6 MB in the end (delta: 205.4 MB). Peak memory consumption was 205.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:37:53,896 INFO L168 Benchmark]: CodeCheck took 654296.00 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 665.3 MB). Free memory was 913.6 MB in the beginning and 348.5 MB in the end (delta: 565.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-02 18:37:53,897 INFO L168 Benchmark]: Witness Printer took 72.59 ms. Allocated memory is still 1.8 GB. Free memory was 348.5 MB in the beginning and 330.0 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-02 18:37:53,898 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 643.0s OverallTime, 227 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 270668844 SDtfs, -929381822 SDslu, 1619816722 SDs, 0 SdLazy, 2117636476 SolverSat, 826538280 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1781.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 359827 GetRequests, 346812 SyntacticMatches, 10595 SemanticMatches, 2420 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4130191 ImplicationChecksByTransitivity, 587.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 71.4s InterpolantComputationTime, 53858 NumberOfCodeBlocks, 53858 NumberOfCodeBlocksAsserted, 226 NumberOfCheckSat, 53632 ConstructedInterpolants, 0 QuantifiedInterpolants, 94846558 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 226 InterpolantComputations, 168 PerfectInterpolantSequences, 87280/88606 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: 512]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a20 == 1 || !(a16 == 6)) || a17 == 1) || ((((!(a7 == 1) && a8 == 15) && a12 == 8) && a17 <= 0) && a21 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a20 == 1 || !(a16 == 6)) || a17 == 1) || ((((!(a7 == 1) && a8 == 15) && a12 == 8) && a17 <= 0) && a21 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.72 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.85 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 943.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.6 MB in the end (delta: 205.4 MB). Peak memory consumption was 205.4 MB. Max. memory is 11.5 GB. * CodeCheck took 654296.00 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 665.3 MB). Free memory was 913.6 MB in the beginning and 348.5 MB in the end (delta: 565.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 72.59 ms. Allocated memory is still 1.8 GB. Free memory was 348.5 MB in the beginning and 330.0 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...