./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_60520bd4-b84c-44bd-ab94-fc02b17b04e0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_60520bd4-b84c-44bd-ab94-fc02b17b04e0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_60520bd4-b84c-44bd-ab94-fc02b17b04e0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_60520bd4-b84c-44bd-ab94-fc02b17b04e0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_60520bd4-b84c-44bd-ab94-fc02b17b04e0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_60520bd4-b84c-44bd-ab94-fc02b17b04e0/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e521cfa02db8c2eac8727300620f5ffec2ecc0c7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 18:45:30,495 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:45:30,496 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:45:30,502 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:45:30,503 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:45:30,503 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:45:30,504 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:45:30,505 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:45:30,506 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:45:30,507 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:45:30,508 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:45:30,508 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:45:30,508 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:45:30,509 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:45:30,510 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:45:30,511 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:45:30,511 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:45:30,512 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:45:30,514 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:45:30,515 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:45:30,515 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:45:30,516 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:45:30,517 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:45:30,518 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:45:30,518 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:45:30,518 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:45:30,519 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:45:30,520 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:45:30,520 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:45:30,521 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:45:30,521 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:45:30,522 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:45:30,522 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:45:30,522 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:45:30,522 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:45:30,523 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:45:30,523 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_60520bd4-b84c-44bd-ab94-fc02b17b04e0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 18:45:30,531 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:45:30,531 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:45:30,532 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:45:30,532 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 18:45:30,533 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 18:45:30,533 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 18:45:30,533 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:45:30,533 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:45:30,533 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:45:30,533 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:45:30,534 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:45:30,534 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:45:30,534 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:45:30,534 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:45:30,534 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:45:30,534 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:45:30,535 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:45:30,535 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:45:30,535 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 18:45:30,535 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 18:45:30,535 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:45:30,535 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:45:30,536 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 18:45:30,536 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:45:30,536 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:45:30,536 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:45:30,536 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 18:45:30,536 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:45:30,536 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 18:45:30,537 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_60520bd4-b84c-44bd-ab94-fc02b17b04e0/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e521cfa02db8c2eac8727300620f5ffec2ecc0c7 [2018-12-02 18:45:30,560 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:45:30,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:45:30,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:45:30,573 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:45:30,573 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:45:30,574 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_60520bd4-b84c-44bd-ab94-fc02b17b04e0/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c [2018-12-02 18:45:30,609 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60520bd4-b84c-44bd-ab94-fc02b17b04e0/bin-2019/ukojak/data/171733ac6/17bb88c6c49044048e47644a79c3032b/FLAG0aa98a65d [2018-12-02 18:45:31,070 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:45:31,071 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_60520bd4-b84c-44bd-ab94-fc02b17b04e0/sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c [2018-12-02 18:45:31,077 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60520bd4-b84c-44bd-ab94-fc02b17b04e0/bin-2019/ukojak/data/171733ac6/17bb88c6c49044048e47644a79c3032b/FLAG0aa98a65d [2018-12-02 18:45:31,086 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_60520bd4-b84c-44bd-ab94-fc02b17b04e0/bin-2019/ukojak/data/171733ac6/17bb88c6c49044048e47644a79c3032b [2018-12-02 18:45:31,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:45:31,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:45:31,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:45:31,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:45:31,091 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:45:31,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:45:31" (1/1) ... [2018-12-02 18:45:31,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:31, skipping insertion in model container [2018-12-02 18:45:31,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:45:31" (1/1) ... [2018-12-02 18:45:31,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:45:31,120 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:45:31,288 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:45:31,291 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:45:31,385 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:45:31,395 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:45:31,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:31 WrapperNode [2018-12-02 18:45:31,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:45:31,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:45:31,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:45:31,396 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:45:31,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:31" (1/1) ... [2018-12-02 18:45:31,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:31" (1/1) ... [2018-12-02 18:45:31,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:45:31,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:45:31,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:45:31,435 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:45:31,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:31" (1/1) ... [2018-12-02 18:45:31,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:31" (1/1) ... [2018-12-02 18:45:31,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:31" (1/1) ... [2018-12-02 18:45:31,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:31" (1/1) ... [2018-12-02 18:45:31,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:31" (1/1) ... [2018-12-02 18:45:31,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:31" (1/1) ... [2018-12-02 18:45:31,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:31" (1/1) ... [2018-12-02 18:45:31,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:45:31,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:45:31,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:45:31,464 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:45:31,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60520bd4-b84c-44bd-ab94-fc02b17b04e0/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 18:45:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:45:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:45:32,518 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:45:32,518 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 18:45:32,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:45:32 BoogieIcfgContainer [2018-12-02 18:45:32,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:45:32,519 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 18:45:32,519 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 18:45:32,526 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 18:45:32,526 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:45:32" (1/1) ... [2018-12-02 18:45:32,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:45:32,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:32,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-02 18:45:32,561 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-02 18:45:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 18:45:32,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:32,789 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 18:45:33,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:33,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 163 states and 242 transitions. [2018-12-02 18:45:33,120 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2018-12-02 18:45:33,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 18:45:33,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:33,199 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 18:45:33,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:33,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 242 states and 336 transitions. [2018-12-02 18:45:33,515 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 336 transitions. [2018-12-02 18:45:33,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-02 18:45:33,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:33,547 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 18:45:33,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:33,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 246 states and 341 transitions. [2018-12-02 18:45:33,638 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 341 transitions. [2018-12-02 18:45:33,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 18:45:33,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:33,663 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:33,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:33,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 255 states and 355 transitions. [2018-12-02 18:45:33,775 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 355 transitions. [2018-12-02 18:45:33,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 18:45:33,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:33,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:33,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 258 states and 358 transitions. [2018-12-02 18:45:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 358 transitions. [2018-12-02 18:45:33,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 18:45:33,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:33,832 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:45:33,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:33,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 262 states and 365 transitions. [2018-12-02 18:45:33,964 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 365 transitions. [2018-12-02 18:45:33,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 18:45:33,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:33,979 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 18:45:34,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:34,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 266 states and 370 transitions. [2018-12-02 18:45:34,108 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 370 transitions. [2018-12-02 18:45:34,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 18:45:34,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:34,149 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:34,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:34,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 283 states and 395 transitions. [2018-12-02 18:45:34,346 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 395 transitions. [2018-12-02 18:45:34,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 18:45:34,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:34,429 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:34,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:34,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 301 states and 420 transitions. [2018-12-02 18:45:34,850 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 420 transitions. [2018-12-02 18:45:34,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 18:45:34,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:34,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:34,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 304 states and 426 transitions. [2018-12-02 18:45:34,958 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 426 transitions. [2018-12-02 18:45:34,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 18:45:34,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:35,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:35,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 307 states and 429 transitions. [2018-12-02 18:45:35,068 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 429 transitions. [2018-12-02 18:45:35,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 18:45:35,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:35,140 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 18:45:35,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:35,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 330 states and 460 transitions. [2018-12-02 18:45:35,605 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 460 transitions. [2018-12-02 18:45:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-02 18:45:35,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:45:35,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:35,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 332 states and 462 transitions. [2018-12-02 18:45:35,701 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 462 transitions. [2018-12-02 18:45:35,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 18:45:35,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:35,776 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:45:36,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:36,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 411 states and 546 transitions. [2018-12-02 18:45:36,138 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 546 transitions. [2018-12-02 18:45:36,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-02 18:45:36,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:36,201 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 18:45:36,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:36,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 412 states and 550 transitions. [2018-12-02 18:45:36,357 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 550 transitions. [2018-12-02 18:45:36,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-02 18:45:36,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:36,376 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 18:45:36,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 415 states and 554 transitions. [2018-12-02 18:45:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 554 transitions. [2018-12-02 18:45:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-02 18:45:36,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 18:45:36,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:36,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 418 states and 558 transitions. [2018-12-02 18:45:36,617 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 558 transitions. [2018-12-02 18:45:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-02 18:45:36,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 18:45:36,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 421 states and 562 transitions. [2018-12-02 18:45:36,738 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 562 transitions. [2018-12-02 18:45:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-02 18:45:36,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:36,759 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 18:45:36,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:36,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 423 states and 564 transitions. [2018-12-02 18:45:36,820 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 564 transitions. [2018-12-02 18:45:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-02 18:45:36,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:36,843 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:36,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:36,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 427 states and 569 transitions. [2018-12-02 18:45:36,985 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 569 transitions. [2018-12-02 18:45:36,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-02 18:45:36,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:37,001 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:45:37,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:37,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 438 states and 583 transitions. [2018-12-02 18:45:37,222 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 583 transitions. [2018-12-02 18:45:37,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-02 18:45:37,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:37,239 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 18:45:37,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:37,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 449 states and 595 transitions. [2018-12-02 18:45:37,492 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 595 transitions. [2018-12-02 18:45:37,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 18:45:37,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:37,593 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:45:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:37,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 459 states and 609 transitions. [2018-12-02 18:45:37,922 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 609 transitions. [2018-12-02 18:45:37,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-02 18:45:37,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:37,948 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 18:45:38,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:38,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 462 states and 613 transitions. [2018-12-02 18:45:38,066 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 613 transitions. [2018-12-02 18:45:38,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-02 18:45:38,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:38,082 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 18:45:38,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 464 states and 614 transitions. [2018-12-02 18:45:38,211 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 614 transitions. [2018-12-02 18:45:38,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 18:45:38,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:45:38,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:38,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 486 states and 643 transitions. [2018-12-02 18:45:38,916 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 643 transitions. [2018-12-02 18:45:38,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 18:45:38,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:39,187 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:45:40,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:40,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 526 states and 698 transitions. [2018-12-02 18:45:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 698 transitions. [2018-12-02 18:45:40,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 18:45:40,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:40,562 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:45:40,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:40,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 529 states and 701 transitions. [2018-12-02 18:45:40,787 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 701 transitions. [2018-12-02 18:45:40,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 18:45:40,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:40,800 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 18:45:40,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:40,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 530 states and 702 transitions. [2018-12-02 18:45:40,873 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 702 transitions. [2018-12-02 18:45:40,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 18:45:40,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:40,891 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:45:40,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:40,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 547 states and 721 transitions. [2018-12-02 18:45:40,954 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 721 transitions. [2018-12-02 18:45:40,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 18:45:40,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:40,970 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:41,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:41,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 551 states and 726 transitions. [2018-12-02 18:45:41,101 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 726 transitions. [2018-12-02 18:45:41,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 18:45:41,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:41,134 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 18:45:41,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:41,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 560 states and 736 transitions. [2018-12-02 18:45:41,345 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 736 transitions. [2018-12-02 18:45:41,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 18:45:41,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:41,372 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:45:41,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:41,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 562 states and 738 transitions. [2018-12-02 18:45:41,399 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 738 transitions. [2018-12-02 18:45:41,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 18:45:41,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:41,434 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:45:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:41,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 564 states and 740 transitions. [2018-12-02 18:45:41,464 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 740 transitions. [2018-12-02 18:45:41,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 18:45:41,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:41,695 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 58 proven. 8 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 18:45:42,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:42,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 614 states and 802 transitions. [2018-12-02 18:45:42,585 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 802 transitions. [2018-12-02 18:45:42,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 18:45:42,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:42,650 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 18:45:43,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:43,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 641 states and 830 transitions. [2018-12-02 18:45:43,784 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 830 transitions. [2018-12-02 18:45:43,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 18:45:43,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:43,837 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 18:45:44,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:44,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 644 states and 833 transitions. [2018-12-02 18:45:44,001 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 833 transitions. [2018-12-02 18:45:44,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 18:45:44,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:44,018 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 18:45:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:44,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 650 states and 838 transitions. [2018-12-02 18:45:44,104 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 838 transitions. [2018-12-02 18:45:44,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 18:45:44,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:44,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:44,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 666 states and 854 transitions. [2018-12-02 18:45:44,171 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 854 transitions. [2018-12-02 18:45:44,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 18:45:44,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:44,187 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 18:45:44,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:44,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 679 states and 867 transitions. [2018-12-02 18:45:44,228 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 867 transitions. [2018-12-02 18:45:44,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 18:45:44,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:44,264 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:44,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:44,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 714 states and 904 transitions. [2018-12-02 18:45:44,380 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 904 transitions. [2018-12-02 18:45:44,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 18:45:44,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:44,397 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 18:45:44,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:44,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 717 states and 906 transitions. [2018-12-02 18:45:44,477 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 906 transitions. [2018-12-02 18:45:44,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-02 18:45:44,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:44,537 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:45:45,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:45,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 747 states and 935 transitions. [2018-12-02 18:45:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 935 transitions. [2018-12-02 18:45:45,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 18:45:45,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:45,141 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:45:45,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:45,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 749 states and 937 transitions. [2018-12-02 18:45:45,317 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 937 transitions. [2018-12-02 18:45:45,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-02 18:45:45,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:45,441 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-02 18:45:47,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:47,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 887 states and 1084 transitions. [2018-12-02 18:45:47,304 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1084 transitions. [2018-12-02 18:45:47,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 18:45:47,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:47,339 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-02 18:45:47,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 888 states and 1085 transitions. [2018-12-02 18:45:47,364 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1085 transitions. [2018-12-02 18:45:47,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-02 18:45:47,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:47,432 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:45:47,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:47,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 890 states and 1087 transitions. [2018-12-02 18:45:47,476 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1087 transitions. [2018-12-02 18:45:47,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-02 18:45:47,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:47,519 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:45:48,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:48,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 909 states and 1109 transitions. [2018-12-02 18:45:48,030 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1109 transitions. [2018-12-02 18:45:48,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 18:45:48,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:48,069 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:45:48,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:48,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 910 states and 1110 transitions. [2018-12-02 18:45:48,104 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1110 transitions. [2018-12-02 18:45:48,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-02 18:45:48,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:48,131 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 18:45:48,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:48,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 916 states and 1115 transitions. [2018-12-02 18:45:48,234 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1115 transitions. [2018-12-02 18:45:48,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 18:45:48,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:48,286 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 18:45:48,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:48,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 921 states and 1122 transitions. [2018-12-02 18:45:48,535 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1122 transitions. [2018-12-02 18:45:48,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 18:45:48,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:48,648 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 18:45:49,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1024 states and 1231 transitions. [2018-12-02 18:45:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1231 transitions. [2018-12-02 18:45:49,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-02 18:45:49,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:50,359 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:45:53,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:53,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1074 states and 1286 transitions. [2018-12-02 18:45:53,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1286 transitions. [2018-12-02 18:45:53,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-02 18:45:53,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:53,423 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:45:53,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:53,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1077 states and 1290 transitions. [2018-12-02 18:45:53,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1290 transitions. [2018-12-02 18:45:53,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-02 18:45:53,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:53,878 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:45:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:57,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1145 states and 1374 transitions. [2018-12-02 18:45:57,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1374 transitions. [2018-12-02 18:45:57,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-02 18:45:57,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:57,477 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:45:57,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:57,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1148 states and 1377 transitions. [2018-12-02 18:45:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1377 transitions. [2018-12-02 18:45:57,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-02 18:45:57,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:57,792 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:45:58,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:58,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1151 states and 1380 transitions. [2018-12-02 18:45:58,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1380 transitions. [2018-12-02 18:45:58,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-02 18:45:58,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:58,073 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:45:58,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:45:58,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1163 states and 1397 transitions. [2018-12-02 18:45:58,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1397 transitions. [2018-12-02 18:45:58,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-02 18:45:58,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:45:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:45:59,279 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 177 proven. 9 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:46:03,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1182 states and 1423 transitions. [2018-12-02 18:46:03,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1423 transitions. [2018-12-02 18:46:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-02 18:46:03,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:03,245 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 177 proven. 9 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:46:03,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1185 states and 1426 transitions. [2018-12-02 18:46:03,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1426 transitions. [2018-12-02 18:46:03,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-02 18:46:03,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:46:03,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:03,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1189 states and 1431 transitions. [2018-12-02 18:46:03,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1431 transitions. [2018-12-02 18:46:03,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-02 18:46:03,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:03,683 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 18:46:04,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:04,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1192 states and 1436 transitions. [2018-12-02 18:46:04,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1436 transitions. [2018-12-02 18:46:04,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-02 18:46:04,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:04,305 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 18:46:04,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:04,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1193 states and 1436 transitions. [2018-12-02 18:46:04,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1436 transitions. [2018-12-02 18:46:04,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-02 18:46:04,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:04,493 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-02 18:46:04,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:04,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1205 states and 1448 transitions. [2018-12-02 18:46:04,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1448 transitions. [2018-12-02 18:46:04,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-02 18:46:04,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:05,010 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-02 18:46:05,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:05,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1222 states and 1465 transitions. [2018-12-02 18:46:05,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1465 transitions. [2018-12-02 18:46:05,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-02 18:46:05,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:05,316 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:46:06,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:06,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1259 states and 1508 transitions. [2018-12-02 18:46:06,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1508 transitions. [2018-12-02 18:46:06,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-02 18:46:06,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:07,136 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:46:11,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:11,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1308 states and 1559 transitions. [2018-12-02 18:46:11,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1559 transitions. [2018-12-02 18:46:11,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-02 18:46:11,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:11,376 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:46:12,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:12,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1339 states and 1592 transitions. [2018-12-02 18:46:12,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1592 transitions. [2018-12-02 18:46:12,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-02 18:46:12,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:12,936 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:46:13,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1351 states and 1603 transitions. [2018-12-02 18:46:13,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1603 transitions. [2018-12-02 18:46:13,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-02 18:46:13,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:13,853 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:46:14,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:14,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1363 states and 1614 transitions. [2018-12-02 18:46:14,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1614 transitions. [2018-12-02 18:46:14,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-02 18:46:14,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:14,240 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 18:46:14,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:14,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1366 states and 1617 transitions. [2018-12-02 18:46:14,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1617 transitions. [2018-12-02 18:46:14,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-02 18:46:14,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:14,535 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:46:16,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:16,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1391 states and 1643 transitions. [2018-12-02 18:46:16,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1643 transitions. [2018-12-02 18:46:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-02 18:46:16,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:17,044 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:46:17,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:17,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1398 states and 1649 transitions. [2018-12-02 18:46:17,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1649 transitions. [2018-12-02 18:46:17,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 18:46:17,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:17,853 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-02 18:46:17,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1399 states and 1650 transitions. [2018-12-02 18:46:17,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1650 transitions. [2018-12-02 18:46:17,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 18:46:17,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:18,003 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-02 18:46:18,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1403 states and 1654 transitions. [2018-12-02 18:46:18,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1654 transitions. [2018-12-02 18:46:18,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 18:46:18,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:18,459 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:46:18,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:18,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1407 states and 1661 transitions. [2018-12-02 18:46:18,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1661 transitions. [2018-12-02 18:46:18,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 18:46:18,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:18,952 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:46:19,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1410 states and 1665 transitions. [2018-12-02 18:46:19,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1665 transitions. [2018-12-02 18:46:19,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-02 18:46:19,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:19,253 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-02 18:46:19,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:19,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1416 states and 1670 transitions. [2018-12-02 18:46:19,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1670 transitions. [2018-12-02 18:46:19,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-02 18:46:19,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:19,528 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:46:23,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:23,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1489 states and 1758 transitions. [2018-12-02 18:46:23,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1758 transitions. [2018-12-02 18:46:23,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-02 18:46:23,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:23,335 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:46:24,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:24,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1505 states and 1773 transitions. [2018-12-02 18:46:24,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1773 transitions. [2018-12-02 18:46:24,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-02 18:46:24,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:24,322 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:46:24,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:24,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1511 states and 1780 transitions. [2018-12-02 18:46:24,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 1780 transitions. [2018-12-02 18:46:24,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-02 18:46:24,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:24,687 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-12-02 18:46:25,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:25,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1513 states and 1784 transitions. [2018-12-02 18:46:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1784 transitions. [2018-12-02 18:46:25,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-02 18:46:25,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:25,070 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 18:46:25,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:25,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1525 states and 1795 transitions. [2018-12-02 18:46:25,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1795 transitions. [2018-12-02 18:46:25,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-02 18:46:25,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:25,452 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 18:46:25,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:25,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1529 states and 1799 transitions. [2018-12-02 18:46:25,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1799 transitions. [2018-12-02 18:46:25,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-02 18:46:25,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-02 18:46:26,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:26,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1533 states and 1803 transitions. [2018-12-02 18:46:26,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1803 transitions. [2018-12-02 18:46:26,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-12-02 18:46:26,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:46:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:26,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1564 states and 1839 transitions. [2018-12-02 18:46:26,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1839 transitions. [2018-12-02 18:46:26,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-12-02 18:46:26,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:26,681 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:46:28,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1598 states and 1875 transitions. [2018-12-02 18:46:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 1875 transitions. [2018-12-02 18:46:28,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-12-02 18:46:28,332 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:28,366 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 18:46:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:28,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1605 states and 1881 transitions. [2018-12-02 18:46:28,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1881 transitions. [2018-12-02 18:46:28,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-02 18:46:28,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:28,838 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-02 18:46:28,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:28,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1612 states and 1886 transitions. [2018-12-02 18:46:28,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 1886 transitions. [2018-12-02 18:46:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-02 18:46:28,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 18:46:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 1757 states and 2041 transitions. [2018-12-02 18:46:31,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2041 transitions. [2018-12-02 18:46:31,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-02 18:46:31,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:31,403 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 18:46:31,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:31,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 1791 states and 2077 transitions. [2018-12-02 18:46:31,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2077 transitions. [2018-12-02 18:46:31,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-02 18:46:31,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:31,861 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 18:46:32,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:32,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 1794 states and 2081 transitions. [2018-12-02 18:46:32,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2081 transitions. [2018-12-02 18:46:32,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-02 18:46:32,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:32,318 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 18:46:32,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:32,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 1810 states and 2097 transitions. [2018-12-02 18:46:32,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2097 transitions. [2018-12-02 18:46:32,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-02 18:46:32,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:32,551 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-02 18:46:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 1811 states and 2097 transitions. [2018-12-02 18:46:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2097 transitions. [2018-12-02 18:46:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-02 18:46:32,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:33,587 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:46:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:39,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 1943 states and 2261 transitions. [2018-12-02 18:46:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 2261 transitions. [2018-12-02 18:46:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-02 18:46:39,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:39,401 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:46:45,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:45,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 1991 states and 2314 transitions. [2018-12-02 18:46:45,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2314 transitions. [2018-12-02 18:46:45,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-02 18:46:45,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:46:46,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:46,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 2000 states and 2322 transitions. [2018-12-02 18:46:46,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2322 transitions. [2018-12-02 18:46:46,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-02 18:46:46,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:46:47,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:47,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2326 states to 2005 states and 2326 transitions. [2018-12-02 18:46:47,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2326 transitions. [2018-12-02 18:46:47,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-02 18:46:47,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:46:48,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:48,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2014 states and 2334 transitions. [2018-12-02 18:46:48,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 2334 transitions. [2018-12-02 18:46:48,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-02 18:46:48,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:49,605 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 250 proven. 28 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 18:46:53,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:53,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2066 states and 2402 transitions. [2018-12-02 18:46:53,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2402 transitions. [2018-12-02 18:46:53,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-02 18:46:53,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:53,816 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 250 proven. 28 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 18:46:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:55,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2072 states and 2409 transitions. [2018-12-02 18:46:55,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 2409 transitions. [2018-12-02 18:46:55,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-02 18:46:55,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:55,082 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-12-02 18:46:55,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:55,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 2076 states and 2413 transitions. [2018-12-02 18:46:55,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2413 transitions. [2018-12-02 18:46:55,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-02 18:46:55,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:55,619 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-12-02 18:46:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2079 states and 2415 transitions. [2018-12-02 18:46:55,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2415 transitions. [2018-12-02 18:46:55,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 18:46:55,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:55,877 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 18:46:57,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:57,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2154 states and 2490 transitions. [2018-12-02 18:46:57,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2490 transitions. [2018-12-02 18:46:57,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 18:46:57,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:57,286 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 18:46:57,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:57,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2175 states and 2510 transitions. [2018-12-02 18:46:57,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2510 transitions. [2018-12-02 18:46:57,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 18:46:57,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 18:46:58,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:58,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2177 states and 2512 transitions. [2018-12-02 18:46:58,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2512 transitions. [2018-12-02 18:46:58,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 18:46:58,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 18:46:59,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:46:59,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2181 states and 2518 transitions. [2018-12-02 18:46:59,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2518 transitions. [2018-12-02 18:46:59,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-02 18:46:59,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:46:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:46:59,326 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-02 18:47:01,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:01,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2201 states and 2545 transitions. [2018-12-02 18:47:01,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 2545 transitions. [2018-12-02 18:47:01,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-02 18:47:01,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:01,550 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-02 18:47:01,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:01,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2204 states and 2548 transitions. [2018-12-02 18:47:01,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 2548 transitions. [2018-12-02 18:47:01,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-02 18:47:01,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:01,940 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-02 18:47:02,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2207 states and 2551 transitions. [2018-12-02 18:47:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 2551 transitions. [2018-12-02 18:47:02,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-02 18:47:02,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:02,408 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 264 proven. 42 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 18:47:02,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:02,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2213 states and 2560 transitions. [2018-12-02 18:47:02,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2560 transitions. [2018-12-02 18:47:02,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-02 18:47:02,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 264 proven. 42 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 18:47:03,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:03,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2214 states and 2561 transitions. [2018-12-02 18:47:03,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 2561 transitions. [2018-12-02 18:47:03,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-02 18:47:03,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:03,458 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 18:47:04,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:04,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2241 states and 2596 transitions. [2018-12-02 18:47:04,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 2596 transitions. [2018-12-02 18:47:04,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-02 18:47:04,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:04,688 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 18:47:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:05,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2248 states and 2604 transitions. [2018-12-02 18:47:05,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2248 states and 2604 transitions. [2018-12-02 18:47:05,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-02 18:47:05,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 18:47:06,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:06,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2251 states and 2607 transitions. [2018-12-02 18:47:06,158 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 2607 transitions. [2018-12-02 18:47:06,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-02 18:47:06,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:06,241 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 237 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 18:47:06,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:06,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2610 states to 2254 states and 2610 transitions. [2018-12-02 18:47:06,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2610 transitions. [2018-12-02 18:47:06,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-02 18:47:06,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:06,921 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-02 18:47:17,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:17,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2519 states and 2925 transitions. [2018-12-02 18:47:17,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 2925 transitions. [2018-12-02 18:47:17,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 18:47:17,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:17,092 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-12-02 18:47:17,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:17,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2531 states and 2937 transitions. [2018-12-02 18:47:17,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 2937 transitions. [2018-12-02 18:47:17,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 18:47:17,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:17,200 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-12-02 18:47:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:17,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2939 states to 2534 states and 2939 transitions. [2018-12-02 18:47:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 2939 transitions. [2018-12-02 18:47:17,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-02 18:47:17,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:18,137 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-02 18:47:22,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:22,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 2628 states and 3042 transitions. [2018-12-02 18:47:22,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 3042 transitions. [2018-12-02 18:47:22,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-02 18:47:22,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:22,359 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-02 18:47:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:27,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 2691 states and 3116 transitions. [2018-12-02 18:47:27,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 3116 transitions. [2018-12-02 18:47:27,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-02 18:47:27,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:27,291 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-02 18:47:29,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:29,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 2727 states and 3159 transitions. [2018-12-02 18:47:29,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2727 states and 3159 transitions. [2018-12-02 18:47:29,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 18:47:29,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:29,430 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-02 18:47:31,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:31,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 2864 states and 3301 transitions. [2018-12-02 18:47:31,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states and 3301 transitions. [2018-12-02 18:47:31,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-02 18:47:31,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 18:47:39,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:39,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 2902 states and 3349 transitions. [2018-12-02 18:47:39,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 3349 transitions. [2018-12-02 18:47:39,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-02 18:47:39,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:39,687 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 18:47:43,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:43,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 2919 states and 3368 transitions. [2018-12-02 18:47:43,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2919 states and 3368 transitions. [2018-12-02 18:47:43,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-02 18:47:43,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:43,310 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 18:47:45,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:45,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3377 states to 2926 states and 3377 transitions. [2018-12-02 18:47:45,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3377 transitions. [2018-12-02 18:47:45,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-02 18:47:45,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:45,866 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 18:47:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 2935 states and 3387 transitions. [2018-12-02 18:47:47,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 3387 transitions. [2018-12-02 18:47:47,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-02 18:47:47,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 18:47:48,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:48,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 2937 states and 3389 transitions. [2018-12-02 18:47:48,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 3389 transitions. [2018-12-02 18:47:48,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-02 18:47:48,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:48,171 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-02 18:47:50,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:50,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 2999 states and 3454 transitions. [2018-12-02 18:47:50,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2999 states and 3454 transitions. [2018-12-02 18:47:50,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-02 18:47:50,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:50,120 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-02 18:47:53,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:53,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3482 states to 3024 states and 3482 transitions. [2018-12-02 18:47:53,434 INFO L276 IsEmpty]: Start isEmpty. Operand 3024 states and 3482 transitions. [2018-12-02 18:47:53,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-02 18:47:53,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:53,576 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 12 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2018-12-02 18:47:54,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:47:54,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 3028 states and 3486 transitions. [2018-12-02 18:47:54,328 INFO L276 IsEmpty]: Start isEmpty. Operand 3028 states and 3486 transitions. [2018-12-02 18:47:54,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 18:47:54,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:47:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:47:55,202 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 73 proven. 402 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-02 18:48:08,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:48:08,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3577 states to 3096 states and 3577 transitions. [2018-12-02 18:48:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 3577 transitions. [2018-12-02 18:48:08,257 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 18:48:08,257 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 133 iterations. [2018-12-02 18:48:08,266 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 18:48:08,387 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 23 [2018-12-02 18:48:08,505 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 23 [2018-12-02 18:48:08,667 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 23 [2018-12-02 18:48:08,825 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 23 [2018-12-02 18:48:08,957 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 23 [2018-12-02 18:48:09,388 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 23 [2018-12-02 18:48:09,538 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 23 [2018-12-02 18:48:09,690 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 23 [2018-12-02 18:48:10,034 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 23 [2018-12-02 18:48:10,143 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 23 [2018-12-02 18:48:10,259 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 23 [2018-12-02 18:48:10,371 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 23 [2018-12-02 18:48:10,487 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 23 [2018-12-02 18:48:10,751 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2018-12-02 18:48:10,903 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 23 [2018-12-02 18:48:11,013 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 23 [2018-12-02 18:48:11,125 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 23 [2018-12-02 18:48:11,393 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2018-12-02 18:48:11,607 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 23 [2018-12-02 18:48:11,817 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 23 [2018-12-02 18:48:11,919 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 23 [2018-12-02 18:48:12,044 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 23 [2018-12-02 18:48:12,248 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 23 [2018-12-02 18:48:12,357 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 23 [2018-12-02 18:48:12,554 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 23 [2018-12-02 18:48:12,678 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 23 [2018-12-02 18:48:13,026 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 23 [2018-12-02 18:48:13,369 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 23 [2018-12-02 18:48:13,563 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 23 [2018-12-02 18:48:13,740 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 23 [2018-12-02 18:48:13,842 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 23 [2018-12-02 18:48:14,250 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 23 [2018-12-02 18:48:14,363 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 23 [2018-12-02 18:48:14,544 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 23 [2018-12-02 18:48:14,919 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 23 [2018-12-02 18:48:15,030 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 23 [2018-12-02 18:48:15,444 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2018-12-02 18:48:15,568 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 23 [2018-12-02 18:48:15,716 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 23 [2018-12-02 18:48:16,158 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:48:16,160 INFO L583 CodeCheckObserver]: Invariant with dag size 23 [2018-12-02 18:48:16,167 INFO L583 CodeCheckObserver]: Invariant with dag size 23 [2018-12-02 18:48:16,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:48:16 ImpRootNode [2018-12-02 18:48:16,168 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 18:48:16,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:48:16,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:48:16,168 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:48:16,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:45:32" (3/4) ... [2018-12-02 18:48:16,171 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 18:48:16,183 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-02 18:48:16,184 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-02 18:48:16,184 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-02 18:48:16,185 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 18:48:16,264 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_60520bd4-b84c-44bd-ab94-fc02b17b04e0/bin-2019/ukojak/witness.graphml [2018-12-02 18:48:16,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:48:16,265 INFO L168 Benchmark]: Toolchain (without parser) took 165176.25 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 951.7 MB in the beginning and 1.9 GB in the end (delta: -961.0 MB). Peak memory consumption was 435.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:48:16,265 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:48:16,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-12-02 18:48:16,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.55 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 18:48:16,265 INFO L168 Benchmark]: Boogie Preprocessor took 29.05 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 18:48:16,266 INFO L168 Benchmark]: RCFGBuilder took 1054.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.0 MB in the end (delta: 229.0 MB). Peak memory consumption was 229.0 MB. Max. memory is 11.5 GB. [2018-12-02 18:48:16,266 INFO L168 Benchmark]: CodeCheck took 163648.54 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 898.0 MB in the beginning and 1.9 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-02 18:48:16,266 INFO L168 Benchmark]: Witness Printer took 96.21 ms. Allocated memory is still 2.4 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:48:16,267 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 155.7s OverallTime, 133 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 52324452 SDtfs, -1497152338 SDslu, 500265576 SDs, 0 SdLazy, -1385094750 SolverSat, 371955328 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 444.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 181110 GetRequests, 176399 SyntacticMatches, 3359 SemanticMatches, 1352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1307555 ImplicationChecksByTransitivity, 134.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 27353 NumberOfCodeBlocks, 27353 NumberOfCodeBlocksAsserted, 132 NumberOfCheckSat, 27221 ConstructedInterpolants, 0 QuantifiedInterpolants, 25940394 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 132 InterpolantComputations, 96 PerfectInterpolantSequences, 27771/29578 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 517]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((a25 == 1 || !(a11 == 1)) || a17 == 8) || !(a28 == 7) || (!(a17 == 7) && a21 == 1)) || !(a19 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((a25 == 1 || !(a11 == 1)) || a17 == 8) || !(a28 == 7) || (!(a17 == 7) && a21 == 1)) || !(a19 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 305.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.55 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.05 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1054.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.0 MB in the end (delta: 229.0 MB). Peak memory consumption was 229.0 MB. Max. memory is 11.5 GB. * CodeCheck took 163648.54 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 898.0 MB in the beginning and 1.9 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 96.21 ms. Allocated memory is still 2.4 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...