./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label20_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_436b3f09-695f-4fc8-9dca-655f75dde1c1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_436b3f09-695f-4fc8-9dca-655f75dde1c1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_436b3f09-695f-4fc8-9dca-655f75dde1c1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_436b3f09-695f-4fc8-9dca-655f75dde1c1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_436b3f09-695f-4fc8-9dca-655f75dde1c1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_436b3f09-695f-4fc8-9dca-655f75dde1c1/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 5360c3d4aebe9582cd01259f723ea710f280bf1f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:44:21,498 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:44:21,499 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:44:21,505 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:44:21,505 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:44:21,505 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:44:21,506 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:44:21,507 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:44:21,508 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:44:21,508 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:44:21,508 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:44:21,508 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:44:21,509 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:44:21,509 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:44:21,510 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:44:21,510 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:44:21,511 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:44:21,511 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:44:21,512 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:44:21,513 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:44:21,513 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:44:21,514 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:44:21,515 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:44:21,515 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:44:21,515 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:44:21,516 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:44:21,516 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:44:21,516 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:44:21,517 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:44:21,517 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:44:21,517 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:44:21,518 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:44:21,518 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:44:21,518 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:44:21,518 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:44:21,519 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:44:21,519 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_436b3f09-695f-4fc8-9dca-655f75dde1c1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 15:44:21,526 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:44:21,526 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:44:21,526 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:44:21,527 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 15:44:21,527 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 15:44:21,527 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 15:44:21,527 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:44:21,527 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:44:21,527 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:44:21,527 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:44:21,527 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:44:21,528 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:44:21,528 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:44:21,528 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:44:21,528 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:44:21,528 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:44:21,528 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 15:44:21,528 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:44:21,528 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 15:44:21,528 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 15:44:21,528 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:44:21,528 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:44:21,528 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 15:44:21,528 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:44:21,529 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:44:21,529 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:44:21,529 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 15:44:21,529 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:44:21,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:44:21,529 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_436b3f09-695f-4fc8-9dca-655f75dde1c1/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 -> 5360c3d4aebe9582cd01259f723ea710f280bf1f [2018-12-09 15:44:21,546 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:44:21,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:44:21,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:44:21,558 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:44:21,559 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:44:21,559 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_436b3f09-695f-4fc8-9dca-655f75dde1c1/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c [2018-12-09 15:44:21,600 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_436b3f09-695f-4fc8-9dca-655f75dde1c1/bin-2019/ukojak/data/2b9322dd6/1a34a00f352345189d01157162bdec68/FLAG68f8d535c [2018-12-09 15:44:22,010 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:44:22,011 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_436b3f09-695f-4fc8-9dca-655f75dde1c1/sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c [2018-12-09 15:44:22,017 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_436b3f09-695f-4fc8-9dca-655f75dde1c1/bin-2019/ukojak/data/2b9322dd6/1a34a00f352345189d01157162bdec68/FLAG68f8d535c [2018-12-09 15:44:22,026 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_436b3f09-695f-4fc8-9dca-655f75dde1c1/bin-2019/ukojak/data/2b9322dd6/1a34a00f352345189d01157162bdec68 [2018-12-09 15:44:22,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:44:22,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:44:22,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:44:22,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:44:22,032 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:44:22,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:44:22" (1/1) ... [2018-12-09 15:44:22,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:44:22, skipping insertion in model container [2018-12-09 15:44:22,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:44:22" (1/1) ... [2018-12-09 15:44:22,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:44:22,061 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:44:22,229 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:44:22,232 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:44:22,308 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:44:22,317 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:44:22,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:44:22 WrapperNode [2018-12-09 15:44:22,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:44:22,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:44:22,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:44:22,318 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:44:22,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:44:22" (1/1) ... [2018-12-09 15:44:22,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:44:22" (1/1) ... [2018-12-09 15:44:22,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:44:22,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:44:22,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:44:22,359 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:44:22,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:44:22" (1/1) ... [2018-12-09 15:44:22,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:44:22" (1/1) ... [2018-12-09 15:44:22,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:44:22" (1/1) ... [2018-12-09 15:44:22,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:44:22" (1/1) ... [2018-12-09 15:44:22,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:44:22" (1/1) ... [2018-12-09 15:44:22,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:44:22" (1/1) ... [2018-12-09 15:44:22,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:44:22" (1/1) ... [2018-12-09 15:44:22,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:44:22,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:44:22,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:44:22,388 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:44:22,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:44:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_436b3f09-695f-4fc8-9dca-655f75dde1c1/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 15:44:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:44:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:44:23,436 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:44:23,436 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 15:44:23,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:44:23 BoogieIcfgContainer [2018-12-09 15:44:23,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:44:23,437 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 15:44:23,437 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 15:44:23,447 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 15:44:23,447 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:44:23" (1/1) ... [2018-12-09 15:44:23,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:44:23,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:23,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-09 15:44:23,490 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-09 15:44:23,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 15:44:23,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:23,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:44:24,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:24,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2018-12-09 15:44:24,010 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2018-12-09 15:44:24,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 15:44:24,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:24,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:44:24,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:24,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 242 states and 325 transitions. [2018-12-09 15:44:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 325 transitions. [2018-12-09 15:44:24,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 15:44:24,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:24,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 15:44:24,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:24,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 243 states and 326 transitions. [2018-12-09 15:44:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2018-12-09 15:44:24,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 15:44:24,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:24,533 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 15:44:24,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:24,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 249 states and 333 transitions. [2018-12-09 15:44:24,639 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 333 transitions. [2018-12-09 15:44:24,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 15:44:24,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:24,690 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:44:24,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:24,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 266 states and 360 transitions. [2018-12-09 15:44:24,819 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 360 transitions. [2018-12-09 15:44:24,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 15:44:24,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:24,900 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:44:25,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 284 states and 385 transitions. [2018-12-09 15:44:25,192 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 385 transitions. [2018-12-09 15:44:25,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 15:44:25,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:25,230 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:44:25,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:25,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 305 states and 414 transitions. [2018-12-09 15:44:25,476 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 414 transitions. [2018-12-09 15:44:25,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 15:44:25,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:25,505 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:44:25,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:25,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 309 states and 421 transitions. [2018-12-09 15:44:25,684 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 421 transitions. [2018-12-09 15:44:25,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 15:44:25,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:25,703 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 15:44:26,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:26,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 327 states and 443 transitions. [2018-12-09 15:44:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 443 transitions. [2018-12-09 15:44:26,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 15:44:26,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:26,048 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:44:26,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:26,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 331 states and 447 transitions. [2018-12-09 15:44:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 447 transitions. [2018-12-09 15:44:26,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 15:44:26,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:26,082 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 15:44:26,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:26,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 332 states and 449 transitions. [2018-12-09 15:44:26,204 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 449 transitions. [2018-12-09 15:44:26,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 15:44:26,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:26,220 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 15:44:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:26,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 335 states and 453 transitions. [2018-12-09 15:44:26,330 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 453 transitions. [2018-12-09 15:44:26,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 15:44:26,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:26,414 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:44:26,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:26,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 346 states and 469 transitions. [2018-12-09 15:44:26,684 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 469 transitions. [2018-12-09 15:44:26,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 15:44:26,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:26,712 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 15:44:26,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:26,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 347 states and 472 transitions. [2018-12-09 15:44:26,830 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 472 transitions. [2018-12-09 15:44:26,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 15:44:26,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 15:44:27,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:27,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 364 states and 490 transitions. [2018-12-09 15:44:27,049 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 490 transitions. [2018-12-09 15:44:27,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 15:44:27,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:44:27,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:27,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 394 states and 529 transitions. [2018-12-09 15:44:27,646 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 529 transitions. [2018-12-09 15:44:27,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 15:44:27,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:27,745 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:44:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:28,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 424 states and 565 transitions. [2018-12-09 15:44:28,487 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 565 transitions. [2018-12-09 15:44:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 15:44:28,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:28,538 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:44:28,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:28,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 427 states and 569 transitions. [2018-12-09 15:44:28,649 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 569 transitions. [2018-12-09 15:44:28,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 15:44:28,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:44:28,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:28,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 443 states and 587 transitions. [2018-12-09 15:44:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 587 transitions. [2018-12-09 15:44:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 15:44:28,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:28,896 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:44:29,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:29,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 444 states and 589 transitions. [2018-12-09 15:44:29,060 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 589 transitions. [2018-12-09 15:44:29,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 15:44:29,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:44:29,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:29,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 463 states and 611 transitions. [2018-12-09 15:44:29,284 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 611 transitions. [2018-12-09 15:44:29,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 15:44:29,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:29,315 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 15:44:29,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:29,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 467 states and 614 transitions. [2018-12-09 15:44:29,427 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 614 transitions. [2018-12-09 15:44:29,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 15:44:29,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:29,516 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:44:29,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:29,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 499 states and 646 transitions. [2018-12-09 15:44:29,701 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 646 transitions. [2018-12-09 15:44:29,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 15:44:29,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 15:44:29,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:29,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 504 states and 650 transitions. [2018-12-09 15:44:29,756 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 650 transitions. [2018-12-09 15:44:29,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 15:44:29,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 15:44:29,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 518 states and 665 transitions. [2018-12-09 15:44:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 665 transitions. [2018-12-09 15:44:29,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 15:44:29,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:30,002 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 15:44:30,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:30,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 530 states and 676 transitions. [2018-12-09 15:44:30,087 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 676 transitions. [2018-12-09 15:44:30,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 15:44:30,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:30,348 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 15:44:31,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:31,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 570 states and 728 transitions. [2018-12-09 15:44:31,632 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 728 transitions. [2018-12-09 15:44:31,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 15:44:31,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:31,659 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 15:44:31,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:31,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 585 states and 742 transitions. [2018-12-09 15:44:31,830 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 742 transitions. [2018-12-09 15:44:31,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 15:44:31,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 15:44:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:32,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 597 states and 753 transitions. [2018-12-09 15:44:32,067 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 753 transitions. [2018-12-09 15:44:32,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 15:44:32,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:44:32,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:32,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 616 states and 772 transitions. [2018-12-09 15:44:32,176 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 772 transitions. [2018-12-09 15:44:32,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-09 15:44:32,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 15:44:32,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 617 states and 773 transitions. [2018-12-09 15:44:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 773 transitions. [2018-12-09 15:44:32,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 15:44:32,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:32,351 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:44:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:32,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 622 states and 780 transitions. [2018-12-09 15:44:32,396 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 780 transitions. [2018-12-09 15:44:32,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 15:44:32,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:32,424 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:44:32,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:32,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 624 states and 782 transitions. [2018-12-09 15:44:32,445 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 782 transitions. [2018-12-09 15:44:32,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 15:44:32,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:44:32,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:32,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 625 states and 783 transitions. [2018-12-09 15:44:32,489 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 783 transitions. [2018-12-09 15:44:32,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 15:44:32,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:32,541 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:44:32,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:32,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 639 states and 797 transitions. [2018-12-09 15:44:32,596 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 797 transitions. [2018-12-09 15:44:32,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 15:44:32,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:32,629 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-09 15:44:32,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:32,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 641 states and 798 transitions. [2018-12-09 15:44:32,711 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 798 transitions. [2018-12-09 15:44:32,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 15:44:32,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:44:33,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:33,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 660 states and 820 transitions. [2018-12-09 15:44:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 820 transitions. [2018-12-09 15:44:33,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-09 15:44:33,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:33,253 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:44:33,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:33,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 661 states and 821 transitions. [2018-12-09 15:44:33,268 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 821 transitions. [2018-12-09 15:44:33,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 15:44:33,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:33,285 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:44:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:33,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 664 states and 824 transitions. [2018-12-09 15:44:33,301 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 824 transitions. [2018-12-09 15:44:33,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 15:44:33,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:33,342 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:44:33,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:33,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 665 states and 825 transitions. [2018-12-09 15:44:33,500 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 825 transitions. [2018-12-09 15:44:33,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 15:44:33,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:33,537 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:44:33,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 680 states and 839 transitions. [2018-12-09 15:44:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 839 transitions. [2018-12-09 15:44:33,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 15:44:33,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:33,934 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:44:34,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:34,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 693 states and 853 transitions. [2018-12-09 15:44:34,308 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 853 transitions. [2018-12-09 15:44:34,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 15:44:34,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:34,372 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:44:34,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:34,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 696 states and 856 transitions. [2018-12-09 15:44:34,500 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 856 transitions. [2018-12-09 15:44:34,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 15:44:34,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:34,536 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 15:44:34,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:34,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 720 states and 881 transitions. [2018-12-09 15:44:34,608 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 881 transitions. [2018-12-09 15:44:34,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 15:44:34,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 15:44:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 737 states and 901 transitions. [2018-12-09 15:44:35,640 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 901 transitions. [2018-12-09 15:44:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 15:44:35,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 15:44:36,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 749 states and 912 transitions. [2018-12-09 15:44:36,456 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 912 transitions. [2018-12-09 15:44:36,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 15:44:36,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:36,523 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 15:44:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:36,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 771 states and 935 transitions. [2018-12-09 15:44:36,807 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 935 transitions. [2018-12-09 15:44:36,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-09 15:44:36,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:36,835 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 15:44:36,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:36,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 799 states and 963 transitions. [2018-12-09 15:44:36,916 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 963 transitions. [2018-12-09 15:44:36,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 15:44:36,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:36,940 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 15:44:36,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:36,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 803 states and 967 transitions. [2018-12-09 15:44:36,962 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 967 transitions. [2018-12-09 15:44:36,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 15:44:36,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-09 15:44:37,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:37,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 821 states and 987 transitions. [2018-12-09 15:44:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 987 transitions. [2018-12-09 15:44:37,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-09 15:44:37,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:37,489 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:44:37,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:37,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 831 states and 998 transitions. [2018-12-09 15:44:37,602 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 998 transitions. [2018-12-09 15:44:37,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-09 15:44:37,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:37,650 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 15:44:38,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:38,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 843 states and 1013 transitions. [2018-12-09 15:44:38,071 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1013 transitions. [2018-12-09 15:44:38,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 15:44:38,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:38,412 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 178 proven. 9 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 15:44:40,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 854 states and 1031 transitions. [2018-12-09 15:44:40,130 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1031 transitions. [2018-12-09 15:44:40,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 15:44:40,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:40,188 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 15:44:40,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:40,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 855 states and 1032 transitions. [2018-12-09 15:44:40,205 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1032 transitions. [2018-12-09 15:44:40,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 15:44:40,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:40,240 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 15:44:40,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:40,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 856 states and 1032 transitions. [2018-12-09 15:44:40,383 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1032 transitions. [2018-12-09 15:44:40,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 15:44:40,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:40,407 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 15:44:40,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:40,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 860 states and 1037 transitions. [2018-12-09 15:44:40,498 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1037 transitions. [2018-12-09 15:44:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-09 15:44:40,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:40,572 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-09 15:44:41,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:41,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 874 states and 1051 transitions. [2018-12-09 15:44:41,241 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1051 transitions. [2018-12-09 15:44:41,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-09 15:44:41,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:41,318 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-09 15:44:41,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:41,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 886 states and 1062 transitions. [2018-12-09 15:44:41,683 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1062 transitions. [2018-12-09 15:44:41,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 15:44:41,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:41,833 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 15:44:42,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:42,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 957 states and 1141 transitions. [2018-12-09 15:44:42,535 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1141 transitions. [2018-12-09 15:44:42,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 15:44:42,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:42,677 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 15:44:42,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:42,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 962 states and 1145 transitions. [2018-12-09 15:44:42,846 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1145 transitions. [2018-12-09 15:44:42,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 15:44:42,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:42,898 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:44:42,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:42,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 963 states and 1145 transitions. [2018-12-09 15:44:42,912 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1145 transitions. [2018-12-09 15:44:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 15:44:42,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:42,975 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 15:44:43,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:43,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 988 states and 1170 transitions. [2018-12-09 15:44:43,542 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1170 transitions. [2018-12-09 15:44:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 15:44:43,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 15:44:43,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:43,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 994 states and 1176 transitions. [2018-12-09 15:44:43,610 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1176 transitions. [2018-12-09 15:44:43,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 15:44:43,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 15:44:43,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:43,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 995 states and 1176 transitions. [2018-12-09 15:44:43,846 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1176 transitions. [2018-12-09 15:44:43,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 15:44:43,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:43,871 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:44:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:43,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 998 states and 1179 transitions. [2018-12-09 15:44:43,890 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1179 transitions. [2018-12-09 15:44:43,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 15:44:43,891 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:43,985 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 15:44:45,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:45,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1069 states and 1256 transitions. [2018-12-09 15:44:45,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1256 transitions. [2018-12-09 15:44:45,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 15:44:45,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 15:44:45,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:45,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1101 states and 1292 transitions. [2018-12-09 15:44:45,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1292 transitions. [2018-12-09 15:44:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 15:44:45,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:45,761 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 15:44:45,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:45,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1102 states and 1292 transitions. [2018-12-09 15:44:45,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1292 transitions. [2018-12-09 15:44:45,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 15:44:45,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:45,982 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-09 15:44:46,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:46,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1108 states and 1300 transitions. [2018-12-09 15:44:46,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1300 transitions. [2018-12-09 15:44:46,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-09 15:44:46,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:46,342 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 15:44:47,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:47,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1128 states and 1325 transitions. [2018-12-09 15:44:47,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1325 transitions. [2018-12-09 15:44:47,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-09 15:44:47,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:47,193 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 15:44:47,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:47,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1130 states and 1326 transitions. [2018-12-09 15:44:47,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1326 transitions. [2018-12-09 15:44:47,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-09 15:44:47,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:47,411 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 15:44:48,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:48,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1150 states and 1348 transitions. [2018-12-09 15:44:48,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1348 transitions. [2018-12-09 15:44:48,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-09 15:44:48,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 15:44:48,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:48,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1151 states and 1350 transitions. [2018-12-09 15:44:48,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1350 transitions. [2018-12-09 15:44:48,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-09 15:44:48,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:48,439 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 15:44:48,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:48,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1154 states and 1353 transitions. [2018-12-09 15:44:48,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1353 transitions. [2018-12-09 15:44:48,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-09 15:44:48,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:48,728 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 195 proven. 16 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:44:50,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:50,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1187 states and 1392 transitions. [2018-12-09 15:44:50,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1392 transitions. [2018-12-09 15:44:50,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-09 15:44:50,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:50,421 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 195 proven. 16 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:44:50,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:50,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1190 states and 1396 transitions. [2018-12-09 15:44:50,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1396 transitions. [2018-12-09 15:44:50,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-09 15:44:50,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:50,739 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 195 proven. 16 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:44:50,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:50,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1191 states and 1396 transitions. [2018-12-09 15:44:50,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1396 transitions. [2018-12-09 15:44:50,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-09 15:44:50,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:51,001 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 15:44:51,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:51,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1195 states and 1402 transitions. [2018-12-09 15:44:51,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1402 transitions. [2018-12-09 15:44:51,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-09 15:44:51,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:51,151 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 15:44:51,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:51,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1212 states and 1419 transitions. [2018-12-09 15:44:51,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1419 transitions. [2018-12-09 15:44:51,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-09 15:44:51,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 15:44:51,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:51,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1213 states and 1419 transitions. [2018-12-09 15:44:51,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1419 transitions. [2018-12-09 15:44:51,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-09 15:44:51,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:51,471 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-09 15:44:51,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1251 states and 1459 transitions. [2018-12-09 15:44:51,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1459 transitions. [2018-12-09 15:44:51,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-09 15:44:51,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:52,052 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-09 15:44:56,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:56,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1315 states and 1529 transitions. [2018-12-09 15:44:56,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1529 transitions. [2018-12-09 15:44:56,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-09 15:44:56,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:56,763 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-09 15:44:57,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:57,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1318 states and 1532 transitions. [2018-12-09 15:44:57,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1532 transitions. [2018-12-09 15:44:57,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-09 15:44:57,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:57,045 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-12-09 15:44:57,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:57,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1321 states and 1534 transitions. [2018-12-09 15:44:57,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1534 transitions. [2018-12-09 15:44:57,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-09 15:44:57,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:57,380 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-09 15:44:58,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:44:58,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1357 states and 1571 transitions. [2018-12-09 15:44:58,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1571 transitions. [2018-12-09 15:44:58,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-09 15:44:58,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:44:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:44:59,696 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 15:45:03,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:45:03,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1478 states and 1711 transitions. [2018-12-09 15:45:03,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1711 transitions. [2018-12-09 15:45:03,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-09 15:45:03,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:45:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:45:03,438 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 15:45:03,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:45:03,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1482 states and 1715 transitions. [2018-12-09 15:45:03,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1715 transitions. [2018-12-09 15:45:03,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-09 15:45:03,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:45:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:45:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 15:45:04,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:45:04,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1487 states and 1719 transitions. [2018-12-09 15:45:04,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1719 transitions. [2018-12-09 15:45:04,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-09 15:45:04,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:45:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:45:04,230 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 15:45:04,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:45:04,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1514 states and 1746 transitions. [2018-12-09 15:45:04,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1746 transitions. [2018-12-09 15:45:04,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 15:45:04,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:45:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:45:04,596 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 15:45:04,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:45:04,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1538 states and 1770 transitions. [2018-12-09 15:45:04,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1770 transitions. [2018-12-09 15:45:04,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 15:45:04,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:45:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:45:04,841 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 15:45:04,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:45:04,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1557 states and 1788 transitions. [2018-12-09 15:45:04,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1788 transitions. [2018-12-09 15:45:04,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-09 15:45:04,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:45:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:45:05,054 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 15:45:05,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:45:05,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1571 states and 1802 transitions. [2018-12-09 15:45:05,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1802 transitions. [2018-12-09 15:45:05,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 15:45:05,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:45:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:45:05,275 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 404 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 15:45:05,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:45:05,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1587 states and 1820 transitions. [2018-12-09 15:45:05,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 1820 transitions. [2018-12-09 15:45:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 15:45:05,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:45:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:45:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 404 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 15:45:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:45:06,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1424 states and 1635 transitions. [2018-12-09 15:45:06,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1635 transitions. [2018-12-09 15:45:06,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 15:45:06,068 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 95 iterations. [2018-12-09 15:45:06,073 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 15:45:09,067 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 15:45:09,069 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-09 15:45:09,075 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-09 15:45:09,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 03:45:09 ImpRootNode [2018-12-09 15:45:09,076 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 15:45:09,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:45:09,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:45:09,076 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:45:09,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:44:23" (3/4) ... [2018-12-09 15:45:09,079 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 15:45:09,092 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-12-09 15:45:09,093 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-09 15:45:09,094 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 15:45:09,095 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 15:45:09,186 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_436b3f09-695f-4fc8-9dca-655f75dde1c1/bin-2019/ukojak/witness.graphml [2018-12-09 15:45:09,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:45:09,187 INFO L168 Benchmark]: Toolchain (without parser) took 47158.83 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 951.7 MB in the beginning and 857.8 MB in the end (delta: 93.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-09 15:45:09,188 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:45:09,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:45:09,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:45:09,189 INFO L168 Benchmark]: Boogie Preprocessor took 28.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:45:09,189 INFO L168 Benchmark]: RCFGBuilder took 1048.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 866.7 MB in the end (delta: 218.9 MB). Peak memory consumption was 218.9 MB. Max. memory is 11.5 GB. [2018-12-09 15:45:09,189 INFO L168 Benchmark]: CodeCheck took 45638.83 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 924.3 MB). Free memory was 864.0 MB in the beginning and 881.4 MB in the end (delta: -17.4 MB). Peak memory consumption was 996.6 MB. Max. memory is 11.5 GB. [2018-12-09 15:45:09,190 INFO L168 Benchmark]: Witness Printer took 110.40 ms. Allocated memory is still 2.1 GB. Free memory was 881.4 MB in the beginning and 857.8 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-12-09 15:45:09,191 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, 42.6s OverallTime, 95 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1819289616 SDtfs, -345376716 SDslu, 373449824 SDs, 0 SdLazy, -1956635286 SolverSat, 526726702 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 176.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 106541 GetRequests, 104972 SyntacticMatches, 945 SemanticMatches, 624 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289407 ImplicationChecksByTransitivity, 33.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 16942 NumberOfCodeBlocks, 16942 NumberOfCodeBlocksAsserted, 94 NumberOfCheckSat, 16848 ConstructedInterpolants, 0 QuantifiedInterpolants, 7650444 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 94 InterpolantComputations, 74 PerfectInterpolantSequences, 16214/16495 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: 469]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 288.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1048.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 866.7 MB in the end (delta: 218.9 MB). Peak memory consumption was 218.9 MB. Max. memory is 11.5 GB. * CodeCheck took 45638.83 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 924.3 MB). Free memory was 864.0 MB in the beginning and 881.4 MB in the end (delta: -17.4 MB). Peak memory consumption was 996.6 MB. Max. memory is 11.5 GB. * Witness Printer took 110.40 ms. Allocated memory is still 2.1 GB. Free memory was 881.4 MB in the beginning and 857.8 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...