./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_69413f4b-9188-4f1a-977e-fb422d72dcdd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_69413f4b-9188-4f1a-977e-fb422d72dcdd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_69413f4b-9188-4f1a-977e-fb422d72dcdd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_69413f4b-9188-4f1a-977e-fb422d72dcdd/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_69413f4b-9188-4f1a-977e-fb422d72dcdd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_69413f4b-9188-4f1a-977e-fb422d72dcdd/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 c896360830ff8b0574c029e3cde358b7dc7cde03 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:15:30,317 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:15:30,318 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:15:30,326 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:15:30,326 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:15:30,327 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:15:30,328 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:15:30,329 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:15:30,330 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:15:30,331 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:15:30,332 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:15:30,332 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:15:30,333 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:15:30,334 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:15:30,335 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:15:30,335 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:15:30,336 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:15:30,337 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:15:30,339 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:15:30,340 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:15:30,341 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:15:30,341 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:15:30,343 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:15:30,343 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:15:30,343 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:15:30,344 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:15:30,344 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:15:30,345 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:15:30,346 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:15:30,347 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:15:30,347 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:15:30,347 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:15:30,348 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:15:30,348 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:15:30,348 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:15:30,349 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:15:30,349 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_69413f4b-9188-4f1a-977e-fb422d72dcdd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 12:15:30,359 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:15:30,359 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:15:30,360 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:15:30,360 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:15:30,360 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:15:30,360 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:15:30,361 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:15:30,361 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:15:30,361 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:15:30,361 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:15:30,362 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:15:30,362 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:15:30,362 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:15:30,362 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:15:30,362 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:15:30,362 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:15:30,362 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:15:30,362 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:15:30,363 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:15:30,363 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:15:30,363 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:15:30,363 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:15:30,363 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:15:30,363 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:15:30,363 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:15:30,364 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:15:30,364 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:15:30,364 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:15:30,364 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:15:30,364 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_69413f4b-9188-4f1a-977e-fb422d72dcdd/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 -> c896360830ff8b0574c029e3cde358b7dc7cde03 [2018-11-18 12:15:30,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:15:30,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:15:30,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:15:30,403 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:15:30,403 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:15:30,404 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_69413f4b-9188-4f1a-977e-fb422d72dcdd/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-11-18 12:15:30,451 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_69413f4b-9188-4f1a-977e-fb422d72dcdd/bin-2019/ukojak/data/21bf96a63/b80500a5ef1e4df99cc15fa7e76e6df4/FLAGb36a1286c [2018-11-18 12:15:30,827 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:15:30,828 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_69413f4b-9188-4f1a-977e-fb422d72dcdd/sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-11-18 12:15:30,837 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_69413f4b-9188-4f1a-977e-fb422d72dcdd/bin-2019/ukojak/data/21bf96a63/b80500a5ef1e4df99cc15fa7e76e6df4/FLAGb36a1286c [2018-11-18 12:15:31,206 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_69413f4b-9188-4f1a-977e-fb422d72dcdd/bin-2019/ukojak/data/21bf96a63/b80500a5ef1e4df99cc15fa7e76e6df4 [2018-11-18 12:15:31,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:15:31,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:15:31,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:15:31,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:15:31,211 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:15:31,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:15:31" (1/1) ... [2018-11-18 12:15:31,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd02f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:31, skipping insertion in model container [2018-11-18 12:15:31,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:15:31" (1/1) ... [2018-11-18 12:15:31,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:15:31,253 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:15:31,484 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:15:31,488 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:15:31,556 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:15:31,569 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:15:31,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:31 WrapperNode [2018-11-18 12:15:31,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:15:31,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:15:31,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:15:31,570 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:15:31,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:31" (1/1) ... [2018-11-18 12:15:31,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:31" (1/1) ... [2018-11-18 12:15:31,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:15:31,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:15:31,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:15:31,682 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:15:31,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:31" (1/1) ... [2018-11-18 12:15:31,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:31" (1/1) ... [2018-11-18 12:15:31,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:31" (1/1) ... [2018-11-18 12:15:31,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:31" (1/1) ... [2018-11-18 12:15:31,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:31" (1/1) ... [2018-11-18 12:15:31,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:31" (1/1) ... [2018-11-18 12:15:31,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:31" (1/1) ... [2018-11-18 12:15:31,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:15:31,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:15:31,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:15:31,724 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:15:31,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_69413f4b-9188-4f1a-977e-fb422d72dcdd/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:15:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:15:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:15:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:15:33,134 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:15:33,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:15:33 BoogieIcfgContainer [2018-11-18 12:15:33,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:15:33,135 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:15:33,135 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:15:33,145 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:15:33,147 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:15:33" (1/1) ... [2018-11-18 12:15:33,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:15:33,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:33,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 12:15:33,193 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 12:15:33,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 12:15:33,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:33,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:33,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:33,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 165 states and 244 transitions. [2018-11-18 12:15:33,894 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 244 transitions. [2018-11-18 12:15:33,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 12:15:33,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:33,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:15:34,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:34,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 249 states and 335 transitions. [2018-11-18 12:15:34,359 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 335 transitions. [2018-11-18 12:15:34,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 12:15:34,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:34,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:34,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 255 states and 341 transitions. [2018-11-18 12:15:34,463 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 341 transitions. [2018-11-18 12:15:34,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 12:15:34,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:34,485 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:34,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:34,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 258 states and 344 transitions. [2018-11-18 12:15:34,508 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 344 transitions. [2018-11-18 12:15:34,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 12:15:34,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:34,534 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:34,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:34,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 260 states and 346 transitions. [2018-11-18 12:15:34,554 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 346 transitions. [2018-11-18 12:15:34,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 12:15:34,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:34,629 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:34,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:34,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 278 states and 372 transitions. [2018-11-18 12:15:34,817 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 372 transitions. [2018-11-18 12:15:34,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 12:15:34,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:35,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:35,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 297 states and 401 transitions. [2018-11-18 12:15:35,408 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 401 transitions. [2018-11-18 12:15:35,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 12:15:35,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:35,455 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:35,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:35,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 301 states and 407 transitions. [2018-11-18 12:15:35,567 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 407 transitions. [2018-11-18 12:15:35,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 12:15:35,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:35,640 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:15:36,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:36,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 325 states and 441 transitions. [2018-11-18 12:15:36,059 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 441 transitions. [2018-11-18 12:15:36,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 12:15:36,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:36,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:36,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 330 states and 450 transitions. [2018-11-18 12:15:36,281 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 450 transitions. [2018-11-18 12:15:36,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 12:15:36,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:36,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:36,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 334 states and 454 transitions. [2018-11-18 12:15:36,413 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 454 transitions. [2018-11-18 12:15:36,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 12:15:36,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:37,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:37,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 358 states and 487 transitions. [2018-11-18 12:15:37,010 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 487 transitions. [2018-11-18 12:15:37,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 12:15:37,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:37,035 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:37,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:37,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 363 states and 493 transitions. [2018-11-18 12:15:37,266 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 493 transitions. [2018-11-18 12:15:37,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 12:15:37,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:37,289 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:37,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:37,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 374 states and 507 transitions. [2018-11-18 12:15:37,552 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 507 transitions. [2018-11-18 12:15:37,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 12:15:37,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:37,705 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:15:38,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:38,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 454 states and 592 transitions. [2018-11-18 12:15:38,215 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 592 transitions. [2018-11-18 12:15:38,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 12:15:38,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:38,237 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:38,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 459 states and 598 transitions. [2018-11-18 12:15:38,408 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 598 transitions. [2018-11-18 12:15:38,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 12:15:38,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:38,465 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:39,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:39,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 482 states and 630 transitions. [2018-11-18 12:15:39,283 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 630 transitions. [2018-11-18 12:15:39,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 12:15:39,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:39,345 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:39,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:39,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 486 states and 634 transitions. [2018-11-18 12:15:39,453 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 634 transitions. [2018-11-18 12:15:39,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 12:15:39,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:39,547 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:39,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:39,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 490 states and 638 transitions. [2018-11-18 12:15:39,695 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 638 transitions. [2018-11-18 12:15:39,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 12:15:39,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:39,759 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:39,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 494 states and 642 transitions. [2018-11-18 12:15:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 642 transitions. [2018-11-18 12:15:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 12:15:39,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:39,884 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:15:40,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:40,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 501 states and 650 transitions. [2018-11-18 12:15:40,190 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 650 transitions. [2018-11-18 12:15:40,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 12:15:40,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:40,212 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:40,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:40,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 507 states and 657 transitions. [2018-11-18 12:15:40,236 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 657 transitions. [2018-11-18 12:15:40,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 12:15:40,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:40,257 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:15:40,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:40,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 510 states and 661 transitions. [2018-11-18 12:15:40,479 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 661 transitions. [2018-11-18 12:15:40,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 12:15:40,480 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:40,505 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:15:40,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:40,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 518 states and 668 transitions. [2018-11-18 12:15:40,693 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 668 transitions. [2018-11-18 12:15:40,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 12:15:40,693 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:15:41,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:41,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 529 states and 686 transitions. [2018-11-18 12:15:41,185 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 686 transitions. [2018-11-18 12:15:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 12:15:41,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:41,223 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:15:41,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:41,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 533 states and 692 transitions. [2018-11-18 12:15:41,379 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 692 transitions. [2018-11-18 12:15:41,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 12:15:41,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:15:41,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:41,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 536 states and 695 transitions. [2018-11-18 12:15:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 695 transitions. [2018-11-18 12:15:41,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 12:15:41,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:41,531 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:15:41,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:41,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 546 states and 709 transitions. [2018-11-18 12:15:41,877 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 709 transitions. [2018-11-18 12:15:41,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 12:15:41,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:41,902 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:15:42,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:42,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 551 states and 715 transitions. [2018-11-18 12:15:42,214 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 715 transitions. [2018-11-18 12:15:42,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 12:15:42,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:42,240 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:42,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:42,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 571 states and 737 transitions. [2018-11-18 12:15:42,472 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 737 transitions. [2018-11-18 12:15:42,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 12:15:42,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:42,493 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:42,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:42,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 573 states and 739 transitions. [2018-11-18 12:15:42,511 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 739 transitions. [2018-11-18 12:15:42,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 12:15:42,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:15:43,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:43,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 587 states and 755 transitions. [2018-11-18 12:15:43,353 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 755 transitions. [2018-11-18 12:15:43,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 12:15:43,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:43,403 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 12:15:43,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:43,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 588 states and 757 transitions. [2018-11-18 12:15:43,558 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 757 transitions. [2018-11-18 12:15:43,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 12:15:43,559 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:43,585 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:15:43,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:43,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 592 states and 760 transitions. [2018-11-18 12:15:43,706 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 760 transitions. [2018-11-18 12:15:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 12:15:43,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:15:45,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:45,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 634 states and 818 transitions. [2018-11-18 12:15:45,511 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 818 transitions. [2018-11-18 12:15:45,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 12:15:45,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:45,552 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:15:45,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:45,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 638 states and 822 transitions. [2018-11-18 12:15:45,778 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 822 transitions. [2018-11-18 12:15:45,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 12:15:45,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:45,805 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:46,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 643 states and 830 transitions. [2018-11-18 12:15:46,102 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 830 transitions. [2018-11-18 12:15:46,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 12:15:46,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:46,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:46,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 647 states and 835 transitions. [2018-11-18 12:15:46,306 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 835 transitions. [2018-11-18 12:15:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 12:15:46,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:15:46,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:46,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 653 states and 840 transitions. [2018-11-18 12:15:46,416 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 840 transitions. [2018-11-18 12:15:46,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 12:15:46,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:46,455 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 12:15:46,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 659 states and 845 transitions. [2018-11-18 12:15:46,558 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 845 transitions. [2018-11-18 12:15:46,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 12:15:46,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:46,575 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 12:15:46,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:46,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 660 states and 845 transitions. [2018-11-18 12:15:46,660 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 845 transitions. [2018-11-18 12:15:46,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 12:15:46,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:46,685 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:47,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:47,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 685 states and 873 transitions. [2018-11-18 12:15:47,194 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 873 transitions. [2018-11-18 12:15:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 12:15:47,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:15:47,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:47,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 690 states and 878 transitions. [2018-11-18 12:15:47,296 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 878 transitions. [2018-11-18 12:15:47,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 12:15:47,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:47,320 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 12:15:47,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:47,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 697 states and 885 transitions. [2018-11-18 12:15:47,419 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 885 transitions. [2018-11-18 12:15:47,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 12:15:47,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:15:47,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:47,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 698 states and 886 transitions. [2018-11-18 12:15:47,449 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 886 transitions. [2018-11-18 12:15:47,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 12:15:47,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:15:48,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:48,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 717 states and 908 transitions. [2018-11-18 12:15:48,089 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 908 transitions. [2018-11-18 12:15:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 12:15:48,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:15:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:48,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 718 states and 909 transitions. [2018-11-18 12:15:48,179 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 909 transitions. [2018-11-18 12:15:48,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 12:15:48,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:48,766 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:51,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:51,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 777 states and 972 transitions. [2018-11-18 12:15:51,238 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 972 transitions. [2018-11-18 12:15:51,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 12:15:51,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:15:51,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 794 states and 989 transitions. [2018-11-18 12:15:51,306 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 989 transitions. [2018-11-18 12:15:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 12:15:51,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:51,352 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:15:51,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 804 states and 999 transitions. [2018-11-18 12:15:51,616 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 999 transitions. [2018-11-18 12:15:51,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 12:15:51,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:52,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:52,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 820 states and 1018 transitions. [2018-11-18 12:15:52,277 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1018 transitions. [2018-11-18 12:15:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 12:15:52,278 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:53,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 832 states and 1034 transitions. [2018-11-18 12:15:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1034 transitions. [2018-11-18 12:15:53,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 12:15:53,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:53,411 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:57,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:57,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 897 states and 1115 transitions. [2018-11-18 12:15:57,028 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1115 transitions. [2018-11-18 12:15:57,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 12:15:57,029 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:57,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 901 states and 1119 transitions. [2018-11-18 12:15:57,288 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1119 transitions. [2018-11-18 12:15:57,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 12:15:57,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:57,327 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:57,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:57,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 905 states and 1123 transitions. [2018-11-18 12:15:57,587 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1123 transitions. [2018-11-18 12:15:57,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 12:15:57,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:57,643 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:57,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:57,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 909 states and 1127 transitions. [2018-11-18 12:15:57,868 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1127 transitions. [2018-11-18 12:15:57,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 12:15:57,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:57,983 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:15:58,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:58,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 911 states and 1129 transitions. [2018-11-18 12:15:58,180 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1129 transitions. [2018-11-18 12:15:58,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 12:15:58,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 12:15:58,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:58,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 912 states and 1129 transitions. [2018-11-18 12:15:58,296 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1129 transitions. [2018-11-18 12:15:58,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 12:15:58,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:58,318 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:58,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:58,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 919 states and 1139 transitions. [2018-11-18 12:15:58,636 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1139 transitions. [2018-11-18 12:15:58,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 12:15:58,637 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:58,777 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:15:59,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:15:59,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 944 states and 1167 transitions. [2018-11-18 12:15:59,337 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1167 transitions. [2018-11-18 12:15:59,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 12:15:59,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:15:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:59,576 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:16:01,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:01,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 981 states and 1208 transitions. [2018-11-18 12:16:01,370 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1208 transitions. [2018-11-18 12:16:01,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 12:16:01,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:01,421 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:16:02,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:02,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1006 states and 1235 transitions. [2018-11-18 12:16:02,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1235 transitions. [2018-11-18 12:16:02,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 12:16:02,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:02,315 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:16:03,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:03,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1013 states and 1242 transitions. [2018-11-18 12:16:03,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1242 transitions. [2018-11-18 12:16:03,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 12:16:03,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:03,076 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:16:04,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:04,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1032 states and 1261 transitions. [2018-11-18 12:16:04,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1261 transitions. [2018-11-18 12:16:04,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 12:16:04,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:04,063 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:16:04,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:04,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1033 states and 1261 transitions. [2018-11-18 12:16:04,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1261 transitions. [2018-11-18 12:16:04,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 12:16:04,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:04,249 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 12:16:04,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:04,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1039 states and 1271 transitions. [2018-11-18 12:16:04,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1271 transitions. [2018-11-18 12:16:04,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 12:16:04,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:04,610 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 12:16:04,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:04,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1041 states and 1273 transitions. [2018-11-18 12:16:04,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1273 transitions. [2018-11-18 12:16:04,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 12:16:04,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:05,163 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 135 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:16:06,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:06,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1061 states and 1299 transitions. [2018-11-18 12:16:06,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1299 transitions. [2018-11-18 12:16:06,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 12:16:06,929 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:06,972 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 135 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:16:07,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:07,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1065 states and 1303 transitions. [2018-11-18 12:16:07,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1303 transitions. [2018-11-18 12:16:07,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 12:16:07,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:07,270 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:16:07,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:07,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1067 states and 1306 transitions. [2018-11-18 12:16:07,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1306 transitions. [2018-11-18 12:16:07,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 12:16:07,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:07,566 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 12:16:07,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:07,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1087 states and 1326 transitions. [2018-11-18 12:16:07,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1326 transitions. [2018-11-18 12:16:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 12:16:07,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:07,930 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:16:07,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:07,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1093 states and 1331 transitions. [2018-11-18 12:16:07,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1331 transitions. [2018-11-18 12:16:07,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 12:16:07,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:16:09,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:09,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1123 states and 1361 transitions. [2018-11-18 12:16:09,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1361 transitions. [2018-11-18 12:16:09,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 12:16:09,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:09,537 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 12:16:09,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1143 states and 1384 transitions. [2018-11-18 12:16:09,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1384 transitions. [2018-11-18 12:16:09,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 12:16:09,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:09,799 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:16:10,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:10,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1148 states and 1389 transitions. [2018-11-18 12:16:10,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1389 transitions. [2018-11-18 12:16:10,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 12:16:10,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:10,296 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:16:11,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1158 states and 1402 transitions. [2018-11-18 12:16:11,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1402 transitions. [2018-11-18 12:16:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 12:16:11,036 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:11,059 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:16:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:11,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1188 states and 1432 transitions. [2018-11-18 12:16:11,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1432 transitions. [2018-11-18 12:16:11,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 12:16:11,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 12:16:11,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:11,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1207 states and 1453 transitions. [2018-11-18 12:16:11,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1453 transitions. [2018-11-18 12:16:11,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 12:16:11,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:11,764 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 12:16:11,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:11,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1213 states and 1461 transitions. [2018-11-18 12:16:11,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1461 transitions. [2018-11-18 12:16:11,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 12:16:11,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:16:12,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:12,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1218 states and 1468 transitions. [2018-11-18 12:16:12,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1468 transitions. [2018-11-18 12:16:12,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 12:16:12,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:12,679 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:16:13,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:13,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1248 states and 1505 transitions. [2018-11-18 12:16:13,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1505 transitions. [2018-11-18 12:16:13,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 12:16:13,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:14,010 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:16:14,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:14,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1249 states and 1507 transitions. [2018-11-18 12:16:14,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1507 transitions. [2018-11-18 12:16:14,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 12:16:14,039 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:16:14,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:14,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1253 states and 1511 transitions. [2018-11-18 12:16:14,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1511 transitions. [2018-11-18 12:16:14,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 12:16:14,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:16:14,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:14,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1257 states and 1515 transitions. [2018-11-18 12:16:14,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1515 transitions. [2018-11-18 12:16:14,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 12:16:14,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:14,774 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 6 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 12:16:15,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:15,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1264 states and 1525 transitions. [2018-11-18 12:16:15,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1525 transitions. [2018-11-18 12:16:15,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 12:16:15,106 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:15,180 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 12:16:16,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:16,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1292 states and 1562 transitions. [2018-11-18 12:16:16,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1562 transitions. [2018-11-18 12:16:16,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 12:16:16,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:16,536 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 12:16:16,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:16,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1298 states and 1569 transitions. [2018-11-18 12:16:16,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1569 transitions. [2018-11-18 12:16:16,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 12:16:16,898 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 12:16:17,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:17,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1302 states and 1573 transitions. [2018-11-18 12:16:17,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1573 transitions. [2018-11-18 12:16:17,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 12:16:17,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 12:16:17,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:17,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1306 states and 1577 transitions. [2018-11-18 12:16:17,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1577 transitions. [2018-11-18 12:16:17,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 12:16:17,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:17,655 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 12:16:17,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:17,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1310 states and 1581 transitions. [2018-11-18 12:16:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1581 transitions. [2018-11-18 12:16:17,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 12:16:17,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:17,946 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:16:18,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:18,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1315 states and 1586 transitions. [2018-11-18 12:16:18,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1586 transitions. [2018-11-18 12:16:18,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 12:16:18,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:18,341 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 12:16:18,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:18,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1321 states and 1591 transitions. [2018-11-18 12:16:18,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1591 transitions. [2018-11-18 12:16:18,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 12:16:18,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:18,590 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:16:19,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:19,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1335 states and 1611 transitions. [2018-11-18 12:16:19,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1611 transitions. [2018-11-18 12:16:19,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 12:16:19,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:19,422 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:16:21,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:21,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1365 states and 1651 transitions. [2018-11-18 12:16:21,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1651 transitions. [2018-11-18 12:16:21,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 12:16:21,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:21,132 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:16:21,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:21,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1378 states and 1667 transitions. [2018-11-18 12:16:21,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1667 transitions. [2018-11-18 12:16:21,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 12:16:21,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 12:16:21,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:21,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1394 states and 1684 transitions. [2018-11-18 12:16:21,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1684 transitions. [2018-11-18 12:16:21,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 12:16:21,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:21,829 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:16:21,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:21,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1406 states and 1696 transitions. [2018-11-18 12:16:21,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1696 transitions. [2018-11-18 12:16:21,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 12:16:21,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:16:22,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:22,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1413 states and 1702 transitions. [2018-11-18 12:16:22,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1702 transitions. [2018-11-18 12:16:22,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 12:16:22,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:22,410 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:16:23,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:23,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1444 states and 1738 transitions. [2018-11-18 12:16:23,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1738 transitions. [2018-11-18 12:16:23,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 12:16:23,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:23,043 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:16:25,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:25,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1494 states and 1792 transitions. [2018-11-18 12:16:25,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1792 transitions. [2018-11-18 12:16:25,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 12:16:25,373 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:25,412 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:16:26,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:26,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1512 states and 1811 transitions. [2018-11-18 12:16:26,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 1811 transitions. [2018-11-18 12:16:26,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 12:16:26,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:16:26,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:26,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1526 states and 1825 transitions. [2018-11-18 12:16:26,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1825 transitions. [2018-11-18 12:16:26,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 12:16:26,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:26,934 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:16:27,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:27,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1533 states and 1831 transitions. [2018-11-18 12:16:27,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1831 transitions. [2018-11-18 12:16:27,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 12:16:27,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:27,623 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-11-18 12:16:27,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:27,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1534 states and 1831 transitions. [2018-11-18 12:16:27,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1831 transitions. [2018-11-18 12:16:27,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 12:16:27,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 12:16:27,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:27,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1551 states and 1848 transitions. [2018-11-18 12:16:27,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1848 transitions. [2018-11-18 12:16:27,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 12:16:27,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:28,007 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 12:16:28,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1559 states and 1856 transitions. [2018-11-18 12:16:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1856 transitions. [2018-11-18 12:16:28,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 12:16:28,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:28,306 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 12:16:28,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:28,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1579 states and 1875 transitions. [2018-11-18 12:16:28,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 1875 transitions. [2018-11-18 12:16:28,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 12:16:28,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:28,533 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 12:16:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:28,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1584 states and 1880 transitions. [2018-11-18 12:16:28,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 1880 transitions. [2018-11-18 12:16:28,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 12:16:28,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:29,133 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-11-18 12:16:31,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:31,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 1733 states and 2041 transitions. [2018-11-18 12:16:31,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2041 transitions. [2018-11-18 12:16:31,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-11-18 12:16:31,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:16:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:16:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2018-11-18 12:16:33,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:16:33,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 1691 states and 2002 transitions. [2018-11-18 12:16:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2002 transitions. [2018-11-18 12:16:33,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:16:33,853 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 111 iterations. [2018-11-18 12:16:33,859 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 12:16:34,788 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 14 [2018-11-18 12:16:35,034 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 14 [2018-11-18 12:16:36,441 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 14 [2018-11-18 12:16:36,652 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 14 [2018-11-18 12:16:36,823 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:16:36,825 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-18 12:16:36,830 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-18 12:16:36,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:16:36 ImpRootNode [2018-11-18 12:16:36,830 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:16:36,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:16:36,831 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:16:36,831 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:16:36,831 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:15:33" (3/4) ... [2018-11-18 12:16:36,834 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:16:36,848 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-11-18 12:16:36,850 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 12:16:36,850 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 12:16:36,851 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:16:36,939 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_69413f4b-9188-4f1a-977e-fb422d72dcdd/bin-2019/ukojak/witness.graphml [2018-11-18 12:16:36,940 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:16:36,940 INFO L168 Benchmark]: Toolchain (without parser) took 65732.30 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 955.8 MB in the beginning and 1.4 GB in the end (delta: -401.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 12:16:36,941 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:16:36,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.07 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 918.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:16:36,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 918.2 MB in the beginning and 1.1 GB in the end (delta: -224.4 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:16:36,942 INFO L168 Benchmark]: Boogie Preprocessor took 41.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:16:36,942 INFO L168 Benchmark]: RCFGBuilder took 1410.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 894.3 MB in the end (delta: 241.7 MB). Peak memory consumption was 241.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:16:36,942 INFO L168 Benchmark]: CodeCheck took 63695.48 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 887.7 MB in the beginning and 1.4 GB in the end (delta: -503.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-18 12:16:36,942 INFO L168 Benchmark]: Witness Printer took 109.07 ms. Allocated memory is still 2.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:16:36,944 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 60.6s OverallTime, 111 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1108475864 SDtfs, 730455122 SDslu, -1545731748 SDs, 0 SdLazy, -1800701074 SolverSat, 259805612 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 216.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109769 GetRequests, 107976 SyntacticMatches, 895 SemanticMatches, 898 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564663 ImplicationChecksByTransitivity, 50.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 17017 NumberOfCodeBlocks, 17017 NumberOfCodeBlocksAsserted, 110 NumberOfCheckSat, 16907 ConstructedInterpolants, 0 QuantifiedInterpolants, 6571394 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 110 InterpolantComputations, 94 PerfectInterpolantSequences, 11019/11203 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: 535]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((!(a11 == 1) || a19 == 1) || !(a28 == 7)) || a17 == 8 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(a11 == 1) || a19 == 1) || !(a28 == 7)) || a17 == 8 * 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 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.07 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 918.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 918.2 MB in the beginning and 1.1 GB in the end (delta: -224.4 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1410.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 894.3 MB in the end (delta: 241.7 MB). Peak memory consumption was 241.7 MB. Max. memory is 11.5 GB. * CodeCheck took 63695.48 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 887.7 MB in the beginning and 1.4 GB in the end (delta: -503.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 109.07 ms. Allocated memory is still 2.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...