./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_83e276a8-b9c1-4c09-b174-784484c06e16/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_83e276a8-b9c1-4c09-b174-784484c06e16/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_83e276a8-b9c1-4c09-b174-784484c06e16/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_83e276a8-b9c1-4c09-b174-784484c06e16/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_83e276a8-b9c1-4c09-b174-784484c06e16/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_83e276a8-b9c1-4c09-b174-784484c06e16/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 cc1563f4697cf21aca476a1aac04fcd8ee81163f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:33:19,207 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:33:19,209 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:33:19,219 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:33:19,219 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:33:19,220 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:33:19,221 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:33:19,222 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:33:19,223 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:33:19,224 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:33:19,225 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:33:19,226 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:33:19,226 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:33:19,227 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:33:19,228 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:33:19,228 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:33:19,230 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:33:19,231 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:33:19,232 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:33:19,234 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:33:19,235 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:33:19,236 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:33:19,238 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:33:19,238 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:33:19,238 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:33:19,239 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:33:19,240 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:33:19,242 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:33:19,242 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:33:19,244 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:33:19,244 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:33:19,245 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:33:19,245 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:33:19,245 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:33:19,246 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:33:19,247 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:33:19,247 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_83e276a8-b9c1-4c09-b174-784484c06e16/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:33:19,261 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:33:19,261 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:33:19,262 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:33:19,262 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:33:19,263 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:33:19,263 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:33:19,263 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:33:19,264 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:33:19,264 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:33:19,264 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:33:19,264 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:33:19,264 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:33:19,266 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:33:19,266 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:33:19,266 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:33:19,266 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:33:19,266 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:33:19,267 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:33:19,267 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:33:19,267 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:33:19,267 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:33:19,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:33:19,268 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:33:19,268 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:33:19,268 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:33:19,268 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:33:19,268 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:33:19,268 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:33:19,268 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_83e276a8-b9c1-4c09-b174-784484c06e16/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 -> cc1563f4697cf21aca476a1aac04fcd8ee81163f [2018-10-26 22:33:19,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:33:19,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:33:19,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:33:19,319 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:33:19,319 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:33:19,321 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_83e276a8-b9c1-4c09-b174-784484c06e16/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c [2018-10-26 22:33:19,366 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83e276a8-b9c1-4c09-b174-784484c06e16/bin-2019/ukojak/data/53fefa016/b6a3309393c146eb84f11e523d786aaa/FLAGd4f65d4b3 [2018-10-26 22:33:19,800 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:33:19,801 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_83e276a8-b9c1-4c09-b174-784484c06e16/sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c [2018-10-26 22:33:19,811 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83e276a8-b9c1-4c09-b174-784484c06e16/bin-2019/ukojak/data/53fefa016/b6a3309393c146eb84f11e523d786aaa/FLAGd4f65d4b3 [2018-10-26 22:33:19,824 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_83e276a8-b9c1-4c09-b174-784484c06e16/bin-2019/ukojak/data/53fefa016/b6a3309393c146eb84f11e523d786aaa [2018-10-26 22:33:19,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:33:19,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:33:19,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:33:19,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:33:19,833 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:33:19,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:33:19" (1/1) ... [2018-10-26 22:33:19,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14956367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:19, skipping insertion in model container [2018-10-26 22:33:19,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:33:19" (1/1) ... [2018-10-26 22:33:19,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:33:19,887 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:33:20,251 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:33:20,266 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:33:20,365 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:33:20,384 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:33:20,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:20 WrapperNode [2018-10-26 22:33:20,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:33:20,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:33:20,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:33:20,388 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:33:20,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:20" (1/1) ... [2018-10-26 22:33:20,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:20" (1/1) ... [2018-10-26 22:33:20,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:33:20,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:33:20,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:33:20,623 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:33:20,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:20" (1/1) ... [2018-10-26 22:33:20,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:20" (1/1) ... [2018-10-26 22:33:20,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:20" (1/1) ... [2018-10-26 22:33:20,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:20" (1/1) ... [2018-10-26 22:33:20,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:20" (1/1) ... [2018-10-26 22:33:20,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:20" (1/1) ... [2018-10-26 22:33:20,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:20" (1/1) ... [2018-10-26 22:33:20,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:33:20,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:33:20,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:33:20,696 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:33:20,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83e276a8-b9c1-4c09-b174-784484c06e16/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 [2018-10-26 22:33:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 22:33:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:33:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:33:25,295 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:33:25,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:33:25 BoogieIcfgContainer [2018-10-26 22:33:25,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:33:25,296 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:33:25,296 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:33:25,306 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:33:25,307 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:33:25" (1/1) ... [2018-10-26 22:33:25,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:25,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-10-26 22:33:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-10-26 22:33:25,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 22:33:25,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:25,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:26,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 147 states and 233 transitions. [2018-10-26 22:33:26,579 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 233 transitions. [2018-10-26 22:33:26,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 22:33:26,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:26,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:27,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 218 states and 307 transitions. [2018-10-26 22:33:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 307 transitions. [2018-10-26 22:33:27,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 22:33:27,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:28,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:28,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 289 states and 382 transitions. [2018-10-26 22:33:28,243 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 382 transitions. [2018-10-26 22:33:28,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 22:33:28,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:28,373 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:28,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 305 states and 402 transitions. [2018-10-26 22:33:28,483 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 402 transitions. [2018-10-26 22:33:28,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 22:33:28,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:33:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:28,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 306 states and 404 transitions. [2018-10-26 22:33:28,711 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 404 transitions. [2018-10-26 22:33:28,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 22:33:28,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:29,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:29,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 327 states and 430 transitions. [2018-10-26 22:33:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 430 transitions. [2018-10-26 22:33:29,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 22:33:29,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:33:29,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:29,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 328 states and 432 transitions. [2018-10-26 22:33:29,678 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 432 transitions. [2018-10-26 22:33:29,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 22:33:29,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:29,766 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:33:29,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 329 states and 434 transitions. [2018-10-26 22:33:29,894 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 434 transitions. [2018-10-26 22:33:29,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-26 22:33:29,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:29,956 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:33:30,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:30,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 334 states and 440 transitions. [2018-10-26 22:33:30,102 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 440 transitions. [2018-10-26 22:33:30,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-26 22:33:30,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:30,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 348 states and 454 transitions. [2018-10-26 22:33:30,517 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 454 transitions. [2018-10-26 22:33:30,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:33:30,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:31,165 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 22:33:31,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:31,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 364 states and 476 transitions. [2018-10-26 22:33:31,754 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 476 transitions. [2018-10-26 22:33:31,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-26 22:33:31,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:33:31,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:31,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 383 states and 495 transitions. [2018-10-26 22:33:31,974 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 495 transitions. [2018-10-26 22:33:31,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:33:31,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 22:33:32,303 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 22:33:32,565 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 22:33:33,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:33,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 397 states and 511 transitions. [2018-10-26 22:33:33,226 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 511 transitions. [2018-10-26 22:33:33,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-26 22:33:33,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:33,622 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:34,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:34,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 438 states and 560 transitions. [2018-10-26 22:33:34,530 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 560 transitions. [2018-10-26 22:33:34,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 22:33:34,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:33:35,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:35,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 448 states and 575 transitions. [2018-10-26 22:33:35,237 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 575 transitions. [2018-10-26 22:33:35,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 22:33:35,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:35,286 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 22:33:35,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:35,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 453 states and 580 transitions. [2018-10-26 22:33:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 580 transitions. [2018-10-26 22:33:35,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 22:33:35,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:35,497 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:33:35,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:35,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 468 states and 600 transitions. [2018-10-26 22:33:35,935 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 600 transitions. [2018-10-26 22:33:35,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 22:33:35,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:36,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 472 states and 604 transitions. [2018-10-26 22:33:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 604 transitions. [2018-10-26 22:33:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 22:33:36,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:36,644 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:33:37,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:37,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 487 states and 622 transitions. [2018-10-26 22:33:37,345 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 622 transitions. [2018-10-26 22:33:37,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 22:33:37,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:37,377 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:33:37,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:37,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 493 states and 629 transitions. [2018-10-26 22:33:37,607 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 629 transitions. [2018-10-26 22:33:37,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 22:33:37,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:33:38,245 WARN L179 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-26 22:33:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 497 states and 635 transitions. [2018-10-26 22:33:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 635 transitions. [2018-10-26 22:33:38,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 22:33:38,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:38,668 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:33:39,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:39,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 508 states and 646 transitions. [2018-10-26 22:33:39,635 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 646 transitions. [2018-10-26 22:33:39,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 22:33:39,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:39,697 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:33:40,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 530 states and 668 transitions. [2018-10-26 22:33:40,195 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 668 transitions. [2018-10-26 22:33:40,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-26 22:33:40,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:41,745 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:33:43,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:43,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 544 states and 685 transitions. [2018-10-26 22:33:43,686 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 685 transitions. [2018-10-26 22:33:43,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-26 22:33:43,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:43,725 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:33:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:44,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 547 states and 689 transitions. [2018-10-26 22:33:44,378 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 689 transitions. [2018-10-26 22:33:44,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 22:33:44,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:44,438 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 22:33:44,579 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 22:33:44,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:44,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 572 states and 718 transitions. [2018-10-26 22:33:44,980 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 718 transitions. [2018-10-26 22:33:44,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 22:33:44,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:45,358 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:33:45,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 586 states and 733 transitions. [2018-10-26 22:33:45,827 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 733 transitions. [2018-10-26 22:33:45,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 22:33:45,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:45,895 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 22:33:45,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:45,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 593 states and 741 transitions. [2018-10-26 22:33:45,984 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 741 transitions. [2018-10-26 22:33:45,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 22:33:45,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:46,026 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 22:33:46,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:46,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 596 states and 745 transitions. [2018-10-26 22:33:46,568 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 745 transitions. [2018-10-26 22:33:46,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 22:33:46,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:46,627 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:33:46,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:46,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 609 states and 760 transitions. [2018-10-26 22:33:46,932 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 760 transitions. [2018-10-26 22:33:46,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 22:33:46,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:49,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:49,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 674 states and 829 transitions. [2018-10-26 22:33:49,075 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 829 transitions. [2018-10-26 22:33:49,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 22:33:49,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:49,259 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 22:33:50,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:50,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 720 states and 893 transitions. [2018-10-26 22:33:50,865 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 893 transitions. [2018-10-26 22:33:50,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 22:33:50,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:51,062 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 22:33:51,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:51,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 732 states and 906 transitions. [2018-10-26 22:33:51,549 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 906 transitions. [2018-10-26 22:33:51,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 22:33:51,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 22:33:52,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:52,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 753 states and 929 transitions. [2018-10-26 22:33:52,032 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 929 transitions. [2018-10-26 22:33:52,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 22:33:52,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:52,332 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 22:33:52,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:52,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 754 states and 929 transitions. [2018-10-26 22:33:52,478 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 929 transitions. [2018-10-26 22:33:52,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 22:33:52,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:52,582 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-26 22:33:52,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 756 states and 937 transitions. [2018-10-26 22:33:52,930 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 937 transitions. [2018-10-26 22:33:52,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-26 22:33:52,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:52,967 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 22:33:53,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:53,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 763 states and 944 transitions. [2018-10-26 22:33:53,055 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 944 transitions. [2018-10-26 22:33:53,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-26 22:33:53,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:53,091 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 22:33:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:53,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 781 states and 967 transitions. [2018-10-26 22:33:53,496 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 967 transitions. [2018-10-26 22:33:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-26 22:33:53,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:53,530 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 22:33:53,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:53,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 783 states and 968 transitions. [2018-10-26 22:33:53,643 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 968 transitions. [2018-10-26 22:33:53,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-26 22:33:53,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 22:33:54,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:54,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 787 states and 971 transitions. [2018-10-26 22:33:54,042 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 971 transitions. [2018-10-26 22:33:54,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 22:33:54,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:54,540 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:55,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:55,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 788 states and 980 transitions. [2018-10-26 22:33:55,115 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 980 transitions. [2018-10-26 22:33:55,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 22:33:55,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:55,219 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:56,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 857 states and 1052 transitions. [2018-10-26 22:33:56,616 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1052 transitions. [2018-10-26 22:33:56,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:33:56,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:56,696 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 22:33:56,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:56,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 858 states and 1052 transitions. [2018-10-26 22:33:56,942 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1052 transitions. [2018-10-26 22:33:56,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 22:33:56,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:57,298 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:58,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:58,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 885 states and 1079 transitions. [2018-10-26 22:33:58,307 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1079 transitions. [2018-10-26 22:33:58,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 22:33:58,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:58,378 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:59,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:33:59,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 888 states and 1082 transitions. [2018-10-26 22:33:59,236 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1082 transitions. [2018-10-26 22:33:59,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 22:33:59,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:33:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:34:00,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:00,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 909 states and 1102 transitions. [2018-10-26 22:34:00,406 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1102 transitions. [2018-10-26 22:34:00,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-26 22:34:00,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:00,726 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-26 22:34:00,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:00,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 915 states and 1108 transitions. [2018-10-26 22:34:00,841 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1108 transitions. [2018-10-26 22:34:00,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 22:34:00,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:01,129 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 104 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:34:01,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 927 states and 1124 transitions. [2018-10-26 22:34:01,864 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1124 transitions. [2018-10-26 22:34:01,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 22:34:01,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:01,908 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:34:01,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:01,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 929 states and 1127 transitions. [2018-10-26 22:34:01,943 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1127 transitions. [2018-10-26 22:34:01,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 22:34:01,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:34:02,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 930 states and 1127 transitions. [2018-10-26 22:34:02,254 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1127 transitions. [2018-10-26 22:34:02,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-26 22:34:02,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:02,320 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:34:02,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:02,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 932 states and 1129 transitions. [2018-10-26 22:34:02,518 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1129 transitions. [2018-10-26 22:34:02,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-26 22:34:02,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 22:34:03,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:03,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 933 states and 1131 transitions. [2018-10-26 22:34:03,069 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1131 transitions. [2018-10-26 22:34:03,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 22:34:03,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:03,124 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-26 22:34:03,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:03,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 956 states and 1154 transitions. [2018-10-26 22:34:03,237 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1154 transitions. [2018-10-26 22:34:03,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 22:34:03,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 27 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 22:34:04,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:04,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 967 states and 1168 transitions. [2018-10-26 22:34:04,566 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1168 transitions. [2018-10-26 22:34:04,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-26 22:34:04,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:04,714 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 22:34:05,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:05,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 988 states and 1194 transitions. [2018-10-26 22:34:05,378 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1194 transitions. [2018-10-26 22:34:05,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-26 22:34:05,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:05,445 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 22:34:06,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:06,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1013 states and 1224 transitions. [2018-10-26 22:34:06,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1224 transitions. [2018-10-26 22:34:06,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-26 22:34:06,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:06,486 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 110 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 22:34:07,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:07,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1032 states and 1246 transitions. [2018-10-26 22:34:07,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1246 transitions. [2018-10-26 22:34:07,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 22:34:07,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 22:34:07,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:07,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1034 states and 1249 transitions. [2018-10-26 22:34:07,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1249 transitions. [2018-10-26 22:34:07,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 22:34:07,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:07,602 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 22:34:07,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:07,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1035 states and 1253 transitions. [2018-10-26 22:34:07,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1253 transitions. [2018-10-26 22:34:07,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 22:34:07,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:07,960 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-26 22:34:09,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:09,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1095 states and 1327 transitions. [2018-10-26 22:34:09,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1327 transitions. [2018-10-26 22:34:09,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 22:34:09,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:09,912 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-26 22:34:10,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:10,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1098 states and 1330 transitions. [2018-10-26 22:34:10,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1330 transitions. [2018-10-26 22:34:10,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 22:34:10,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:10,866 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-26 22:34:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:11,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1119 states and 1351 transitions. [2018-10-26 22:34:11,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1351 transitions. [2018-10-26 22:34:11,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 22:34:11,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:11,495 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-26 22:34:11,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:11,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1120 states and 1351 transitions. [2018-10-26 22:34:11,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1351 transitions. [2018-10-26 22:34:11,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-26 22:34:11,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:11,961 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 127 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-26 22:34:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:13,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1197 states and 1440 transitions. [2018-10-26 22:34:13,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1440 transitions. [2018-10-26 22:34:13,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-26 22:34:13,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:13,500 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-26 22:34:13,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:13,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1202 states and 1445 transitions. [2018-10-26 22:34:13,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1445 transitions. [2018-10-26 22:34:13,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-26 22:34:13,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:13,812 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-26 22:34:14,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:14,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1206 states and 1452 transitions. [2018-10-26 22:34:14,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1452 transitions. [2018-10-26 22:34:14,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:34:14,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:15,082 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 150 proven. 30 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:34:17,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:17,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1253 states and 1508 transitions. [2018-10-26 22:34:17,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1508 transitions. [2018-10-26 22:34:17,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:34:17,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:17,378 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 150 proven. 30 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:34:20,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:20,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1295 states and 1560 transitions. [2018-10-26 22:34:20,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1560 transitions. [2018-10-26 22:34:20,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 22:34:20,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:20,342 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 150 proven. 30 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:34:21,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:21,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1322 states and 1588 transitions. [2018-10-26 22:34:21,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1588 transitions. [2018-10-26 22:34:21,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 22:34:21,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:21,342 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-26 22:34:22,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:22,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1369 states and 1637 transitions. [2018-10-26 22:34:22,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1637 transitions. [2018-10-26 22:34:22,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 22:34:22,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:22,092 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-26 22:34:22,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:22,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1370 states and 1637 transitions. [2018-10-26 22:34:22,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1637 transitions. [2018-10-26 22:34:22,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-26 22:34:22,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:22,535 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 22:34:23,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:23,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1391 states and 1663 transitions. [2018-10-26 22:34:23,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1663 transitions. [2018-10-26 22:34:23,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-26 22:34:23,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:23,390 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 22:34:24,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:24,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1416 states and 1688 transitions. [2018-10-26 22:34:24,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1688 transitions. [2018-10-26 22:34:24,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 22:34:24,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 22:34:26,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:26,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1434 states and 1710 transitions. [2018-10-26 22:34:26,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1710 transitions. [2018-10-26 22:34:26,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-26 22:34:26,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:27,715 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 22:34:31,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:31,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1482 states and 1760 transitions. [2018-10-26 22:34:31,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1760 transitions. [2018-10-26 22:34:31,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-26 22:34:31,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:32,644 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 167 proven. 74 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:34:33,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:33,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1490 states and 1778 transitions. [2018-10-26 22:34:33,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1778 transitions. [2018-10-26 22:34:33,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-26 22:34:33,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:35,378 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:34:37,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1538 states and 1832 transitions. [2018-10-26 22:34:37,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1832 transitions. [2018-10-26 22:34:37,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-26 22:34:37,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:37,719 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 22:34:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:38,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1540 states and 1833 transitions. [2018-10-26 22:34:38,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1833 transitions. [2018-10-26 22:34:38,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-26 22:34:38,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:38,153 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-10-26 22:34:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:38,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1543 states and 1836 transitions. [2018-10-26 22:34:38,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1836 transitions. [2018-10-26 22:34:38,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-26 22:34:38,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:38,663 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-10-26 22:34:39,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:39,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1564 states and 1856 transitions. [2018-10-26 22:34:39,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1856 transitions. [2018-10-26 22:34:39,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-10-26 22:34:39,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:39,127 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-26 22:34:40,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:40,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1581 states and 1882 transitions. [2018-10-26 22:34:40,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1882 transitions. [2018-10-26 22:34:40,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-26 22:34:40,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:40,564 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 167 proven. 5 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-10-26 22:34:40,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:40,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1582 states and 1882 transitions. [2018-10-26 22:34:40,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 1882 transitions. [2018-10-26 22:34:40,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 22:34:40,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:42,399 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:34:45,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:45,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 1642 states and 1942 transitions. [2018-10-26 22:34:45,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 1942 transitions. [2018-10-26 22:34:45,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-26 22:34:45,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:45,642 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 179 proven. 5 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-10-26 22:34:46,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:46,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 1718 states and 2026 transitions. [2018-10-26 22:34:46,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2026 transitions. [2018-10-26 22:34:46,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-26 22:34:46,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:46,970 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 179 proven. 5 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-10-26 22:34:47,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:47,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 1744 states and 2053 transitions. [2018-10-26 22:34:47,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2053 transitions. [2018-10-26 22:34:47,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-26 22:34:47,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:47,555 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 179 proven. 5 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-10-26 22:34:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:47,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 1749 states and 2063 transitions. [2018-10-26 22:34:47,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2063 transitions. [2018-10-26 22:34:47,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-26 22:34:47,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-10-26 22:34:48,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:48,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 1820 states and 2137 transitions. [2018-10-26 22:34:48,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1820 states and 2137 transitions. [2018-10-26 22:34:48,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-26 22:34:48,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:34:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:34:49,081 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 292 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-10-26 22:34:49,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:34:49,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 1752 states and 2068 transitions. [2018-10-26 22:34:49,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2068 transitions. [2018-10-26 22:34:49,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:34:49,310 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 89 iterations. [2018-10-26 22:34:49,326 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:34:49,575 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 14 [2018-10-26 22:34:51,719 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 14 [2018-10-26 22:34:53,335 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 53 [2018-10-26 22:34:53,457 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 14 [2018-10-26 22:34:54,006 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:34:54,008 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-26 22:34:54,014 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-26 22:34:54,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:34:54 ImpRootNode [2018-10-26 22:34:54,015 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:34:54,015 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:34:54,015 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:34:54,016 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:34:54,016 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:33:25" (3/4) ... [2018-10-26 22:34:54,021 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:34:54,039 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-10-26 22:34:54,040 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-26 22:34:54,041 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-10-26 22:34:54,042 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 22:34:54,183 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_83e276a8-b9c1-4c09-b174-784484c06e16/bin-2019/ukojak/witness.graphml [2018-10-26 22:34:54,183 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:34:54,184 INFO L168 Benchmark]: Toolchain (without parser) took 94356.46 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 955.4 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 296.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:34:54,186 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:34:54,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.55 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 924.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:34:54,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 231.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 924.8 MB in the beginning and 1.1 GB in the end (delta: -210.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:34:54,187 INFO L168 Benchmark]: Boogie Preprocessor took 76.35 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:34:54,187 INFO L168 Benchmark]: RCFGBuilder took 4599.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.2 MB in the end (delta: 220.5 MB). Peak memory consumption was 220.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:34:54,187 INFO L168 Benchmark]: CodeCheck took 88719.04 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 906.2 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-10-26 22:34:54,188 INFO L168 Benchmark]: Witness Printer took 168.16 ms. Allocated memory is still 2.4 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:34:54,189 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, 199 locations, 1 error locations. SAFE Result, 83.9s OverallTime, 89 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1184129692 SDtfs, 427952274 SDslu, -2066214552 SDs, 0 SdLazy, -79747566 SolverSat, -675026020 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 422.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91725 GetRequests, 89490 SyntacticMatches, 1421 SemanticMatches, 814 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456147 ImplicationChecksByTransitivity, 67.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 15.9s InterpolantComputationTime, 13707 NumberOfCodeBlocks, 13707 NumberOfCodeBlocksAsserted, 88 NumberOfCheckSat, 13619 ConstructedInterpolants, 0 QuantifiedInterpolants, 9095699 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 88 InterpolantComputations, 74 PerfectInterpolantSequences, 11706/11943 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: 551]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(a8 == 15) || a20 == 1) || !(a7 == 1)) || !(a17 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a20 == 1 || !(a7 == 1)) || !(a17 == 1)) || !(a8 == 15) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 556.55 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 924.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 231.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 924.8 MB in the beginning and 1.1 GB in the end (delta: -210.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.35 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4599.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.2 MB in the end (delta: 220.5 MB). Peak memory consumption was 220.5 MB. Max. memory is 11.5 GB. * CodeCheck took 88719.04 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 906.2 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 168.16 ms. Allocated memory is still 2.4 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...