./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6a3dc710-6c65-432e-bef7-22cabb012620/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6a3dc710-6c65-432e-bef7-22cabb012620/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6a3dc710-6c65-432e-bef7-22cabb012620/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6a3dc710-6c65-432e-bef7-22cabb012620/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6a3dc710-6c65-432e-bef7-22cabb012620/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6a3dc710-6c65-432e-bef7-22cabb012620/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 95000caaa926e46a44fd070da2a40a84b9e2d593 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 14:27:04,201 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 14:27:04,202 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 14:27:04,208 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 14:27:04,208 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 14:27:04,208 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 14:27:04,209 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 14:27:04,210 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 14:27:04,211 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 14:27:04,211 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 14:27:04,211 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 14:27:04,212 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 14:27:04,212 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 14:27:04,213 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 14:27:04,213 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 14:27:04,213 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 14:27:04,214 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 14:27:04,215 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 14:27:04,216 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 14:27:04,216 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 14:27:04,217 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 14:27:04,217 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 14:27:04,219 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 14:27:04,219 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 14:27:04,219 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 14:27:04,219 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 14:27:04,220 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 14:27:04,220 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 14:27:04,220 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 14:27:04,221 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 14:27:04,221 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 14:27:04,221 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 14:27:04,222 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 14:27:04,222 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 14:27:04,222 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 14:27:04,223 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 14:27:04,223 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6a3dc710-6c65-432e-bef7-22cabb012620/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 14:27:04,230 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 14:27:04,230 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 14:27:04,230 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 14:27:04,230 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 14:27:04,231 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 14:27:04,231 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 14:27:04,231 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 14:27:04,231 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 14:27:04,231 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 14:27:04,231 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 14:27:04,231 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 14:27:04,232 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 14:27:04,232 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 14:27:04,232 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 14:27:04,232 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 14:27:04,232 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 14:27:04,232 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 14:27:04,232 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 14:27:04,232 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 14:27:04,232 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 14:27:04,232 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 14:27:04,233 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 14:27:04,233 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 14:27:04,233 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 14:27:04,233 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 14:27:04,233 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 14:27:04,233 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 14:27:04,233 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 14:27:04,233 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 14:27:04,233 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_6a3dc710-6c65-432e-bef7-22cabb012620/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 -> 95000caaa926e46a44fd070da2a40a84b9e2d593 [2018-12-01 14:27:04,251 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 14:27:04,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 14:27:04,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 14:27:04,261 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 14:27:04,261 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 14:27:04,261 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6a3dc710-6c65-432e-bef7-22cabb012620/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c [2018-12-01 14:27:04,302 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6a3dc710-6c65-432e-bef7-22cabb012620/bin-2019/ukojak/data/3402fc6e9/e067081a255f48bd9abe6beb19a86a08/FLAGc73e63096 [2018-12-01 14:27:04,735 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 14:27:04,736 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6a3dc710-6c65-432e-bef7-22cabb012620/sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c [2018-12-01 14:27:04,742 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6a3dc710-6c65-432e-bef7-22cabb012620/bin-2019/ukojak/data/3402fc6e9/e067081a255f48bd9abe6beb19a86a08/FLAGc73e63096 [2018-12-01 14:27:04,750 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6a3dc710-6c65-432e-bef7-22cabb012620/bin-2019/ukojak/data/3402fc6e9/e067081a255f48bd9abe6beb19a86a08 [2018-12-01 14:27:04,752 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 14:27:04,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 14:27:04,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 14:27:04,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 14:27:04,755 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 14:27:04,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:27:04" (1/1) ... [2018-12-01 14:27:04,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f792852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:04, skipping insertion in model container [2018-12-01 14:27:04,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:27:04" (1/1) ... [2018-12-01 14:27:04,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 14:27:04,789 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 14:27:04,972 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:27:04,975 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 14:27:05,070 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:27:05,080 INFO L195 MainTranslator]: Completed translation [2018-12-01 14:27:05,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:05 WrapperNode [2018-12-01 14:27:05,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 14:27:05,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 14:27:05,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 14:27:05,081 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 14:27:05,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:05" (1/1) ... [2018-12-01 14:27:05,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:05" (1/1) ... [2018-12-01 14:27:05,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 14:27:05,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 14:27:05,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 14:27:05,121 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 14:27:05,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:05" (1/1) ... [2018-12-01 14:27:05,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:05" (1/1) ... [2018-12-01 14:27:05,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:05" (1/1) ... [2018-12-01 14:27:05,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:05" (1/1) ... [2018-12-01 14:27:05,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:05" (1/1) ... [2018-12-01 14:27:05,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:05" (1/1) ... [2018-12-01 14:27:05,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:05" (1/1) ... [2018-12-01 14:27:05,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 14:27:05,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 14:27:05,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 14:27:05,150 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 14:27:05,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:27:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6a3dc710-6c65-432e-bef7-22cabb012620/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 14:27:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 14:27:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 14:27:06,211 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 14:27:06,211 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 14:27:06,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:27:06 BoogieIcfgContainer [2018-12-01 14:27:06,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 14:27:06,212 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 14:27:06,212 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 14:27:06,223 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 14:27:06,223 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:27:06" (1/1) ... [2018-12-01 14:27:06,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 14:27:06,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:06,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-01 14:27:06,262 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-01 14:27:06,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 14:27:06,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:06,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:06,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:06,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 163 states and 242 transitions. [2018-12-01 14:27:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2018-12-01 14:27:06,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 14:27:06,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:06,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 14:27:07,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:07,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 245 states and 331 transitions. [2018-12-01 14:27:07,205 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 331 transitions. [2018-12-01 14:27:07,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 14:27:07,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:07,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:07,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 251 states and 337 transitions. [2018-12-01 14:27:07,276 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 337 transitions. [2018-12-01 14:27:07,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-01 14:27:07,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:07,291 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:07,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:07,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 254 states and 340 transitions. [2018-12-01 14:27:07,314 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 340 transitions. [2018-12-01 14:27:07,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 14:27:07,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:07,340 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:07,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 256 states and 342 transitions. [2018-12-01 14:27:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 342 transitions. [2018-12-01 14:27:07,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 14:27:07,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:07,403 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:07,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:07,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 273 states and 367 transitions. [2018-12-01 14:27:07,601 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 367 transitions. [2018-12-01 14:27:07,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 14:27:07,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:07,677 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:08,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:08,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 291 states and 395 transitions. [2018-12-01 14:27:08,074 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 395 transitions. [2018-12-01 14:27:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 14:27:08,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:08,120 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:08,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:08,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 294 states and 400 transitions. [2018-12-01 14:27:08,193 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 400 transitions. [2018-12-01 14:27:08,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 14:27:08,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:08,279 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 14:27:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:08,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 316 states and 432 transitions. [2018-12-01 14:27:08,715 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 432 transitions. [2018-12-01 14:27:08,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 14:27:08,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:08,739 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:08,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:08,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 320 states and 438 transitions. [2018-12-01 14:27:08,934 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 438 transitions. [2018-12-01 14:27:08,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 14:27:08,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:08,957 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:09,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:09,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 323 states and 443 transitions. [2018-12-01 14:27:09,068 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 443 transitions. [2018-12-01 14:27:09,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 14:27:09,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:09,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:09,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 327 states and 448 transitions. [2018-12-01 14:27:09,272 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 448 transitions. [2018-12-01 14:27:09,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 14:27:09,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:09,341 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:09,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:09,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 350 states and 480 transitions. [2018-12-01 14:27:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 480 transitions. [2018-12-01 14:27:09,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 14:27:09,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:09,883 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:10,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:10,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 361 states and 494 transitions. [2018-12-01 14:27:10,111 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 494 transitions. [2018-12-01 14:27:10,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 14:27:10,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:10,140 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 14:27:10,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:10,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 440 states and 581 transitions. [2018-12-01 14:27:10,519 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 581 transitions. [2018-12-01 14:27:10,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 14:27:10,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:10,596 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:11,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:11,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 462 states and 612 transitions. [2018-12-01 14:27:11,611 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 612 transitions. [2018-12-01 14:27:11,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 14:27:11,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:11,659 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:11,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:11,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 465 states and 615 transitions. [2018-12-01 14:27:11,757 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 615 transitions. [2018-12-01 14:27:11,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 14:27:11,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:11,794 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:11,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:11,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 468 states and 618 transitions. [2018-12-01 14:27:11,902 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 618 transitions. [2018-12-01 14:27:11,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 14:27:11,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:11,944 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:12,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:12,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 471 states and 621 transitions. [2018-12-01 14:27:12,065 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 621 transitions. [2018-12-01 14:27:12,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 14:27:12,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:12,079 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 14:27:12,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:12,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 478 states and 629 transitions. [2018-12-01 14:27:12,427 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 629 transitions. [2018-12-01 14:27:12,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 14:27:12,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:12,543 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:12,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:12,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 488 states and 643 transitions. [2018-12-01 14:27:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 643 transitions. [2018-12-01 14:27:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 14:27:12,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:12,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:12,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 494 states and 650 transitions. [2018-12-01 14:27:12,947 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 650 transitions. [2018-12-01 14:27:12,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-01 14:27:12,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:12,961 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 14:27:13,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:13,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 497 states and 654 transitions. [2018-12-01 14:27:13,125 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 654 transitions. [2018-12-01 14:27:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-01 14:27:13,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 14:27:13,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:13,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 505 states and 661 transitions. [2018-12-01 14:27:13,247 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 661 transitions. [2018-12-01 14:27:13,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 14:27:13,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:13,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:13,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 511 states and 668 transitions. [2018-12-01 14:27:13,629 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 668 transitions. [2018-12-01 14:27:13,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 14:27:13,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:13,644 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:13,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:13,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 536 states and 697 transitions. [2018-12-01 14:27:13,993 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 697 transitions. [2018-12-01 14:27:13,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 14:27:13,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:14,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:14,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 538 states and 701 transitions. [2018-12-01 14:27:14,121 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 701 transitions. [2018-12-01 14:27:14,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 14:27:14,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:14,145 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:14,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:14,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 551 states and 715 transitions. [2018-12-01 14:27:14,300 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 715 transitions. [2018-12-01 14:27:14,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-01 14:27:14,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:14,595 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:16,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 591 states and 770 transitions. [2018-12-01 14:27:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 770 transitions. [2018-12-01 14:27:16,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-01 14:27:16,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:16,757 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:16,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:16,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 594 states and 773 transitions. [2018-12-01 14:27:16,984 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 773 transitions. [2018-12-01 14:27:16,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 14:27:16,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:16,999 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:17,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:17,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 612 states and 793 transitions. [2018-12-01 14:27:17,112 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 793 transitions. [2018-12-01 14:27:17,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-01 14:27:17,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:17,127 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:17,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:17,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 614 states and 795 transitions. [2018-12-01 14:27:17,141 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 795 transitions. [2018-12-01 14:27:17,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-01 14:27:17,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:17,157 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:17,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 616 states and 797 transitions. [2018-12-01 14:27:17,188 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 797 transitions. [2018-12-01 14:27:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-01 14:27:17,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:17,261 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 14:27:17,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:17,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 629 states and 818 transitions. [2018-12-01 14:27:17,793 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 818 transitions. [2018-12-01 14:27:17,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 14:27:17,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:17,809 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 14:27:17,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:17,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 635 states and 823 transitions. [2018-12-01 14:27:17,907 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 823 transitions. [2018-12-01 14:27:17,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 14:27:17,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:17,925 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 14:27:18,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:18,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 639 states and 829 transitions. [2018-12-01 14:27:18,188 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 829 transitions. [2018-12-01 14:27:18,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 14:27:18,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:18,204 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:18,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 643 states and 836 transitions. [2018-12-01 14:27:18,482 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 836 transitions. [2018-12-01 14:27:18,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 14:27:18,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:18,497 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:18,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:18,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 646 states and 839 transitions. [2018-12-01 14:27:18,638 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 839 transitions. [2018-12-01 14:27:18,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-01 14:27:18,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:18,655 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 14:27:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 647 states and 839 transitions. [2018-12-01 14:27:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 839 transitions. [2018-12-01 14:27:18,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 14:27:18,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 14:27:19,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:19,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 660 states and 852 transitions. [2018-12-01 14:27:19,106 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 852 transitions. [2018-12-01 14:27:19,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-01 14:27:19,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:19,124 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 14:27:19,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:19,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 661 states and 853 transitions. [2018-12-01 14:27:19,134 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 853 transitions. [2018-12-01 14:27:19,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 14:27:19,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:19,228 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:19,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:19,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 663 states and 855 transitions. [2018-12-01 14:27:19,430 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 855 transitions. [2018-12-01 14:27:19,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 14:27:19,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:19,460 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 14:27:20,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:20,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 682 states and 877 transitions. [2018-12-01 14:27:20,181 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 877 transitions. [2018-12-01 14:27:20,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 14:27:20,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 14:27:20,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:20,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 683 states and 878 transitions. [2018-12-01 14:27:20,249 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 878 transitions. [2018-12-01 14:27:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-01 14:27:20,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 14:27:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:20,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 690 states and 885 transitions. [2018-12-01 14:27:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 885 transitions. [2018-12-01 14:27:20,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-01 14:27:20,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:20,413 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 14:27:20,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:20,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 707 states and 902 transitions. [2018-12-01 14:27:20,466 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 902 transitions. [2018-12-01 14:27:20,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-01 14:27:20,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:20,973 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:22,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:22,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 766 states and 965 transitions. [2018-12-01 14:27:22,797 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 965 transitions. [2018-12-01 14:27:22,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 14:27:22,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:22,830 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 14:27:22,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:22,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 768 states and 966 transitions. [2018-12-01 14:27:22,998 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 966 transitions. [2018-12-01 14:27:22,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 14:27:22,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:23,018 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:23,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:23,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 771 states and 970 transitions. [2018-12-01 14:27:23,127 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 970 transitions. [2018-12-01 14:27:23,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 14:27:23,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:23,193 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 14:27:23,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:23,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 773 states and 972 transitions. [2018-12-01 14:27:23,245 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 972 transitions. [2018-12-01 14:27:23,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 14:27:23,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:23,292 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:23,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 788 states and 988 transitions. [2018-12-01 14:27:23,817 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 988 transitions. [2018-12-01 14:27:23,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 14:27:23,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:23,835 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 14:27:23,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:23,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 795 states and 995 transitions. [2018-12-01 14:27:23,861 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 995 transitions. [2018-12-01 14:27:23,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 14:27:23,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:24,193 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:27,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 860 states and 1076 transitions. [2018-12-01 14:27:27,781 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1076 transitions. [2018-12-01 14:27:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 14:27:27,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:27,819 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:28,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:28,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 863 states and 1079 transitions. [2018-12-01 14:27:28,046 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1079 transitions. [2018-12-01 14:27:28,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 14:27:28,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:28,088 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:28,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:28,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 866 states and 1082 transitions. [2018-12-01 14:27:28,322 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1082 transitions. [2018-12-01 14:27:28,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 14:27:28,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:28,378 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:28,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 869 states and 1085 transitions. [2018-12-01 14:27:28,612 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1085 transitions. [2018-12-01 14:27:28,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 14:27:28,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:28,645 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:29,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:29,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 881 states and 1102 transitions. [2018-12-01 14:27:29,340 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1102 transitions. [2018-12-01 14:27:29,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 14:27:29,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:29,703 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:31,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:31,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 900 states and 1129 transitions. [2018-12-01 14:27:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1129 transitions. [2018-12-01 14:27:31,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 14:27:31,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:31,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 903 states and 1132 transitions. [2018-12-01 14:27:31,926 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1132 transitions. [2018-12-01 14:27:31,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 14:27:31,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:31,947 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 14:27:32,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:32,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 922 states and 1151 transitions. [2018-12-01 14:27:32,938 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1151 transitions. [2018-12-01 14:27:32,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 14:27:32,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:32,959 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 14:27:33,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:33,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 923 states and 1151 transitions. [2018-12-01 14:27:33,069 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1151 transitions. [2018-12-01 14:27:33,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 14:27:33,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:33,133 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 14:27:33,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:33,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 935 states and 1162 transitions. [2018-12-01 14:27:33,636 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1162 transitions. [2018-12-01 14:27:33,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-01 14:27:33,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:33,754 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:34,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:34,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 960 states and 1190 transitions. [2018-12-01 14:27:34,374 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1190 transitions. [2018-12-01 14:27:34,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 14:27:34,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:34,647 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:37,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:37,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 997 states and 1233 transitions. [2018-12-01 14:27:37,259 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1233 transitions. [2018-12-01 14:27:37,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 14:27:37,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:37,373 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:37,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:37,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1015 states and 1251 transitions. [2018-12-01 14:27:37,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1251 transitions. [2018-12-01 14:27:37,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 14:27:37,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:38,114 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:39,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:39,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1028 states and 1264 transitions. [2018-12-01 14:27:39,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1264 transitions. [2018-12-01 14:27:39,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 14:27:39,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:39,441 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:41,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:41,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1053 states and 1290 transitions. [2018-12-01 14:27:41,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1290 transitions. [2018-12-01 14:27:41,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 14:27:41,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:41,187 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:27:41,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:41,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1060 states and 1296 transitions. [2018-12-01 14:27:41,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1296 transitions. [2018-12-01 14:27:41,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 14:27:41,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:41,730 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 14:27:41,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1080 states and 1315 transitions. [2018-12-01 14:27:41,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1315 transitions. [2018-12-01 14:27:41,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 14:27:41,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:41,906 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 14:27:42,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:42,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1085 states and 1326 transitions. [2018-12-01 14:27:42,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1326 transitions. [2018-12-01 14:27:42,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 14:27:42,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 14:27:42,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:42,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1089 states and 1330 transitions. [2018-12-01 14:27:42,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1330 transitions. [2018-12-01 14:27:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 14:27:42,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:42,635 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 14:27:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:42,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1091 states and 1333 transitions. [2018-12-01 14:27:42,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1333 transitions. [2018-12-01 14:27:42,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 14:27:42,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:42,979 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 14:27:45,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:45,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1121 states and 1363 transitions. [2018-12-01 14:27:45,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1363 transitions. [2018-12-01 14:27:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 14:27:45,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:45,731 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 114 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 14:27:45,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:45,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1140 states and 1384 transitions. [2018-12-01 14:27:45,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1384 transitions. [2018-12-01 14:27:45,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 14:27:45,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 14:27:46,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:46,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1170 states and 1414 transitions. [2018-12-01 14:27:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1414 transitions. [2018-12-01 14:27:46,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 14:27:46,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:46,180 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 14:27:46,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:46,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1249 states and 1497 transitions. [2018-12-01 14:27:46,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1497 transitions. [2018-12-01 14:27:46,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 14:27:46,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:46,872 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 126 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 14:27:46,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:46,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1261 states and 1509 transitions. [2018-12-01 14:27:46,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1509 transitions. [2018-12-01 14:27:46,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 14:27:46,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:46,984 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 14:27:49,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:49,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1291 states and 1550 transitions. [2018-12-01 14:27:49,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1550 transitions. [2018-12-01 14:27:49,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 14:27:49,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:49,763 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 14:27:50,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:50,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1294 states and 1553 transitions. [2018-12-01 14:27:50,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1553 transitions. [2018-12-01 14:27:50,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 14:27:50,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 14:27:50,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1297 states and 1556 transitions. [2018-12-01 14:27:50,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1556 transitions. [2018-12-01 14:27:50,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 14:27:50,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:50,370 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 14:27:50,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:50,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1302 states and 1564 transitions. [2018-12-01 14:27:50,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1564 transitions. [2018-12-01 14:27:50,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 14:27:50,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:51,393 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 14:27:53,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:53,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1306 states and 1571 transitions. [2018-12-01 14:27:53,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1571 transitions. [2018-12-01 14:27:53,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 14:27:53,644 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:53,793 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 14:27:55,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:55,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1387 states and 1654 transitions. [2018-12-01 14:27:55,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1654 transitions. [2018-12-01 14:27:55,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 14:27:55,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:27:56,070 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 14:27:59,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:27:59,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1391 states and 1662 transitions. [2018-12-01 14:27:59,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1662 transitions. [2018-12-01 14:27:59,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-01 14:27:59,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:27:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:01,379 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 14:28:03,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:03,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1395 states and 1669 transitions. [2018-12-01 14:28:03,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1669 transitions. [2018-12-01 14:28:03,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-01 14:28:03,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:03,095 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:28:03,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:03,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1399 states and 1673 transitions. [2018-12-01 14:28:03,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1673 transitions. [2018-12-01 14:28:03,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-01 14:28:03,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:03,551 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 146 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 14:28:07,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:07,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1453 states and 1736 transitions. [2018-12-01 14:28:07,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1736 transitions. [2018-12-01 14:28:07,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-01 14:28:07,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:07,880 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 146 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 14:28:08,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:08,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1474 states and 1756 transitions. [2018-12-01 14:28:08,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1756 transitions. [2018-12-01 14:28:08,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-01 14:28:08,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:08,885 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-01 14:28:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1475 states and 1757 transitions. [2018-12-01 14:28:09,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1757 transitions. [2018-12-01 14:28:09,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-01 14:28:09,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-01 14:28:15,569 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-01 14:28:16,136 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 14:28:17,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:17,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 1533 states and 1818 transitions. [2018-12-01 14:28:17,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1818 transitions. [2018-12-01 14:28:17,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-01 14:28:17,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:17,481 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-01 14:28:17,804 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2018-12-01 14:28:20,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:20,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1534 states and 1817 transitions. [2018-12-01 14:28:20,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1817 transitions. [2018-12-01 14:28:20,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-01 14:28:20,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:20,131 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-01 14:28:21,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1520 states and 1802 transitions. [2018-12-01 14:28:21,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 1802 transitions. [2018-12-01 14:28:21,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-01 14:28:21,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:21,919 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-12-01 14:28:26,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:26,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1573 states and 1856 transitions. [2018-12-01 14:28:26,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1856 transitions. [2018-12-01 14:28:26,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-01 14:28:26,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:26,436 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-12-01 14:28:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1591 states and 1873 transitions. [2018-12-01 14:28:27,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 1873 transitions. [2018-12-01 14:28:27,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-01 14:28:27,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:27,982 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-12-01 14:28:29,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:29,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1625 states and 1906 transitions. [2018-12-01 14:28:29,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 1906 transitions. [2018-12-01 14:28:29,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-01 14:28:29,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 14:28:34,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:34,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 1767 states and 2064 transitions. [2018-12-01 14:28:34,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2064 transitions. [2018-12-01 14:28:34,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-01 14:28:34,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:35,034 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-12-01 14:28:35,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:35,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 1772 states and 2068 transitions. [2018-12-01 14:28:35,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2068 transitions. [2018-12-01 14:28:35,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-01 14:28:35,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:35,107 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-01 14:28:35,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:35,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 1782 states and 2077 transitions. [2018-12-01 14:28:35,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2077 transitions. [2018-12-01 14:28:35,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 14:28:35,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:36,124 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 250 proven. 28 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:28:43,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:43,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1830 states and 2141 transitions. [2018-12-01 14:28:43,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2141 transitions. [2018-12-01 14:28:43,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 14:28:43,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:43,897 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 250 proven. 28 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:28:44,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:44,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 1836 states and 2150 transitions. [2018-12-01 14:28:44,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2150 transitions. [2018-12-01 14:28:44,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 14:28:44,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:45,066 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 250 proven. 28 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:28:45,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:45,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 1839 states and 2153 transitions. [2018-12-01 14:28:45,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2153 transitions. [2018-12-01 14:28:45,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 14:28:45,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 250 proven. 28 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:28:45,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:45,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1840 states and 2154 transitions. [2018-12-01 14:28:45,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2154 transitions. [2018-12-01 14:28:45,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 14:28:45,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:46,131 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 250 proven. 28 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:28:46,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:46,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1841 states and 2154 transitions. [2018-12-01 14:28:46,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2154 transitions. [2018-12-01 14:28:46,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-01 14:28:46,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:46,558 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-01 14:28:46,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:46,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1845 states and 2158 transitions. [2018-12-01 14:28:46,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2158 transitions. [2018-12-01 14:28:46,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-01 14:28:46,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:46,939 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-01 14:28:47,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:47,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 1849 states and 2163 transitions. [2018-12-01 14:28:47,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2163 transitions. [2018-12-01 14:28:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-01 14:28:47,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:47,886 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:28:49,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:49,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1861 states and 2176 transitions. [2018-12-01 14:28:49,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2176 transitions. [2018-12-01 14:28:49,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-01 14:28:49,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:49,153 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:28:50,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:50,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 1865 states and 2182 transitions. [2018-12-01 14:28:50,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2182 transitions. [2018-12-01 14:28:50,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 14:28:50,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:50,230 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-01 14:28:56,878 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-01 14:28:59,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 1932 states and 2253 transitions. [2018-12-01 14:28:59,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2253 transitions. [2018-12-01 14:28:59,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 14:28:59,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:59,821 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-01 14:29:01,484 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-01 14:29:05,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:29:05,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 1966 states and 2286 transitions. [2018-12-01 14:29:05,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2286 transitions. [2018-12-01 14:29:05,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 14:29:05,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:29:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:29:06,088 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-01 14:29:06,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:29:06,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 1973 states and 2292 transitions. [2018-12-01 14:29:06,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2292 transitions. [2018-12-01 14:29:06,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-01 14:29:06,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:29:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:29:06,910 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-01 14:29:07,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:29:07,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 1977 states and 2300 transitions. [2018-12-01 14:29:07,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2300 transitions. [2018-12-01 14:29:07,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-01 14:29:07,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:29:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:29:07,521 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 264 proven. 42 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:29:09,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:29:09,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 1984 states and 2312 transitions. [2018-12-01 14:29:09,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2312 transitions. [2018-12-01 14:29:09,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-01 14:29:09,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:29:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:29:10,074 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 260 proven. 4 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-01 14:29:10,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:29:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 1988 states and 2316 transitions. [2018-12-01 14:29:10,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2316 transitions. [2018-12-01 14:29:10,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 14:29:10,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:29:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:29:10,355 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 232 proven. 10 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-01 14:29:10,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:29:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 1998 states and 2325 transitions. [2018-12-01 14:29:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1998 states and 2325 transitions. [2018-12-01 14:29:10,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-12-01 14:29:10,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:29:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:29:10,685 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-01 14:29:12,508 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2018-12-01 14:29:14,384 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2018-12-01 14:29:14,774 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2018-12-01 14:29:17,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:29:17,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 2014 states and 2346 transitions. [2018-12-01 14:29:17,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 2346 transitions. [2018-12-01 14:29:17,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-12-01 14:29:17,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:29:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:29:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-01 14:29:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:29:20,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2029 states and 2360 transitions. [2018-12-01 14:29:20,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2029 states and 2360 transitions. [2018-12-01 14:29:20,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-12-01 14:29:20,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:29:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:29:20,607 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-01 14:29:21,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:29:21,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 2031 states and 2361 transitions. [2018-12-01 14:29:21,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2361 transitions. [2018-12-01 14:29:21,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 14:29:21,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:29:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:29:21,294 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-01 14:29:26,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:29:26,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2131 states and 2490 transitions. [2018-12-01 14:29:26,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2490 transitions. [2018-12-01 14:29:26,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 14:29:26,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:29:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:29:26,875 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-01 14:29:27,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:29:27,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2135 states and 2494 transitions. [2018-12-01 14:29:27,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2494 transitions. [2018-12-01 14:29:27,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 14:29:27,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:29:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:29:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-01 14:29:29,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:29:29,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2138 states and 2498 transitions. [2018-12-01 14:29:29,251 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2498 transitions. [2018-12-01 14:29:29,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 14:29:29,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:29:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:29:29,352 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-01 14:29:29,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:29:29,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2139 states and 2498 transitions. [2018-12-01 14:29:29,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2498 transitions. [2018-12-01 14:29:29,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 14:29:29,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:29:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:29:29,896 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-01 14:29:34,146 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-01 14:29:38,383 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2018-12-01 14:29:40,258 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2018-12-01 14:29:42,948 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2018-12-01 14:29:44,452 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2018-12-01 14:29:45,966 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2018-12-01 14:29:46,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:29:46,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2213 states and 2575 transitions. [2018-12-01 14:29:46,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2575 transitions. [2018-12-01 14:29:46,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 14:29:46,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:29:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:29:46,972 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-01 14:29:50,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:29:50,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2248 states and 2609 transitions. [2018-12-01 14:29:50,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2248 states and 2609 transitions. [2018-12-01 14:29:50,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-01 14:29:50,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:29:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:29:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-01 14:29:50,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:29:50,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2249 states and 2609 transitions. [2018-12-01 14:29:50,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 2609 transitions. [2018-12-01 14:29:50,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-01 14:29:50,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:29:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:29:53,163 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 304 proven. 61 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:30:00,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:00,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2288 states and 2656 transitions. [2018-12-01 14:30:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 2656 transitions. [2018-12-01 14:30:00,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-01 14:30:00,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 304 proven. 61 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:30:01,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:01,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2294 states and 2662 transitions. [2018-12-01 14:30:01,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2662 transitions. [2018-12-01 14:30:01,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 14:30:01,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:01,658 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-01 14:30:08,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:08,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2346 states and 2716 transitions. [2018-12-01 14:30:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 2716 transitions. [2018-12-01 14:30:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 14:30:08,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:09,746 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 306 proven. 68 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:30:11,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2733 states to 2362 states and 2733 transitions. [2018-12-01 14:30:11,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2733 transitions. [2018-12-01 14:30:11,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 14:30:11,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:11,275 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-01 14:30:11,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:11,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2364 states and 2734 transitions. [2018-12-01 14:30:11,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 2734 transitions. [2018-12-01 14:30:11,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 14:30:11,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:11,911 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-01 14:30:13,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:13,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2733 states to 2364 states and 2733 transitions. [2018-12-01 14:30:13,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 2733 transitions. [2018-12-01 14:30:13,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 14:30:13,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:13,634 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 306 proven. 68 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:30:13,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:13,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2369 states and 2737 transitions. [2018-12-01 14:30:13,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 2737 transitions. [2018-12-01 14:30:13,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 14:30:13,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-01 14:30:16,029 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2018-12-01 14:30:19,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:19,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2403 states and 2770 transitions. [2018-12-01 14:30:19,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2403 states and 2770 transitions. [2018-12-01 14:30:19,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-01 14:30:19,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:20,177 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-01 14:30:27,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:27,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2455 states and 2841 transitions. [2018-12-01 14:30:27,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2455 states and 2841 transitions. [2018-12-01 14:30:27,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-01 14:30:27,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:27,815 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-01 14:30:30,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:30,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2508 states and 2896 transitions. [2018-12-01 14:30:30,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 2896 transitions. [2018-12-01 14:30:30,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-01 14:30:30,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-01 14:30:39,554 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 14:30:41,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:41,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2561 states and 2967 transitions. [2018-12-01 14:30:41,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 2967 transitions. [2018-12-01 14:30:41,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-01 14:30:41,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:41,800 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-01 14:30:44,274 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-01 14:30:45,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:45,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3015 states to 2609 states and 3015 transitions. [2018-12-01 14:30:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 3015 transitions. [2018-12-01 14:30:45,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-01 14:30:45,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:45,339 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-01 14:30:48,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:48,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 2627 states and 3047 transitions. [2018-12-01 14:30:48,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2627 states and 3047 transitions. [2018-12-01 14:30:48,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-01 14:30:48,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-01 14:30:52,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:52,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 2644 states and 3067 transitions. [2018-12-01 14:30:52,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 3067 transitions. [2018-12-01 14:30:52,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-01 14:30:52,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:52,677 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-01 14:30:55,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 2653 states and 3084 transitions. [2018-12-01 14:30:55,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 3084 transitions. [2018-12-01 14:30:55,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-01 14:30:55,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:55,765 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-01 14:30:56,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:56,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 2658 states and 3090 transitions. [2018-12-01 14:30:56,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 3090 transitions. [2018-12-01 14:30:56,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-01 14:30:56,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-01 14:30:58,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:30:58,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3093 states to 2662 states and 3093 transitions. [2018-12-01 14:30:58,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 3093 transitions. [2018-12-01 14:30:58,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-01 14:30:58,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:30:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:30:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-01 14:31:00,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:00,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 2668 states and 3104 transitions. [2018-12-01 14:31:00,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 3104 transitions. [2018-12-01 14:31:00,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-01 14:31:00,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:01,045 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-01 14:31:01,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:01,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 2672 states and 3108 transitions. [2018-12-01 14:31:01,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3108 transitions. [2018-12-01 14:31:01,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-12-01 14:31:01,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-01 14:31:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:02,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 2714 states and 3151 transitions. [2018-12-01 14:31:02,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3151 transitions. [2018-12-01 14:31:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-01 14:31:02,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 310 proven. 10 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-01 14:31:02,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:02,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3153 states to 2716 states and 3153 transitions. [2018-12-01 14:31:02,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3153 transitions. [2018-12-01 14:31:02,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 14:31:02,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:02,785 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-01 14:31:03,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:03,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 2717 states and 3155 transitions. [2018-12-01 14:31:03,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3155 transitions. [2018-12-01 14:31:03,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 14:31:03,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:03,586 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-01 14:31:04,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:04,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 2720 states and 3159 transitions. [2018-12-01 14:31:04,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 3159 transitions. [2018-12-01 14:31:04,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-01 14:31:04,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:04,300 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-01 14:31:10,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:10,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 2754 states and 3201 transitions. [2018-12-01 14:31:10,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3201 transitions. [2018-12-01 14:31:10,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-01 14:31:10,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:10,742 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-01 14:31:12,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:12,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3221 states to 2774 states and 3221 transitions. [2018-12-01 14:31:12,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3221 transitions. [2018-12-01 14:31:12,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-01 14:31:12,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-01 14:31:13,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:13,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 2780 states and 3229 transitions. [2018-12-01 14:31:13,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 3229 transitions. [2018-12-01 14:31:13,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-01 14:31:13,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:14,135 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-01 14:31:16,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:16,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 2820 states and 3274 transitions. [2018-12-01 14:31:16,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 3274 transitions. [2018-12-01 14:31:16,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-01 14:31:16,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:16,856 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 315 proven. 10 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-01 14:31:17,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 2844 states and 3299 transitions. [2018-12-01 14:31:17,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2844 states and 3299 transitions. [2018-12-01 14:31:17,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-01 14:31:17,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-01 14:31:17,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:17,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 2845 states and 3299 transitions. [2018-12-01 14:31:17,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 3299 transitions. [2018-12-01 14:31:17,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-01 14:31:17,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:17,706 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 317 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-01 14:31:18,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:18,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 2855 states and 3315 transitions. [2018-12-01 14:31:18,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2855 states and 3315 transitions. [2018-12-01 14:31:18,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-01 14:31:18,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 317 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-01 14:31:19,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:19,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 2859 states and 3319 transitions. [2018-12-01 14:31:19,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2859 states and 3319 transitions. [2018-12-01 14:31:19,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-01 14:31:19,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:19,661 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-12-01 14:31:20,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:20,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 2863 states and 3323 transitions. [2018-12-01 14:31:20,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2863 states and 3323 transitions. [2018-12-01 14:31:20,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-01 14:31:20,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:20,706 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-12-01 14:31:21,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:21,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 2867 states and 3327 transitions. [2018-12-01 14:31:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 3327 transitions. [2018-12-01 14:31:21,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-01 14:31:21,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:21,592 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-12-01 14:31:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:22,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3331 states to 2871 states and 3331 transitions. [2018-12-01 14:31:22,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 3331 transitions. [2018-12-01 14:31:22,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-12-01 14:31:22,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:23,423 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 474 proven. 8 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-01 14:31:24,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:24,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3342 states to 2879 states and 3342 transitions. [2018-12-01 14:31:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 3342 transitions. [2018-12-01 14:31:24,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-01 14:31:24,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 328 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-01 14:31:25,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:25,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3346 states to 2883 states and 3346 transitions. [2018-12-01 14:31:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2883 states and 3346 transitions. [2018-12-01 14:31:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 14:31:25,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:31:35,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 2908 states and 3384 transitions. [2018-12-01 14:31:35,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 3384 transitions. [2018-12-01 14:31:35,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 14:31:35,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:31:43,879 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 14:31:47,459 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-12-01 14:31:48,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:48,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 2930 states and 3419 transitions. [2018-12-01 14:31:48,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2930 states and 3419 transitions. [2018-12-01 14:31:48,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 14:31:48,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:49,018 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:31:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:49,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3422 states to 2933 states and 3422 transitions. [2018-12-01 14:31:49,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2933 states and 3422 transitions. [2018-12-01 14:31:49,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 14:31:49,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:49,835 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:31:53,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:53,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 2940 states and 3432 transitions. [2018-12-01 14:31:53,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 3432 transitions. [2018-12-01 14:31:53,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 14:31:53,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:53,418 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:31:56,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 2946 states and 3443 transitions. [2018-12-01 14:31:56,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 3443 transitions. [2018-12-01 14:31:56,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 14:31:56,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:31:58,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:58,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3455 states to 2955 states and 3455 transitions. [2018-12-01 14:31:58,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2955 states and 3455 transitions. [2018-12-01 14:31:58,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 14:31:58,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:58,584 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:31:59,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:31:59,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3456 states to 2957 states and 3456 transitions. [2018-12-01 14:31:59,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2957 states and 3456 transitions. [2018-12-01 14:31:59,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 14:31:59,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:31:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:31:59,763 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 391 proven. 83 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 14:32:00,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:00,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3456 states to 2958 states and 3456 transitions. [2018-12-01 14:32:00,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2958 states and 3456 transitions. [2018-12-01 14:32:00,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-12-01 14:32:00,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:01,420 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 469 proven. 110 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-01 14:32:09,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:09,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 2990 states and 3490 transitions. [2018-12-01 14:32:09,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 3490 transitions. [2018-12-01 14:32:09,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-12-01 14:32:09,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:10,186 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 469 proven. 110 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-01 14:32:10,868 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-01 14:32:13,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:13,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 2999 states and 3498 transitions. [2018-12-01 14:32:13,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2999 states and 3498 transitions. [2018-12-01 14:32:13,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-12-01 14:32:13,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 469 proven. 110 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-01 14:32:17,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:17,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3003 states and 3501 transitions. [2018-12-01 14:32:17,498 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 3501 transitions. [2018-12-01 14:32:17,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-01 14:32:17,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:17,676 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 473 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-01 14:32:18,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:18,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3512 states to 3014 states and 3512 transitions. [2018-12-01 14:32:18,220 INFO L276 IsEmpty]: Start isEmpty. Operand 3014 states and 3512 transitions. [2018-12-01 14:32:18,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-01 14:32:18,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:18,400 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 473 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-01 14:32:18,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:18,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3326 states to 2852 states and 3326 transitions. [2018-12-01 14:32:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3326 transitions. [2018-12-01 14:32:18,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-01 14:32:18,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:19,665 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 78 proven. 365 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-01 14:32:29,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:29,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 2819 states and 3299 transitions. [2018-12-01 14:32:29,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 3299 transitions. [2018-12-01 14:32:29,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 14:32:29,138 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 175 iterations. [2018-12-01 14:32:29,144 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 14:32:29,323 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 48 [2018-12-01 14:32:29,424 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 26 [2018-12-01 14:32:29,676 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-12-01 14:32:29,944 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 48 [2018-12-01 14:32:30,170 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 41 [2018-12-01 14:32:30,659 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-12-01 14:32:30,863 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-12-01 14:32:31,051 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 26 [2018-12-01 14:32:31,228 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 26 [2018-12-01 14:32:31,540 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 26 [2018-12-01 14:32:31,664 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2018-12-01 14:32:31,776 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2018-12-01 14:32:32,063 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 26 [2018-12-01 14:32:32,260 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-12-01 14:32:32,374 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 26 [2018-12-01 14:32:32,487 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 26 [2018-12-01 14:32:33,034 WARN L180 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 59 [2018-12-01 14:32:33,201 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2018-12-01 14:32:33,496 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 45 [2018-12-01 14:32:33,787 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 41 [2018-12-01 14:32:33,962 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 26 [2018-12-01 14:32:34,379 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 54 [2018-12-01 14:32:34,673 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2018-12-01 14:32:34,921 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-12-01 14:32:35,177 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 26 [2018-12-01 14:32:35,320 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 26 [2018-12-01 14:32:35,488 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 26 [2018-12-01 14:32:35,729 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-12-01 14:32:36,233 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 26 [2018-12-01 14:32:36,357 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 26 [2018-12-01 14:32:36,643 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 48 [2018-12-01 14:32:36,770 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 26 [2018-12-01 14:32:37,085 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2018-12-01 14:32:37,316 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 48 [2018-12-01 14:32:37,513 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 26 [2018-12-01 14:32:37,786 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 26 [2018-12-01 14:32:37,937 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 26 [2018-12-01 14:32:38,057 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 26 [2018-12-01 14:32:38,290 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 53 [2018-12-01 14:32:38,509 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 14:32:38,511 INFO L583 CodeCheckObserver]: Invariant with dag size 26 [2018-12-01 14:32:38,516 INFO L583 CodeCheckObserver]: Invariant with dag size 26 [2018-12-01 14:32:38,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:32:38 ImpRootNode [2018-12-01 14:32:38,516 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 14:32:38,517 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 14:32:38,517 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 14:32:38,517 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 14:32:38,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:27:06" (3/4) ... [2018-12-01 14:32:38,519 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 14:32:38,529 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-12-01 14:32:38,530 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-01 14:32:38,530 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-01 14:32:38,531 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 14:32:38,586 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6a3dc710-6c65-432e-bef7-22cabb012620/bin-2019/ukojak/witness.graphml [2018-12-01 14:32:38,586 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 14:32:38,586 INFO L168 Benchmark]: Toolchain (without parser) took 333834.18 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 724.0 MB). Free memory was 950.6 MB in the beginning and 802.6 MB in the end (delta: 148.0 MB). Peak memory consumption was 872.0 MB. Max. memory is 11.5 GB. [2018-12-01 14:32:38,587 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:32:38,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:32:38,587 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.49 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-01 14:32:38,587 INFO L168 Benchmark]: Boogie Preprocessor took 28.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:32:38,587 INFO L168 Benchmark]: RCFGBuilder took 1062.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 873.9 MB in the end (delta: 223.5 MB). Peak memory consumption was 223.5 MB. Max. memory is 11.5 GB. [2018-12-01 14:32:38,587 INFO L168 Benchmark]: CodeCheck took 332304.18 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 601.9 MB). Free memory was 873.9 MB in the beginning and 820.0 MB in the end (delta: 53.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-01 14:32:38,588 INFO L168 Benchmark]: Witness Printer took 69.13 ms. Allocated memory is still 1.8 GB. Free memory was 820.0 MB in the beginning and 802.6 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-12-01 14:32:38,589 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 322.8s OverallTime, 175 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1015013484 SDtfs, -1902239548 SDslu, -1691307148 SDs, 0 SdLazy, 1513862516 SolverSat, -1423521408 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 770.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 239132 GetRequests, 230745 SyntacticMatches, 6599 SemanticMatches, 1788 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2304149 ImplicationChecksByTransitivity, 293.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 20.9s InterpolantComputationTime, 37921 NumberOfCodeBlocks, 37921 NumberOfCodeBlocksAsserted, 174 NumberOfCheckSat, 37747 ConstructedInterpolants, 0 QuantifiedInterpolants, 48359083 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 174 InterpolantComputations, 120 PerfectInterpolantSequences, 42522/44560 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: 547]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((!(a11 == 1) || (!(a28 == 7) && a25 == 1)) || ((!(a28 == 8) && a19 == 1) && !(a17 == 9))) || (a19 == 1 && a25 == 1)) || (!(a19 == 1) && !(a25 == 1)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(a11 == 1) || (!(a28 == 7) && a25 == 1)) || ((!(a28 == 8) && a19 == 1) && !(a17 == 9))) || (a19 == 1 && a25 == 1)) || (!(a19 == 1) && !(a25 == 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 327.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.49 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1062.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 873.9 MB in the end (delta: 223.5 MB). Peak memory consumption was 223.5 MB. Max. memory is 11.5 GB. * CodeCheck took 332304.18 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 601.9 MB). Free memory was 873.9 MB in the beginning and 820.0 MB in the end (delta: 53.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 69.13 ms. Allocated memory is still 1.8 GB. Free memory was 820.0 MB in the beginning and 802.6 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...