./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label09_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_f64ca37f-9ac2-41ff-b4a5-fc0b271b8269/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f64ca37f-9ac2-41ff-b4a5-fc0b271b8269/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f64ca37f-9ac2-41ff-b4a5-fc0b271b8269/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f64ca37f-9ac2-41ff-b4a5-fc0b271b8269/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label09_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f64ca37f-9ac2-41ff-b4a5-fc0b271b8269/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f64ca37f-9ac2-41ff-b4a5-fc0b271b8269/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 31179e70784aebb46d762aef4da1a2ff63bbff38 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 07:43:42,335 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 07:43:42,336 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 07:43:42,342 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 07:43:42,342 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 07:43:42,343 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 07:43:42,343 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 07:43:42,344 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 07:43:42,345 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 07:43:42,345 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 07:43:42,346 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 07:43:42,346 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 07:43:42,346 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 07:43:42,347 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 07:43:42,347 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 07:43:42,348 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 07:43:42,348 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 07:43:42,349 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 07:43:42,350 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 07:43:42,350 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 07:43:42,351 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 07:43:42,351 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 07:43:42,352 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 07:43:42,353 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 07:43:42,353 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 07:43:42,353 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 07:43:42,354 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 07:43:42,354 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 07:43:42,354 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 07:43:42,355 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 07:43:42,355 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 07:43:42,355 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 07:43:42,355 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 07:43:42,355 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 07:43:42,356 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 07:43:42,356 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 07:43:42,356 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f64ca37f-9ac2-41ff-b4a5-fc0b271b8269/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 07:43:42,363 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 07:43:42,363 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 07:43:42,364 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 07:43:42,364 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 07:43:42,364 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 07:43:42,364 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 07:43:42,364 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 07:43:42,364 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 07:43:42,365 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 07:43:42,365 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 07:43:42,365 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 07:43:42,365 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 07:43:42,365 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 07:43:42,365 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 07:43:42,365 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 07:43:42,365 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 07:43:42,365 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 07:43:42,365 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 07:43:42,365 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 07:43:42,366 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 07:43:42,366 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 07:43:42,366 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 07:43:42,366 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 07:43:42,366 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 07:43:42,366 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 07:43:42,366 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 07:43:42,366 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 07:43:42,366 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 07:43:42,366 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 07:43:42,366 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_f64ca37f-9ac2-41ff-b4a5-fc0b271b8269/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 -> 31179e70784aebb46d762aef4da1a2ff63bbff38 [2018-12-02 07:43:42,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 07:43:42,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 07:43:42,391 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 07:43:42,392 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 07:43:42,392 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 07:43:42,392 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f64ca37f-9ac2-41ff-b4a5-fc0b271b8269/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label09_true-unreach-call_false-termination.c [2018-12-02 07:43:42,424 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f64ca37f-9ac2-41ff-b4a5-fc0b271b8269/bin-2019/ukojak/data/58225aee3/7992cb1d548c4a22be559f5364799b85/FLAG6bd15843d [2018-12-02 07:43:42,834 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 07:43:42,834 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f64ca37f-9ac2-41ff-b4a5-fc0b271b8269/sv-benchmarks/c/eca-rers2012/Problem01_label09_true-unreach-call_false-termination.c [2018-12-02 07:43:42,840 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f64ca37f-9ac2-41ff-b4a5-fc0b271b8269/bin-2019/ukojak/data/58225aee3/7992cb1d548c4a22be559f5364799b85/FLAG6bd15843d [2018-12-02 07:43:42,849 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f64ca37f-9ac2-41ff-b4a5-fc0b271b8269/bin-2019/ukojak/data/58225aee3/7992cb1d548c4a22be559f5364799b85 [2018-12-02 07:43:42,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 07:43:42,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 07:43:42,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 07:43:42,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 07:43:42,854 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 07:43:42,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:43:42" (1/1) ... [2018-12-02 07:43:42,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:42, skipping insertion in model container [2018-12-02 07:43:42,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:43:42" (1/1) ... [2018-12-02 07:43:42,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 07:43:42,883 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 07:43:43,053 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:43:43,056 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 07:43:43,157 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:43:43,168 INFO L195 MainTranslator]: Completed translation [2018-12-02 07:43:43,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:43 WrapperNode [2018-12-02 07:43:43,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 07:43:43,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 07:43:43,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 07:43:43,169 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 07:43:43,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:43" (1/1) ... [2018-12-02 07:43:43,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:43" (1/1) ... [2018-12-02 07:43:43,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 07:43:43,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 07:43:43,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 07:43:43,221 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 07:43:43,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:43" (1/1) ... [2018-12-02 07:43:43,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:43" (1/1) ... [2018-12-02 07:43:43,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:43" (1/1) ... [2018-12-02 07:43:43,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:43" (1/1) ... [2018-12-02 07:43:43,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:43" (1/1) ... [2018-12-02 07:43:43,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:43" (1/1) ... [2018-12-02 07:43:43,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:43" (1/1) ... [2018-12-02 07:43:43,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 07:43:43,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 07:43:43,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 07:43:43,263 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 07:43:43,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f64ca37f-9ac2-41ff-b4a5-fc0b271b8269/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 07:43:43,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 07:43:43,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 07:43:44,276 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 07:43:44,276 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 07:43:44,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:43:44 BoogieIcfgContainer [2018-12-02 07:43:44,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 07:43:44,277 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 07:43:44,277 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 07:43:44,286 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 07:43:44,287 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:43:44" (1/1) ... [2018-12-02 07:43:44,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:43:44,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:44,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-02 07:43:44,330 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-02 07:43:44,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 07:43:44,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:44,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:43:44,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:44,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2018-12-02 07:43:44,854 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2018-12-02 07:43:44,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 07:43:44,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:44,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:43:45,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:45,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2018-12-02 07:43:45,010 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2018-12-02 07:43:45,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-02 07:43:45,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:45,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:43:45,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:45,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2018-12-02 07:43:45,129 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2018-12-02 07:43:45,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-02 07:43:45,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:45,169 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 07:43:45,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:45,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 230 states and 325 transitions. [2018-12-02 07:43:45,548 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 325 transitions. [2018-12-02 07:43:45,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 07:43:45,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 07:43:45,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:45,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 252 states and 354 transitions. [2018-12-02 07:43:45,866 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 354 transitions. [2018-12-02 07:43:45,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 07:43:45,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:45,985 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 07:43:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:46,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 262 states and 370 transitions. [2018-12-02 07:43:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 370 transitions. [2018-12-02 07:43:46,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 07:43:46,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:46,381 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 07:43:46,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 267 states and 375 transitions. [2018-12-02 07:43:46,400 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 375 transitions. [2018-12-02 07:43:46,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 07:43:46,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:46,453 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 07:43:46,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:46,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 278 states and 397 transitions. [2018-12-02 07:43:46,948 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 397 transitions. [2018-12-02 07:43:46,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 07:43:46,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:46,967 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 07:43:47,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:47,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 281 states and 402 transitions. [2018-12-02 07:43:47,055 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 402 transitions. [2018-12-02 07:43:47,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 07:43:47,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:47,071 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 07:43:47,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:47,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 283 states and 404 transitions. [2018-12-02 07:43:47,203 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 404 transitions. [2018-12-02 07:43:47,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 07:43:47,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:47,228 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 07:43:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:47,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 286 states and 407 transitions. [2018-12-02 07:43:47,428 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 407 transitions. [2018-12-02 07:43:47,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 07:43:47,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:47,444 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 07:43:47,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:47,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 289 states and 410 transitions. [2018-12-02 07:43:47,555 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 410 transitions. [2018-12-02 07:43:47,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 07:43:47,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 07:43:47,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:47,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 292 states and 413 transitions. [2018-12-02 07:43:47,668 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 413 transitions. [2018-12-02 07:43:47,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-02 07:43:47,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 07:43:47,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:47,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 298 states and 419 transitions. [2018-12-02 07:43:47,720 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 419 transitions. [2018-12-02 07:43:47,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-02 07:43:47,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:47,765 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 07:43:48,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:48,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 307 states and 435 transitions. [2018-12-02 07:43:48,241 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 435 transitions. [2018-12-02 07:43:48,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-02 07:43:48,242 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:48,264 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 07:43:48,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:48,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 310 states and 438 transitions. [2018-12-02 07:43:48,434 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 438 transitions. [2018-12-02 07:43:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-02 07:43:48,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:48,447 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 07:43:48,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:48,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 312 states and 440 transitions. [2018-12-02 07:43:48,464 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 440 transitions. [2018-12-02 07:43:48,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-02 07:43:48,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 07:43:48,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:48,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 317 states and 447 transitions. [2018-12-02 07:43:48,955 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 447 transitions. [2018-12-02 07:43:48,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 07:43:48,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:49,010 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 07:43:49,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:49,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 324 states and 457 transitions. [2018-12-02 07:43:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 457 transitions. [2018-12-02 07:43:49,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 07:43:49,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 07:43:49,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:49,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 327 states and 461 transitions. [2018-12-02 07:43:49,408 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 461 transitions. [2018-12-02 07:43:49,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 07:43:49,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:49,424 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 07:43:49,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:49,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 330 states and 465 transitions. [2018-12-02 07:43:49,540 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 465 transitions. [2018-12-02 07:43:49,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 07:43:49,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:49,567 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 07:43:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:49,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 332 states and 466 transitions. [2018-12-02 07:43:49,713 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 466 transitions. [2018-12-02 07:43:49,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 07:43:49,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 07:43:49,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:49,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 346 states and 480 transitions. [2018-12-02 07:43:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 480 transitions. [2018-12-02 07:43:49,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 07:43:49,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:49,827 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:43:50,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:50,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 391 states and 529 transitions. [2018-12-02 07:43:50,205 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 529 transitions. [2018-12-02 07:43:50,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-02 07:43:50,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:50,228 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 07:43:50,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:50,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 398 states and 538 transitions. [2018-12-02 07:43:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 538 transitions. [2018-12-02 07:43:50,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 07:43:50,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:50,454 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 07:43:50,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:50,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 416 states and 558 transitions. [2018-12-02 07:43:50,796 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 558 transitions. [2018-12-02 07:43:50,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 07:43:50,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:50,990 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 07:43:52,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:52,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 444 states and 600 transitions. [2018-12-02 07:43:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 600 transitions. [2018-12-02 07:43:52,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 07:43:52,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:52,708 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 07:43:52,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:52,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 445 states and 600 transitions. [2018-12-02 07:43:52,873 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 600 transitions. [2018-12-02 07:43:52,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 07:43:52,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:52,902 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 07:43:53,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:53,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 449 states and 603 transitions. [2018-12-02 07:43:53,207 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 603 transitions. [2018-12-02 07:43:53,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-02 07:43:53,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:43:55,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 514 states and 670 transitions. [2018-12-02 07:43:55,538 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 670 transitions. [2018-12-02 07:43:55,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 07:43:55,538 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:55,915 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-12-02 07:43:56,713 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 07:43:59,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:43:59,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 569 states and 730 transitions. [2018-12-02 07:43:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 730 transitions. [2018-12-02 07:43:59,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 07:43:59,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:43:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:43:59,691 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:44:01,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 637 states and 813 transitions. [2018-12-02 07:44:01,568 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 813 transitions. [2018-12-02 07:44:01,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 07:44:01,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:01,638 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:44:02,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:02,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 645 states and 821 transitions. [2018-12-02 07:44:02,187 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 821 transitions. [2018-12-02 07:44:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 07:44:02,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:02,220 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 07:44:02,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:02,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 646 states and 821 transitions. [2018-12-02 07:44:02,239 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 821 transitions. [2018-12-02 07:44:02,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 07:44:02,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:02,391 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:44:04,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:04,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 715 states and 895 transitions. [2018-12-02 07:44:04,027 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 895 transitions. [2018-12-02 07:44:04,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 07:44:04,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:04,212 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 07:44:04,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:04,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 723 states and 908 transitions. [2018-12-02 07:44:04,958 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 908 transitions. [2018-12-02 07:44:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 07:44:04,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:05,047 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 07:44:05,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:05,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 726 states and 911 transitions. [2018-12-02 07:44:05,203 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 911 transitions. [2018-12-02 07:44:05,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 07:44:05,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 07:44:05,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:05,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 729 states and 914 transitions. [2018-12-02 07:44:05,487 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 914 transitions. [2018-12-02 07:44:05,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 07:44:05,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 07:44:06,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:06,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 798 states and 984 transitions. [2018-12-02 07:44:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 984 transitions. [2018-12-02 07:44:06,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-02 07:44:06,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 07:44:08,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:08,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 822 states and 1014 transitions. [2018-12-02 07:44:08,042 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1014 transitions. [2018-12-02 07:44:08,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-02 07:44:08,044 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:08,205 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 07:44:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:08,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 827 states and 1019 transitions. [2018-12-02 07:44:08,550 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1019 transitions. [2018-12-02 07:44:08,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 07:44:08,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-02 07:44:09,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 838 states and 1035 transitions. [2018-12-02 07:44:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1035 transitions. [2018-12-02 07:44:09,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 07:44:09,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:09,272 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-02 07:44:09,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:09,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 840 states and 1038 transitions. [2018-12-02 07:44:09,377 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1038 transitions. [2018-12-02 07:44:09,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 07:44:09,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:09,398 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-02 07:44:09,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:09,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 842 states and 1041 transitions. [2018-12-02 07:44:09,625 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1041 transitions. [2018-12-02 07:44:09,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 07:44:09,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:09,661 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-02 07:44:09,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:09,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 844 states and 1043 transitions. [2018-12-02 07:44:09,714 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1043 transitions. [2018-12-02 07:44:09,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 07:44:09,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:10,275 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:44:12,751 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-12-02 07:44:15,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:15,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 912 states and 1124 transitions. [2018-12-02 07:44:15,675 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1124 transitions. [2018-12-02 07:44:15,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 07:44:15,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:15,778 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:44:16,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:16,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 919 states and 1134 transitions. [2018-12-02 07:44:16,465 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1134 transitions. [2018-12-02 07:44:16,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 07:44:16,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:44:18,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:18,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 933 states and 1149 transitions. [2018-12-02 07:44:18,248 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1149 transitions. [2018-12-02 07:44:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 07:44:18,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:18,563 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 07:44:20,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:20,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 942 states and 1168 transitions. [2018-12-02 07:44:20,373 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1168 transitions. [2018-12-02 07:44:20,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 07:44:20,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:20,401 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 07:44:21,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:21,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 946 states and 1174 transitions. [2018-12-02 07:44:21,525 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1174 transitions. [2018-12-02 07:44:21,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-02 07:44:21,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:21,566 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-02 07:44:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:21,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 949 states and 1178 transitions. [2018-12-02 07:44:21,741 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1178 transitions. [2018-12-02 07:44:21,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-02 07:44:21,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:21,953 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 07:44:25,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 994 states and 1230 transitions. [2018-12-02 07:44:25,191 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1230 transitions. [2018-12-02 07:44:25,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-02 07:44:25,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:25,249 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 07:44:25,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:25,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1000 states and 1237 transitions. [2018-12-02 07:44:25,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1237 transitions. [2018-12-02 07:44:25,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 07:44:25,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:44:28,170 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-02 07:44:35,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:35,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1069 states and 1325 transitions. [2018-12-02 07:44:35,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1325 transitions. [2018-12-02 07:44:35,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 07:44:35,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:36,019 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:44:37,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:37,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1086 states and 1345 transitions. [2018-12-02 07:44:37,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1345 transitions. [2018-12-02 07:44:37,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 07:44:37,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:37,988 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:44:38,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:38,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1088 states and 1347 transitions. [2018-12-02 07:44:38,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1347 transitions. [2018-12-02 07:44:38,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 07:44:38,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:38,509 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:44:38,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:38,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1090 states and 1349 transitions. [2018-12-02 07:44:38,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1349 transitions. [2018-12-02 07:44:38,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-02 07:44:38,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:39,288 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-02 07:44:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:41,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1131 states and 1394 transitions. [2018-12-02 07:44:41,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1394 transitions. [2018-12-02 07:44:41,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-02 07:44:41,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-02 07:44:41,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:41,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1145 states and 1408 transitions. [2018-12-02 07:44:41,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1408 transitions. [2018-12-02 07:44:41,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 07:44:41,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:42,246 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 07:44:43,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:43,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1149 states and 1415 transitions. [2018-12-02 07:44:43,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1415 transitions. [2018-12-02 07:44:43,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 07:44:43,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:44,077 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 07:44:44,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:44,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1152 states and 1419 transitions. [2018-12-02 07:44:44,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1419 transitions. [2018-12-02 07:44:44,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 07:44:44,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:45,083 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-02 07:44:45,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:45,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1222 states and 1492 transitions. [2018-12-02 07:44:45,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1492 transitions. [2018-12-02 07:44:45,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-02 07:44:45,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:45,757 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 07:44:46,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:44:46,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1247 states and 1517 transitions. [2018-12-02 07:44:46,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1517 transitions. [2018-12-02 07:44:46,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-02 07:44:46,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:44:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:44:47,508 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-02 07:44:50,274 WARN L180 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2018-12-02 07:44:55,035 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2018-12-02 07:44:57,324 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2018-12-02 07:44:59,160 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-02 07:45:00,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:45:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1295 states and 1572 transitions. [2018-12-02 07:45:00,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1572 transitions. [2018-12-02 07:45:00,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-02 07:45:00,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:45:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:45:00,751 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-02 07:45:01,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:45:01,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1297 states and 1573 transitions. [2018-12-02 07:45:01,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1573 transitions. [2018-12-02 07:45:01,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 07:45:01,538 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:45:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:45:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-02 07:45:02,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:45:02,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1302 states and 1580 transitions. [2018-12-02 07:45:02,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1580 transitions. [2018-12-02 07:45:02,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-02 07:45:02,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:45:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:45:02,344 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 07:45:05,925 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-12-02 07:45:09,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:45:09,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1322 states and 1606 transitions. [2018-12-02 07:45:09,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1606 transitions. [2018-12-02 07:45:09,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-02 07:45:09,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:45:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:45:09,154 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 07:45:09,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:45:09,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1324 states and 1607 transitions. [2018-12-02 07:45:09,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1607 transitions. [2018-12-02 07:45:09,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-02 07:45:09,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:45:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:45:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 07:45:10,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:45:10,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1394 states and 1680 transitions. [2018-12-02 07:45:10,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1680 transitions. [2018-12-02 07:45:10,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-02 07:45:10,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:45:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:45:10,272 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 07:45:11,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:45:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1402 states and 1689 transitions. [2018-12-02 07:45:11,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1689 transitions. [2018-12-02 07:45:11,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-02 07:45:11,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:45:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:45:11,968 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 07:45:15,558 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-02 07:45:18,305 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2018-12-02 07:45:20,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:45:20,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1432 states and 1732 transitions. [2018-12-02 07:45:20,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1732 transitions. [2018-12-02 07:45:20,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-02 07:45:20,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:45:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:45:20,534 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 07:45:21,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:45:21,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1437 states and 1738 transitions. [2018-12-02 07:45:21,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1738 transitions. [2018-12-02 07:45:21,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-02 07:45:21,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:45:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:45:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 07:45:28,157 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-02 07:45:30,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:45:30,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1472 states and 1776 transitions. [2018-12-02 07:45:30,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1776 transitions. [2018-12-02 07:45:30,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-02 07:45:30,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:45:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:45:30,925 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 07:45:31,832 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-12-02 07:45:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:45:32,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1475 states and 1780 transitions. [2018-12-02 07:45:32,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1780 transitions. [2018-12-02 07:45:32,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-02 07:45:32,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:45:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:45:33,046 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 07:45:33,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:45:33,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1479 states and 1782 transitions. [2018-12-02 07:45:33,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1782 transitions. [2018-12-02 07:45:33,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-12-02 07:45:33,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:45:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:45:33,637 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-02 07:45:34,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:45:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1494 states and 1796 transitions. [2018-12-02 07:45:34,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1796 transitions. [2018-12-02 07:45:34,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-02 07:45:34,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:45:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:45:36,485 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 07:45:47,663 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 07:45:51,711 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2018-12-02 07:45:54,996 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-02 07:45:57,276 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2018-12-02 07:45:58,412 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-02 07:46:02,494 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2018-12-02 07:46:03,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:46:03,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1580 states and 1916 transitions. [2018-12-02 07:46:03,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 1916 transitions. [2018-12-02 07:46:03,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-02 07:46:03,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:46:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:46:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 07:46:14,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:46:14,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1598 states and 1938 transitions. [2018-12-02 07:46:14,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 1938 transitions. [2018-12-02 07:46:14,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-02 07:46:14,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:46:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:46:14,363 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 07:46:20,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:46:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1628 states and 1968 transitions. [2018-12-02 07:46:20,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 1968 transitions. [2018-12-02 07:46:20,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 07:46:20,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:46:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:46:21,057 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 07:46:24,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:46:24,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1646 states and 1991 transitions. [2018-12-02 07:46:24,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 1991 transitions. [2018-12-02 07:46:24,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 07:46:24,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:46:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:46:24,547 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 07:46:25,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:46:25,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1649 states and 1995 transitions. [2018-12-02 07:46:25,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 1995 transitions. [2018-12-02 07:46:25,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-02 07:46:25,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:46:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:46:25,518 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 07:46:31,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:46:31,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 1713 states and 2072 transitions. [2018-12-02 07:46:31,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2072 transitions. [2018-12-02 07:46:31,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-02 07:46:31,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:46:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:46:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 07:46:33,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:46:33,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 1721 states and 2080 transitions. [2018-12-02 07:46:33,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2080 transitions. [2018-12-02 07:46:33,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-02 07:46:33,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:46:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:46:33,442 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 07:46:33,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:46:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 1745 states and 2103 transitions. [2018-12-02 07:46:33,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2103 transitions. [2018-12-02 07:46:33,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-02 07:46:33,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:46:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:46:36,509 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2018-12-02 07:46:36,626 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 07:46:44,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:46:44,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 1775 states and 2136 transitions. [2018-12-02 07:46:44,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2136 transitions. [2018-12-02 07:46:44,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-02 07:46:44,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:46:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:46:44,472 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 07:46:46,111 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2018-12-02 07:46:47,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:46:47,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 1777 states and 2136 transitions. [2018-12-02 07:46:47,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2136 transitions. [2018-12-02 07:46:47,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 07:46:47,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:46:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:46:50,285 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-02 07:46:52,186 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 07:46:54,045 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-02 07:46:55,490 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-02 07:46:57,095 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-12-02 07:47:01,162 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2018-12-02 07:47:06,038 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-02 07:47:08,209 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2018-12-02 07:47:10,448 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2018-12-02 07:47:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:47:19,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1827 states and 2193 transitions. [2018-12-02 07:47:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2193 transitions. [2018-12-02 07:47:19,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 07:47:19,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:47:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:47:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 07:47:21,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:47:21,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 1832 states and 2198 transitions. [2018-12-02 07:47:21,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2198 transitions. [2018-12-02 07:47:21,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 07:47:21,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:47:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:47:25,955 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 07:47:27,361 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-02 07:47:30,245 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2018-12-02 07:47:31,524 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2018-12-02 07:47:35,216 WARN L180 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2018-12-02 07:47:37,603 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2018-12-02 07:47:39,132 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-12-02 07:47:42,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:47:42,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 1880 states and 2246 transitions. [2018-12-02 07:47:42,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2246 transitions. [2018-12-02 07:47:42,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-02 07:47:42,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:47:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:47:43,895 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2018-12-02 07:47:43,997 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 07:47:47,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:47:47,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 1952 states and 2320 transitions. [2018-12-02 07:47:47,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2320 transitions. [2018-12-02 07:47:47,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-02 07:47:47,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:47:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:47:47,595 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 07:47:48,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:47:48,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 1954 states and 2321 transitions. [2018-12-02 07:47:48,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2321 transitions. [2018-12-02 07:47:48,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-02 07:47:48,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:47:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:47:48,868 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-12-02 07:47:51,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:47:51,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 1957 states and 2325 transitions. [2018-12-02 07:47:51,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2325 transitions. [2018-12-02 07:47:51,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-02 07:47:51,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:47:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:47:54,154 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-02 07:47:56,336 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-02 07:47:59,239 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-02 07:47:59,691 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-02 07:48:06,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:48:06,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2011 states and 2388 transitions. [2018-12-02 07:48:06,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2388 transitions. [2018-12-02 07:48:06,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-02 07:48:06,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:48:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:48:06,876 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-02 07:48:08,202 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-02 07:48:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:48:09,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2018 states and 2394 transitions. [2018-12-02 07:48:09,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2018 states and 2394 transitions. [2018-12-02 07:48:09,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 07:48:09,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:48:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:48:10,872 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 07:48:17,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:48:17,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 2030 states and 2408 transitions. [2018-12-02 07:48:17,595 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2408 transitions. [2018-12-02 07:48:17,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 07:48:17,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:48:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:48:17,924 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 07:48:19,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:48:19,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2035 states and 2412 transitions. [2018-12-02 07:48:19,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2412 transitions. [2018-12-02 07:48:19,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 07:48:19,881 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:48:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:48:20,196 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 07:48:20,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:48:20,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2038 states and 2415 transitions. [2018-12-02 07:48:20,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2415 transitions. [2018-12-02 07:48:20,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 07:48:20,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:48:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:48:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 07:48:26,152 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2018-12-02 07:48:31,357 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2018-12-02 07:48:33,334 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-02 07:48:35,700 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-12-02 07:48:37,092 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-02 07:48:38,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:48:38,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2065 states and 2444 transitions. [2018-12-02 07:48:38,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2065 states and 2444 transitions. [2018-12-02 07:48:38,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-02 07:48:38,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:48:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:48:41,156 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-02 07:48:42,399 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-02 07:48:43,281 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2018-12-02 07:48:44,037 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2018-12-02 07:48:45,162 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-02 07:48:47,409 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-02 07:48:48,490 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-02 07:48:49,911 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-02 07:48:51,003 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-02 07:48:52,521 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-02 07:48:54,885 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-02 07:48:57,212 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-02 07:48:58,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:48:58,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2113 states and 2494 transitions. [2018-12-02 07:48:58,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2494 transitions. [2018-12-02 07:48:58,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 07:48:58,572 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:48:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:49:00,129 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2018-12-02 07:49:00,245 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-02 07:49:02,459 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2018-12-02 07:49:03,923 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-02 07:49:06,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:49:06,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2182 states and 2565 transitions. [2018-12-02 07:49:06,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2565 transitions. [2018-12-02 07:49:06,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-02 07:49:06,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:49:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:49:06,854 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-02 07:49:14,527 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-02 07:49:14,985 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2018-12-02 07:49:17,702 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 07:49:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:49:29,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2310 states and 2704 transitions. [2018-12-02 07:49:29,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 2704 transitions. [2018-12-02 07:49:29,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-02 07:49:29,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:49:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:49:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 07:49:36,671 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 07:49:38,084 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-02 07:49:39,988 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 07:49:41,129 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 07:49:43,312 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-02 07:49:43,905 WARN L180 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 07:49:48,348 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-02 07:49:50,136 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2018-12-02 07:49:52,145 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2018-12-02 07:49:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:49:53,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2371 states and 2768 transitions. [2018-12-02 07:49:53,474 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 2768 transitions. [2018-12-02 07:49:53,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-02 07:49:53,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:49:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:49:53,683 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 07:49:55,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:49:55,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2379 states and 2774 transitions. [2018-12-02 07:49:55,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 2774 transitions. [2018-12-02 07:49:55,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-02 07:49:55,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:49:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:49:57,181 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-02 07:49:58,645 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-02 07:50:01,636 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-02 07:50:04,295 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-12-02 07:50:07,854 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-02 07:50:10,931 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-02 07:50:12,177 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-12-02 07:50:12,884 WARN L180 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-02 07:50:16,550 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-12-02 07:50:17,282 WARN L180 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-02 07:50:18,868 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-12-02 07:50:19,431 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-02 07:50:20,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:50:20,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2419 states and 2818 transitions. [2018-12-02 07:50:20,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 2818 transitions. [2018-12-02 07:50:20,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-02 07:50:20,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:50:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:50:20,542 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-02 07:50:21,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:50:21,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2421 states and 2819 transitions. [2018-12-02 07:50:21,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 2819 transitions. [2018-12-02 07:50:21,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-02 07:50:21,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:50:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:50:21,734 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-02 07:50:22,855 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-02 07:50:22,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:50:22,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2427 states and 2824 transitions. [2018-12-02 07:50:22,954 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 2824 transitions. [2018-12-02 07:50:22,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-02 07:50:22,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:50:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:50:25,329 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 291 proven. 319 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-12-02 07:50:29,791 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2018-12-02 07:50:30,072 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2018-12-02 07:50:37,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:50:37,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 2568 states and 2980 transitions. [2018-12-02 07:50:37,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 2980 transitions. [2018-12-02 07:50:37,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 07:50:37,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:50:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:50:37,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-02 07:50:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:50:37,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2572 states and 2984 transitions. [2018-12-02 07:50:37,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 2984 transitions. [2018-12-02 07:50:37,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 07:50:37,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:50:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:50:37,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-02 07:50:42,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:50:42,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 2639 states and 3053 transitions. [2018-12-02 07:50:42,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2639 states and 3053 transitions. [2018-12-02 07:50:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 07:50:42,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:50:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:50:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-02 07:50:52,917 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-02 07:50:54,971 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-02 07:50:57,238 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-12-02 07:51:00,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:51:00,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 2705 states and 3123 transitions. [2018-12-02 07:51:00,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 3123 transitions. [2018-12-02 07:51:00,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 07:51:00,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:51:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:51:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-02 07:51:00,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:51:00,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 2708 states and 3125 transitions. [2018-12-02 07:51:00,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3125 transitions. [2018-12-02 07:51:00,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 07:51:00,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:51:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:51:01,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-02 07:51:01,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:51:01,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 2711 states and 3127 transitions. [2018-12-02 07:51:01,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 3127 transitions. [2018-12-02 07:51:01,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 07:51:01,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:51:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:51:01,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-02 07:51:03,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:51:03,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 2716 states and 3132 transitions. [2018-12-02 07:51:03,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3132 transitions. [2018-12-02 07:51:03,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 07:51:03,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:51:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:51:03,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-02 07:51:14,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:51:14,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 2786 states and 3202 transitions. [2018-12-02 07:51:14,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3202 transitions. [2018-12-02 07:51:14,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 07:51:14,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:51:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:51:15,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-02 07:51:16,990 WARN L180 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2018-12-02 07:51:17,335 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2018-12-02 07:51:18,988 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-02 07:51:23,784 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-02 07:51:24,380 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 32 [2018-12-02 07:51:26,751 WARN L180 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-12-02 07:51:28,571 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-02 07:51:29,388 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-12-02 07:51:31,237 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 30 [2018-12-02 07:51:32,750 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-02 07:51:33,341 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-12-02 07:51:36,639 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-02 07:51:37,409 WARN L180 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-12-02 07:51:41,286 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2018-12-02 07:51:42,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:51:42,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 2826 states and 3247 transitions. [2018-12-02 07:51:42,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 3247 transitions. [2018-12-02 07:51:42,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-02 07:51:42,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:51:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:51:42,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-02 07:51:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:51:43,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2422 states and 2807 transitions. [2018-12-02 07:51:43,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 2807 transitions. [2018-12-02 07:51:43,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 07:51:43,115 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 117 iterations. [2018-12-02 07:51:43,121 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 07:51:43,267 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 39 [2018-12-02 07:51:43,527 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 43 [2018-12-02 07:51:43,633 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 39 [2018-12-02 07:51:43,837 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 44 [2018-12-02 07:51:44,064 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 41 [2018-12-02 07:51:44,324 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 33 [2018-12-02 07:51:44,497 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 43 [2018-12-02 07:51:44,661 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 43 [2018-12-02 07:51:44,856 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 35 [2018-12-02 07:51:44,966 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2018-12-02 07:51:45,098 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2018-12-02 07:51:45,270 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 43 [2018-12-02 07:51:45,375 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 35 [2018-12-02 07:51:45,539 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 43 [2018-12-02 07:51:45,694 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 43 [2018-12-02 07:51:45,999 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2018-12-02 07:51:46,342 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 43 [2018-12-02 07:51:46,447 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 37 [2018-12-02 07:51:46,620 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 41 [2018-12-02 07:51:46,767 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 41 [2018-12-02 07:51:46,874 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 35 [2018-12-02 07:51:46,980 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 39 [2018-12-02 07:51:47,116 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 36 [2018-12-02 07:51:47,246 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 36 [2018-12-02 07:51:47,375 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 35 [2018-12-02 07:51:47,492 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 39 [2018-12-02 07:51:47,599 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2018-12-02 07:51:47,745 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 37 [2018-12-02 07:51:47,877 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 36 [2018-12-02 07:51:47,985 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 35 [2018-12-02 07:51:48,095 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 36 [2018-12-02 07:51:48,257 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 41 [2018-12-02 07:51:48,358 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 35 [2018-12-02 07:51:48,525 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 43 [2018-12-02 07:51:48,731 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 35 [2018-12-02 07:51:48,893 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 41 [2018-12-02 07:51:49,149 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 41 [2018-12-02 07:51:49,336 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 41 [2018-12-02 07:51:49,493 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 35 [2018-12-02 07:51:49,622 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 35 [2018-12-02 07:51:49,796 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2018-12-02 07:51:50,090 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 33 [2018-12-02 07:51:50,217 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 35 [2018-12-02 07:51:50,354 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 39 [2018-12-02 07:51:50,505 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 35 [2018-12-02 07:51:50,674 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 39 [2018-12-02 07:51:50,881 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 39 [2018-12-02 07:51:51,027 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 43 [2018-12-02 07:51:51,501 WARN L180 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 80 [2018-12-02 07:51:51,991 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 43 [2018-12-02 07:51:52,244 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 41 [2018-12-02 07:51:52,400 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 41 [2018-12-02 07:51:52,543 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 39 [2018-12-02 07:51:52,715 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 43 [2018-12-02 07:51:52,725 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 07:51:52,727 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-02 07:51:52,734 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-02 07:51:52,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 07:51:52 ImpRootNode [2018-12-02 07:51:52,736 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 07:51:52,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 07:51:52,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 07:51:52,736 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 07:51:52,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:43:44" (3/4) ... [2018-12-02 07:51:52,740 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 07:51:52,751 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-02 07:51:52,752 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 07:51:52,752 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-02 07:51:52,753 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 07:51:52,825 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f64ca37f-9ac2-41ff-b4a5-fc0b271b8269/bin-2019/ukojak/witness.graphml [2018-12-02 07:51:52,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 07:51:52,825 INFO L168 Benchmark]: Toolchain (without parser) took 489974.41 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 722.5 MB). Free memory was 945.3 MB in the beginning and 1.2 GB in the end (delta: -302.0 MB). Peak memory consumption was 420.5 MB. Max. memory is 11.5 GB. [2018-12-02 07:51:52,826 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:51:52,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-02 07:51:52,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 07:51:52,826 INFO L168 Benchmark]: Boogie Preprocessor took 41.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 07:51:52,826 INFO L168 Benchmark]: RCFGBuilder took 1013.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 884.4 MB in the end (delta: 203.5 MB). Peak memory consumption was 203.5 MB. Max. memory is 11.5 GB. [2018-12-02 07:51:52,826 INFO L168 Benchmark]: CodeCheck took 488458.63 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 606.6 MB). Free memory was 884.4 MB in the beginning and 1.3 GB in the end (delta: -379.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-02 07:51:52,826 INFO L168 Benchmark]: Witness Printer took 88.71 ms. Allocated memory is still 1.8 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2018-12-02 07:51:52,827 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, 198 locations, 1 error locations. SAFE Result, 478.8s OverallTime, 117 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -496019656 SDtfs, 1327834956 SDslu, -15627480 SDs, 0 SdLazy, 2016405716 SolverSat, -666539008 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 572.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 165846 GetRequests, 158685 SyntacticMatches, 5337 SemanticMatches, 1824 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2434946 ImplicationChecksByTransitivity, 445.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 55.8s InterpolantComputationTime, 24927 NumberOfCodeBlocks, 24927 NumberOfCodeBlocksAsserted, 116 NumberOfCheckSat, 24811 ConstructedInterpolants, 0 QuantifiedInterpolants, 44606521 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 116 InterpolantComputations, 84 PerfectInterpolantSequences, 34013/38406 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: 530]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((!(a16 == 5) || !(a7 == 1)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1)) || ((((!(a21 == 1) && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || ((((a8 == 15 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((!(a16 == 5) || ((((a8 == 15 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || !(a7 == 1)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1)) || ((((!(a21 == 1) && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) * 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1013.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 884.4 MB in the end (delta: 203.5 MB). Peak memory consumption was 203.5 MB. Max. memory is 11.5 GB. * CodeCheck took 488458.63 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 606.6 MB). Free memory was 884.4 MB in the beginning and 1.3 GB in the end (delta: -379.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 88.71 ms. Allocated memory is still 1.8 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...