./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label03_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_441b5401-8b4d-4264-86d1-655bd13561e0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_441b5401-8b4d-4264-86d1-655bd13561e0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_441b5401-8b4d-4264-86d1-655bd13561e0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_441b5401-8b4d-4264-86d1-655bd13561e0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label03_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_441b5401-8b4d-4264-86d1-655bd13561e0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_441b5401-8b4d-4264-86d1-655bd13561e0/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 a91f469417fecfcde25fa5a52b02f071d3462166 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 17:38:40,357 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:38:40,358 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:38:40,364 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:38:40,364 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:38:40,364 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:38:40,365 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:38:40,366 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:38:40,366 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:38:40,367 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:38:40,367 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:38:40,367 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:38:40,368 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:38:40,368 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:38:40,369 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:38:40,369 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:38:40,369 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:38:40,370 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:38:40,371 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:38:40,372 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:38:40,372 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:38:40,373 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:38:40,374 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:38:40,374 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:38:40,374 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:38:40,374 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:38:40,375 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:38:40,375 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:38:40,376 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:38:40,376 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:38:40,376 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:38:40,377 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:38:40,377 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:38:40,377 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:38:40,377 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:38:40,378 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:38:40,378 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_441b5401-8b4d-4264-86d1-655bd13561e0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 17:38:40,385 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:38:40,385 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:38:40,385 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:38:40,386 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 17:38:40,386 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:38:40,386 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:38:40,386 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:38:40,386 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:38:40,386 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:38:40,386 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:38:40,386 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:38:40,387 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:38:40,387 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:38:40,387 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:38:40,387 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:38:40,387 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:38:40,387 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:38:40,387 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:38:40,387 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 17:38:40,387 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 17:38:40,387 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:38:40,387 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:38:40,387 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 17:38:40,388 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:38:40,388 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:38:40,388 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:38:40,388 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 17:38:40,388 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:38:40,388 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:38:40,388 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_441b5401-8b4d-4264-86d1-655bd13561e0/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 -> a91f469417fecfcde25fa5a52b02f071d3462166 [2018-12-01 17:38:40,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:38:40,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:38:40,413 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:38:40,414 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:38:40,414 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:38:40,415 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_441b5401-8b4d-4264-86d1-655bd13561e0/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label03_true-unreach-call_false-termination.c [2018-12-01 17:38:40,450 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_441b5401-8b4d-4264-86d1-655bd13561e0/bin-2019/ukojak/data/be77fb0e4/44a700e34b234854a9e6e12db1540a7c/FLAGad7a0e69f [2018-12-01 17:38:40,886 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:38:40,886 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_441b5401-8b4d-4264-86d1-655bd13561e0/sv-benchmarks/c/eca-rers2012/Problem01_label03_true-unreach-call_false-termination.c [2018-12-01 17:38:40,892 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_441b5401-8b4d-4264-86d1-655bd13561e0/bin-2019/ukojak/data/be77fb0e4/44a700e34b234854a9e6e12db1540a7c/FLAGad7a0e69f [2018-12-01 17:38:40,900 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_441b5401-8b4d-4264-86d1-655bd13561e0/bin-2019/ukojak/data/be77fb0e4/44a700e34b234854a9e6e12db1540a7c [2018-12-01 17:38:40,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:38:40,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:38:40,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:38:40,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:38:40,905 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:38:40,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:38:40" (1/1) ... [2018-12-01 17:38:40,907 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 01.12 05:38:40, skipping insertion in model container [2018-12-01 17:38:40,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:38:40" (1/1) ... [2018-12-01 17:38:40,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:38:40,933 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:38:41,104 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:38:41,107 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:38:41,200 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:38:41,209 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:38:41,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:41 WrapperNode [2018-12-01 17:38:41,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:38:41,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:38:41,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:38:41,210 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:38:41,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:41" (1/1) ... [2018-12-01 17:38:41,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:41" (1/1) ... [2018-12-01 17:38:41,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:38:41,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:38:41,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:38:41,261 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:38:41,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:41" (1/1) ... [2018-12-01 17:38:41,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:41" (1/1) ... [2018-12-01 17:38:41,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:41" (1/1) ... [2018-12-01 17:38:41,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:41" (1/1) ... [2018-12-01 17:38:41,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:41" (1/1) ... [2018-12-01 17:38:41,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:41" (1/1) ... [2018-12-01 17:38:41,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:41" (1/1) ... [2018-12-01 17:38:41,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:38:41,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:38:41,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:38:41,302 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:38:41,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_441b5401-8b4d-4264-86d1-655bd13561e0/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 17:38:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:38:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:38:42,318 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:38:42,318 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 17:38:42,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:38:42 BoogieIcfgContainer [2018-12-01 17:38:42,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:38:42,319 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 17:38:42,319 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 17:38:42,326 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 17:38:42,326 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:38:42" (1/1) ... [2018-12-01 17:38:42,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:38:42,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:42,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-01 17:38:42,356 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-01 17:38:42,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 17:38:42,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:42,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:38:42,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:42,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2018-12-01 17:38:42,830 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2018-12-01 17:38:42,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 17:38:42,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:42,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:38:43,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:43,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2018-12-01 17:38:43,040 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2018-12-01 17:38:43,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 17:38:43,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:43,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:38:43,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:43,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2018-12-01 17:38:43,164 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2018-12-01 17:38:43,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 17:38:43,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:43,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:38:43,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:43,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 224 states and 321 transitions. [2018-12-01 17:38:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 321 transitions. [2018-12-01 17:38:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-01 17:38:43,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:43,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:38:43,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:43,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 234 states and 337 transitions. [2018-12-01 17:38:43,895 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 337 transitions. [2018-12-01 17:38:43,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 17:38:43,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:43,939 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:38:44,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:44,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 245 states and 355 transitions. [2018-12-01 17:38:44,386 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 355 transitions. [2018-12-01 17:38:44,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 17:38:44,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:44,403 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:38:44,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:44,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 247 states and 358 transitions. [2018-12-01 17:38:44,510 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 358 transitions. [2018-12-01 17:38:44,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 17:38:44,510 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:38:44,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:44,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 250 states and 361 transitions. [2018-12-01 17:38:44,617 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 361 transitions. [2018-12-01 17:38:44,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 17:38:44,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:44,632 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:38:44,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 253 states and 364 transitions. [2018-12-01 17:38:44,731 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 364 transitions. [2018-12-01 17:38:44,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 17:38:44,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:44,746 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:38:44,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:44,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 264 states and 377 transitions. [2018-12-01 17:38:44,860 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 377 transitions. [2018-12-01 17:38:44,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 17:38:44,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:44,886 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 17:38:45,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:45,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 270 states and 386 transitions. [2018-12-01 17:38:45,171 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 386 transitions. [2018-12-01 17:38:45,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 17:38:45,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:45,188 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 17:38:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:45,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 273 states and 391 transitions. [2018-12-01 17:38:45,285 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 391 transitions. [2018-12-01 17:38:45,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 17:38:45,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:45,297 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 17:38:45,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:45,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 275 states and 393 transitions. [2018-12-01 17:38:45,314 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 393 transitions. [2018-12-01 17:38:45,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 17:38:45,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:45,356 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:38:45,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:45,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 283 states and 402 transitions. [2018-12-01 17:38:45,471 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 402 transitions. [2018-12-01 17:38:45,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 17:38:45,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:45,573 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 17:38:45,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:45,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 288 states and 409 transitions. [2018-12-01 17:38:45,932 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 409 transitions. [2018-12-01 17:38:45,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-01 17:38:45,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:46,001 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:38:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:46,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 301 states and 431 transitions. [2018-12-01 17:38:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 431 transitions. [2018-12-01 17:38:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-01 17:38:46,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:38:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:46,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 304 states and 434 transitions. [2018-12-01 17:38:46,624 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 434 transitions. [2018-12-01 17:38:46,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-01 17:38:46,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:46,646 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:38:46,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:46,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 309 states and 439 transitions. [2018-12-01 17:38:46,902 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 439 transitions. [2018-12-01 17:38:46,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-01 17:38:46,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:38:47,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:47,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 328 states and 461 transitions. [2018-12-01 17:38:47,268 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 461 transitions. [2018-12-01 17:38:47,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 17:38:47,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:38:47,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 345 states and 481 transitions. [2018-12-01 17:38:47,469 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 481 transitions. [2018-12-01 17:38:47,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 17:38:47,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:47,492 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:38:47,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:47,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 347 states and 482 transitions. [2018-12-01 17:38:47,598 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 482 transitions. [2018-12-01 17:38:47,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 17:38:47,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:38:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:48,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 377 states and 516 transitions. [2018-12-01 17:38:48,164 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 516 transitions. [2018-12-01 17:38:48,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 17:38:48,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:48,228 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 17:38:48,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:48,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 393 states and 532 transitions. [2018-12-01 17:38:48,609 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 532 transitions. [2018-12-01 17:38:48,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-01 17:38:48,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 17:38:49,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:49,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 415 states and 560 transitions. [2018-12-01 17:38:49,954 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 560 transitions. [2018-12-01 17:38:49,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-01 17:38:49,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:50,030 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 17:38:50,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:50,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 420 states and 564 transitions. [2018-12-01 17:38:50,373 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 564 transitions. [2018-12-01 17:38:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 17:38:50,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 17:38:50,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:50,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 428 states and 575 transitions. [2018-12-01 17:38:50,963 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 575 transitions. [2018-12-01 17:38:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 17:38:50,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:50,979 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 17:38:51,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:51,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 429 states and 576 transitions. [2018-12-01 17:38:51,167 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 576 transitions. [2018-12-01 17:38:51,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-01 17:38:51,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 17:38:52,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:52,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 438 states and 591 transitions. [2018-12-01 17:38:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 591 transitions. [2018-12-01 17:38:52,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-01 17:38:52,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:52,633 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 17:38:53,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:53,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 441 states and 596 transitions. [2018-12-01 17:38:53,145 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 596 transitions. [2018-12-01 17:38:53,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-01 17:38:53,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 17:38:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:53,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 457 states and 615 transitions. [2018-12-01 17:38:53,475 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 615 transitions. [2018-12-01 17:38:53,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 17:38:53,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:53,502 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 17:38:53,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:53,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 468 states and 627 transitions. [2018-12-01 17:38:53,540 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 627 transitions. [2018-12-01 17:38:53,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-01 17:38:53,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:53,719 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 17:38:55,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:55,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 510 states and 676 transitions. [2018-12-01 17:38:55,015 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 676 transitions. [2018-12-01 17:38:55,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-01 17:38:55,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 17:38:55,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:55,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 517 states and 682 transitions. [2018-12-01 17:38:55,464 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 682 transitions. [2018-12-01 17:38:55,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 17:38:55,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:55,767 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 89 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:38:57,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:57,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 543 states and 717 transitions. [2018-12-01 17:38:57,193 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 717 transitions. [2018-12-01 17:38:57,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 17:38:57,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:57,243 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 89 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:38:58,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:58,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 550 states and 726 transitions. [2018-12-01 17:38:58,060 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 726 transitions. [2018-12-01 17:38:58,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 17:38:58,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:58,105 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 89 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:38:58,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:58,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 553 states and 730 transitions. [2018-12-01 17:38:58,490 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 730 transitions. [2018-12-01 17:38:58,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-01 17:38:58,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 17:38:59,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:59,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 578 states and 760 transitions. [2018-12-01 17:38:59,018 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 760 transitions. [2018-12-01 17:38:59,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-01 17:38:59,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:59,035 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 17:38:59,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:38:59,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 585 states and 767 transitions. [2018-12-01 17:38:59,062 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 767 transitions. [2018-12-01 17:38:59,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 17:38:59,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:38:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:38:59,857 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:03,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:03,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 619 states and 815 transitions. [2018-12-01 17:39:03,428 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 815 transitions. [2018-12-01 17:39:03,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 17:39:03,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:03,481 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:04,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:04,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 624 states and 820 transitions. [2018-12-01 17:39:04,255 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 820 transitions. [2018-12-01 17:39:04,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-01 17:39:04,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:04,281 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:39:04,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:04,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 640 states and 835 transitions. [2018-12-01 17:39:04,328 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 835 transitions. [2018-12-01 17:39:04,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-01 17:39:04,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:04,346 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:39:04,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:04,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 643 states and 838 transitions. [2018-12-01 17:39:04,571 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 838 transitions. [2018-12-01 17:39:04,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-01 17:39:04,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:05,068 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:06,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 708 states and 905 transitions. [2018-12-01 17:39:06,733 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 905 transitions. [2018-12-01 17:39:06,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 17:39:06,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:07,802 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 17:39:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 763 states and 965 transitions. [2018-12-01 17:39:11,264 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 965 transitions. [2018-12-01 17:39:11,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 17:39:11,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:11,762 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:14,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:14,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 831 states and 1047 transitions. [2018-12-01 17:39:14,953 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1047 transitions. [2018-12-01 17:39:14,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 17:39:14,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:15,011 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:15,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:15,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 835 states and 1051 transitions. [2018-12-01 17:39:15,717 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1051 transitions. [2018-12-01 17:39:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 17:39:15,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:15,763 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:39:15,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:15,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 836 states and 1051 transitions. [2018-12-01 17:39:15,787 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1051 transitions. [2018-12-01 17:39:15,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 17:39:15,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:15,829 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:15,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 875 states and 1090 transitions. [2018-12-01 17:39:15,949 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1090 transitions. [2018-12-01 17:39:15,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-01 17:39:15,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:16,360 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 17:39:17,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:17,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 883 states and 1102 transitions. [2018-12-01 17:39:17,056 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1102 transitions. [2018-12-01 17:39:17,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-01 17:39:17,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 17:39:17,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:17,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 888 states and 1107 transitions. [2018-12-01 17:39:17,746 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1107 transitions. [2018-12-01 17:39:17,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 17:39:17,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:17,946 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 17:39:18,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:18,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 957 states and 1177 transitions. [2018-12-01 17:39:18,566 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1177 transitions. [2018-12-01 17:39:18,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 17:39:18,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:39:19,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:19,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 975 states and 1202 transitions. [2018-12-01 17:39:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1202 transitions. [2018-12-01 17:39:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 17:39:19,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:19,971 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:39:20,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:20,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 977 states and 1204 transitions. [2018-12-01 17:39:20,284 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1204 transitions. [2018-12-01 17:39:20,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 17:39:20,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:20,365 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:39:20,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:20,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 979 states and 1205 transitions. [2018-12-01 17:39:20,655 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1205 transitions. [2018-12-01 17:39:20,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 17:39:20,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 17:39:21,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:21,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 981 states and 1207 transitions. [2018-12-01 17:39:21,107 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1207 transitions. [2018-12-01 17:39:21,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 17:39:21,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:21,139 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 17:39:21,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:21,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 983 states and 1209 transitions. [2018-12-01 17:39:21,198 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1209 transitions. [2018-12-01 17:39:21,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 17:39:21,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:21,229 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:39:21,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:21,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 985 states and 1211 transitions. [2018-12-01 17:39:21,495 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1211 transitions. [2018-12-01 17:39:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 17:39:21,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:21,526 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:39:21,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:21,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 987 states and 1212 transitions. [2018-12-01 17:39:21,837 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1212 transitions. [2018-12-01 17:39:21,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-01 17:39:21,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:21,865 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-01 17:39:22,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:22,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 990 states and 1216 transitions. [2018-12-01 17:39:22,036 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1216 transitions. [2018-12-01 17:39:22,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 17:39:22,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:23,022 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:26,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:26,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1016 states and 1246 transitions. [2018-12-01 17:39:26,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1246 transitions. [2018-12-01 17:39:26,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 17:39:26,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:26,081 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:26,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1019 states and 1250 transitions. [2018-12-01 17:39:26,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1250 transitions. [2018-12-01 17:39:26,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 17:39:26,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:26,501 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:39:30,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:30,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1057 states and 1299 transitions. [2018-12-01 17:39:30,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1299 transitions. [2018-12-01 17:39:30,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 17:39:30,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:30,460 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:39:32,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:32,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1090 states and 1333 transitions. [2018-12-01 17:39:32,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1333 transitions. [2018-12-01 17:39:32,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 17:39:32,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:32,710 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:38,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:38,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1148 states and 1400 transitions. [2018-12-01 17:39:38,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1400 transitions. [2018-12-01 17:39:38,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 17:39:38,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:38,299 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:39,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:39,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1181 states and 1433 transitions. [2018-12-01 17:39:39,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1433 transitions. [2018-12-01 17:39:39,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 17:39:39,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:39,810 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:40,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1205 states and 1460 transitions. [2018-12-01 17:39:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1460 transitions. [2018-12-01 17:39:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 17:39:40,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 186 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:39:42,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:42,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1206 states and 1461 transitions. [2018-12-01 17:39:42,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1461 transitions. [2018-12-01 17:39:42,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 17:39:42,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:42,633 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 186 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:39:42,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:42,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1208 states and 1464 transitions. [2018-12-01 17:39:42,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1464 transitions. [2018-12-01 17:39:42,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 17:39:42,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:42,743 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 186 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:39:43,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:43,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1225 states and 1482 transitions. [2018-12-01 17:39:43,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1482 transitions. [2018-12-01 17:39:43,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 17:39:43,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:43,465 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 186 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:39:43,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:43,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1227 states and 1483 transitions. [2018-12-01 17:39:43,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1483 transitions. [2018-12-01 17:39:43,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 17:39:43,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:52,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:52,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1294 states and 1570 transitions. [2018-12-01 17:39:52,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1570 transitions. [2018-12-01 17:39:52,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 17:39:52,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:53,020 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:55,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:55,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1325 states and 1608 transitions. [2018-12-01 17:39:55,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1608 transitions. [2018-12-01 17:39:55,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 17:39:55,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:57,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:57,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1358 states and 1642 transitions. [2018-12-01 17:39:57,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1642 transitions. [2018-12-01 17:39:57,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 17:39:57,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:57,996 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:58,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:39:58,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1359 states and 1643 transitions. [2018-12-01 17:39:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1643 transitions. [2018-12-01 17:39:58,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 17:39:58,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:39:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:59,563 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:40:04,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:40:04,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1407 states and 1698 transitions. [2018-12-01 17:40:04,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1698 transitions. [2018-12-01 17:40:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 17:40:04,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:40:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:40:04,148 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:40:04,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:40:04,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1409 states and 1698 transitions. [2018-12-01 17:40:04,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1698 transitions. [2018-12-01 17:40:04,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-01 17:40:04,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:40:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:40:05,161 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-01 17:40:06,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:40:06,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1479 states and 1774 transitions. [2018-12-01 17:40:06,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1774 transitions. [2018-12-01 17:40:06,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-01 17:40:06,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:40:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:40:06,991 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 17:40:10,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:40:10,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1483 states and 1781 transitions. [2018-12-01 17:40:10,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1781 transitions. [2018-12-01 17:40:10,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-01 17:40:10,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:40:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:40:10,799 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 17:40:11,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:40:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1486 states and 1785 transitions. [2018-12-01 17:40:11,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1785 transitions. [2018-12-01 17:40:11,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-01 17:40:11,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:40:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:40:11,870 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-01 17:40:12,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:40:12,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1556 states and 1860 transitions. [2018-12-01 17:40:12,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1860 transitions. [2018-12-01 17:40:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-01 17:40:12,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:40:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:40:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 17:40:16,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:40:16,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1626 states and 1936 transitions. [2018-12-01 17:40:16,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1936 transitions. [2018-12-01 17:40:16,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-01 17:40:16,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:40:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:40:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-01 17:40:18,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:40:18,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 1695 states and 2010 transitions. [2018-12-01 17:40:18,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2010 transitions. [2018-12-01 17:40:18,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 17:40:18,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:40:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:40:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:40:40,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:40:40,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1810 states and 2154 transitions. [2018-12-01 17:40:40,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2154 transitions. [2018-12-01 17:40:40,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 17:40:40,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:40:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:40:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:40:43,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:40:43,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 1816 states and 2164 transitions. [2018-12-01 17:40:43,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2164 transitions. [2018-12-01 17:40:43,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 17:40:43,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:40:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:40:43,461 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:40:44,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:40:44,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1824 states and 2174 transitions. [2018-12-01 17:40:44,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2174 transitions. [2018-12-01 17:40:44,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 17:40:44,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:40:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:40:44,724 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:40:45,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:40:45,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1839 states and 2189 transitions. [2018-12-01 17:40:45,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2189 transitions. [2018-12-01 17:40:45,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 17:40:45,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:40:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:40:45,771 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:40:46,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:40:46,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 1841 states and 2190 transitions. [2018-12-01 17:40:46,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2190 transitions. [2018-12-01 17:40:46,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 17:40:46,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:40:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:40:46,453 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:40:46,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:40:46,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1843 states and 2191 transitions. [2018-12-01 17:40:46,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2191 transitions. [2018-12-01 17:40:46,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-01 17:40:46,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:40:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:40:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 189 proven. 11 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2018-12-01 17:40:48,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:40:48,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 1845 states and 2194 transitions. [2018-12-01 17:40:48,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2194 transitions. [2018-12-01 17:40:48,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-01 17:40:48,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:40:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:40:48,898 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 17:41:03,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:41:03,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 1969 states and 2338 transitions. [2018-12-01 17:41:03,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2338 transitions. [2018-12-01 17:41:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 17:41:03,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:41:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:41:05,434 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-01 17:41:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:41:11,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2012 states and 2384 transitions. [2018-12-01 17:41:11,824 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2384 transitions. [2018-12-01 17:41:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 17:41:11,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:41:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:41:12,160 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-01 17:41:12,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:41:12,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2012 states and 2383 transitions. [2018-12-01 17:41:12,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2383 transitions. [2018-12-01 17:41:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-01 17:41:12,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:41:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:41:14,608 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 17:41:24,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:41:24,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2060 states and 2433 transitions. [2018-12-01 17:41:24,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2433 transitions. [2018-12-01 17:41:24,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 17:41:24,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:41:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:41:26,693 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 17:41:36,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:41:36,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2107 states and 2486 transitions. [2018-12-01 17:41:36,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2486 transitions. [2018-12-01 17:41:36,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 17:41:36,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:41:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:41:36,448 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 17:41:39,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:41:39,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2116 states and 2495 transitions. [2018-12-01 17:41:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2495 transitions. [2018-12-01 17:41:39,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 17:41:39,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:41:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:41:39,673 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 17:41:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:41:42,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 2125 states and 2503 transitions. [2018-12-01 17:41:42,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2503 transitions. [2018-12-01 17:41:42,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 17:41:42,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:41:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:41:42,709 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 17:41:43,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:41:43,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2130 states and 2507 transitions. [2018-12-01 17:41:43,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2507 transitions. [2018-12-01 17:41:43,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 17:41:43,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:41:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:41:43,637 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 17:41:47,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:41:47,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2149 states and 2525 transitions. [2018-12-01 17:41:47,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2525 transitions. [2018-12-01 17:41:47,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-01 17:41:47,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:41:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:41:48,424 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:41:54,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:41:54,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2226 states and 2607 transitions. [2018-12-01 17:41:54,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2607 transitions. [2018-12-01 17:41:54,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 17:41:54,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:41:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:41:54,350 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 17:41:55,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:41:55,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 2228 states and 2608 transitions. [2018-12-01 17:41:55,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2608 transitions. [2018-12-01 17:41:55,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 17:41:55,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:41:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:41:58,694 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 17:42:09,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:42:09,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2284 states and 2667 transitions. [2018-12-01 17:42:09,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 2667 transitions. [2018-12-01 17:42:09,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 17:42:09,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:42:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:42:09,229 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 17:42:09,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:42:09,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2292 states and 2674 transitions. [2018-12-01 17:42:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 2674 transitions. [2018-12-01 17:42:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 17:42:09,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:42:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:42:10,644 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:42:12,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:42:12,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2296 states and 2680 transitions. [2018-12-01 17:42:12,815 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 2680 transitions. [2018-12-01 17:42:12,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 17:42:12,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:42:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:42:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:42:14,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:42:14,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2299 states and 2683 transitions. [2018-12-01 17:42:14,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 2683 transitions. [2018-12-01 17:42:14,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 17:42:14,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:42:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:42:15,099 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-01 17:42:22,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:42:22,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2319 states and 2704 transitions. [2018-12-01 17:42:22,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 2704 transitions. [2018-12-01 17:42:22,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 17:42:22,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:42:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:42:22,406 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-01 17:42:26,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:42:26,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2338 states and 2723 transitions. [2018-12-01 17:42:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 2723 transitions. [2018-12-01 17:42:26,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 17:42:26,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:42:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:42:27,181 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-01 17:42:27,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:42:27,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2340 states and 2724 transitions. [2018-12-01 17:42:27,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 2724 transitions. [2018-12-01 17:42:27,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 17:42:27,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:42:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:42:32,192 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 17:42:35,610 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-01 17:42:36,642 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 17:42:39,600 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2018-12-01 17:42:46,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:42:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2388 states and 2774 transitions. [2018-12-01 17:42:46,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 2774 transitions. [2018-12-01 17:42:46,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 17:42:46,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:42:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:42:46,883 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 17:42:50,378 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-01 17:42:51,440 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-01 17:42:52,437 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-01 17:42:55,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:42:55,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2449 states and 2838 transitions. [2018-12-01 17:42:55,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 2838 transitions. [2018-12-01 17:42:55,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 17:42:55,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:42:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:42:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 17:42:55,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:42:55,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2457 states and 2845 transitions. [2018-12-01 17:42:55,636 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 2845 transitions. [2018-12-01 17:42:55,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-01 17:42:55,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:42:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:42:56,232 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-01 17:43:00,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:43:00,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2503 states and 2902 transitions. [2018-12-01 17:43:00,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2503 states and 2902 transitions. [2018-12-01 17:43:00,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-01 17:43:00,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:43:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:43:00,621 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-01 17:43:02,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:43:02,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2575 states and 2975 transitions. [2018-12-01 17:43:02,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 2975 transitions. [2018-12-01 17:43:02,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 17:43:02,441 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:43:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:43:05,551 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:43:08,668 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-12-01 17:43:10,464 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-12-01 17:43:13,572 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2018-12-01 17:43:14,642 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2018-12-01 17:43:19,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:43:19,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 2626 states and 3028 transitions. [2018-12-01 17:43:19,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2626 states and 3028 transitions. [2018-12-01 17:43:19,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 17:43:19,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:43:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:43:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:43:22,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:43:22,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 2644 states and 3045 transitions. [2018-12-01 17:43:22,006 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 3045 transitions. [2018-12-01 17:43:22,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 17:43:22,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:43:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:43:24,707 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 17:43:28,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:43:28,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 2648 states and 3051 transitions. [2018-12-01 17:43:28,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 3051 transitions. [2018-12-01 17:43:28,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 17:43:28,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:43:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:43:28,291 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 17:43:31,970 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-01 17:43:33,326 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 17:43:34,463 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 17:43:35,434 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 17:43:38,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:43:38,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3102 states to 2696 states and 3102 transitions. [2018-12-01 17:43:38,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3102 transitions. [2018-12-01 17:43:38,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 17:43:38,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:43:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:43:40,395 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 291 proven. 319 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-12-01 17:43:46,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:43:46,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 2766 states and 3178 transitions. [2018-12-01 17:43:46,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3178 transitions. [2018-12-01 17:43:46,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-01 17:43:46,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:43:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:43:46,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-01 17:43:47,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:43:47,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 2830 states and 3242 transitions. [2018-12-01 17:43:47,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3242 transitions. [2018-12-01 17:43:47,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-01 17:43:47,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:43:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:43:48,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-01 17:43:50,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:43:50,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 2899 states and 3314 transitions. [2018-12-01 17:43:50,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 3314 transitions. [2018-12-01 17:43:50,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-01 17:43:50,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:43:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:43:50,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-01 17:43:51,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:43:51,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 2900 states and 3314 transitions. [2018-12-01 17:43:51,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 3314 transitions. [2018-12-01 17:43:51,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-01 17:43:51,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:43:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:43:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-01 17:44:03,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:44:03,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 2969 states and 3390 transitions. [2018-12-01 17:44:03,815 INFO L276 IsEmpty]: Start isEmpty. Operand 2969 states and 3390 transitions. [2018-12-01 17:44:03,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-01 17:44:03,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:44:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:44:04,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-01 17:44:05,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:44:05,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 2690 states and 3082 transitions. [2018-12-01 17:44:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3082 transitions. [2018-12-01 17:44:05,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 17:44:05,803 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 123 iterations. [2018-12-01 17:44:05,809 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 17:44:06,034 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 51 [2018-12-01 17:44:06,236 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 47 [2018-12-01 17:44:06,443 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 43 [2018-12-01 17:44:06,655 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-12-01 17:44:06,830 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 43 [2018-12-01 17:44:07,194 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 55 [2018-12-01 17:44:07,417 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 33 [2018-12-01 17:44:07,587 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 43 [2018-12-01 17:44:07,777 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 43 [2018-12-01 17:44:08,093 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 33 [2018-12-01 17:44:08,318 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 53 [2018-12-01 17:44:08,485 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 43 [2018-12-01 17:44:08,588 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 35 [2018-12-01 17:44:08,754 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 43 [2018-12-01 17:44:08,918 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 43 [2018-12-01 17:44:09,333 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 53 [2018-12-01 17:44:09,712 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 43 [2018-12-01 17:44:09,922 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 45 [2018-12-01 17:44:10,089 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 41 [2018-12-01 17:44:10,340 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 53 [2018-12-01 17:44:10,646 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-12-01 17:44:10,838 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 45 [2018-12-01 17:44:11,031 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 45 [2018-12-01 17:44:11,266 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 39 [2018-12-01 17:44:11,560 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 45 [2018-12-01 17:44:11,796 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 45 [2018-12-01 17:44:12,075 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 45 [2018-12-01 17:44:12,358 WARN L180 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 54 [2018-12-01 17:44:12,475 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2018-12-01 17:44:12,667 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 43 [2018-12-01 17:44:12,964 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 45 [2018-12-01 17:44:13,197 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 54 [2018-12-01 17:44:13,494 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 53 [2018-12-01 17:44:13,756 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 53 [2018-12-01 17:44:13,886 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 35 [2018-12-01 17:44:14,234 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 53 [2018-12-01 17:44:14,476 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 33 [2018-12-01 17:44:14,765 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-12-01 17:44:15,118 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 54 [2018-12-01 17:44:15,503 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 51 [2018-12-01 17:44:15,883 WARN L180 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 43 [2018-12-01 17:44:16,368 WARN L180 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 80 [2018-12-01 17:44:16,714 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 47 [2018-12-01 17:44:16,939 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-12-01 17:44:17,127 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 43 [2018-12-01 17:44:17,228 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2018-12-01 17:44:17,417 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 41 [2018-12-01 17:44:17,674 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 55 [2018-12-01 17:44:17,968 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 53 [2018-12-01 17:44:18,130 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 43 [2018-12-01 17:44:18,130 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 17:44:18,133 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-01 17:44:18,141 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-01 17:44:18,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:44:18 ImpRootNode [2018-12-01 17:44:18,142 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 17:44:18,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:44:18,143 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:44:18,143 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:44:18,144 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:38:42" (3/4) ... [2018-12-01 17:44:18,146 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 17:44:18,160 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2018-12-01 17:44:18,161 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-01 17:44:18,162 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-01 17:44:18,163 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 17:44:18,221 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_441b5401-8b4d-4264-86d1-655bd13561e0/bin-2019/ukojak/witness.graphml [2018-12-01 17:44:18,221 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:44:18,221 INFO L168 Benchmark]: Toolchain (without parser) took 337319.11 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 799.0 MB). Free memory was 951.7 MB in the beginning and 870.0 MB in the end (delta: 81.7 MB). Peak memory consumption was 880.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:44:18,222 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. [2018-12-01 17:44:18,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. [2018-12-01 17:44:18,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-01 17:44:18,223 INFO L168 Benchmark]: Boogie Preprocessor took 40.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:44:18,223 INFO L168 Benchmark]: RCFGBuilder took 1017.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 905.6 MB in the end (delta: 207.9 MB). Peak memory consumption was 207.9 MB. Max. memory is 11.5 GB. [2018-12-01 17:44:18,223 INFO L168 Benchmark]: CodeCheck took 335823.32 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 661.1 MB). Free memory was 905.6 MB in the beginning and 888.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-01 17:44:18,223 INFO L168 Benchmark]: Witness Printer took 78.00 ms. Allocated memory is still 1.8 GB. Free memory was 888.4 MB in the beginning and 870.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:44:18,225 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, 323.4s OverallTime, 123 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 892455852 SDtfs, -884635910 SDslu, 786420224 SDs, 0 SdLazy, -1263936322 SolverSat, -1111877888 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 468.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161733 GetRequests, 154167 SyntacticMatches, 5816 SemanticMatches, 1750 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2270364 ImplicationChecksByTransitivity, 296.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 40.7s InterpolantComputationTime, 23950 NumberOfCodeBlocks, 23950 NumberOfCodeBlocksAsserted, 122 NumberOfCheckSat, 23828 ConstructedInterpolants, 0 QuantifiedInterpolants, 44038858 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 122 InterpolantComputations, 85 PerfectInterpolantSequences, 29515/32432 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: 563]: 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: ((((!(a7 == 1) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1)) || !(a16 == 5)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || ((((a8 == 15 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || ((((a21 <= 0 && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((!(a16 == 5) || ((((a8 == 15 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || ((((a21 <= 0 && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1)) || !(a7 == 1)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && 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 306.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1017.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 905.6 MB in the end (delta: 207.9 MB). Peak memory consumption was 207.9 MB. Max. memory is 11.5 GB. * CodeCheck took 335823.32 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 661.1 MB). Free memory was 905.6 MB in the beginning and 888.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 78.00 ms. Allocated memory is still 1.8 GB. Free memory was 888.4 MB in the beginning and 870.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...