./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ffe2ac4f-27d4-46eb-a611-08e234c15922/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ffe2ac4f-27d4-46eb-a611-08e234c15922/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ffe2ac4f-27d4-46eb-a611-08e234c15922/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ffe2ac4f-27d4-46eb-a611-08e234c15922/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_2-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ffe2ac4f-27d4-46eb-a611-08e234c15922/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ffe2ac4f-27d4-46eb-a611-08e234c15922/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 758587bcbf021ce28de3aa106c09f74804dbda1d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_ffe2ac4f-27d4-46eb-a611-08e234c15922/bin/ukojak/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 08:27:38,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:27:38,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:27:38,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:27:38,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:27:38,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:27:38,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:27:38,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:27:38,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:27:38,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:27:38,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:27:38,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:27:38,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:27:38,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:27:38,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:27:38,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:27:38,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:27:38,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:27:38,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:27:38,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:27:38,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:27:38,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:27:38,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:27:38,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:27:38,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:27:38,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:27:38,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:27:38,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:27:38,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:27:38,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:27:38,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:27:38,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:27:38,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:27:38,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:27:38,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:27:38,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:27:38,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:27:38,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:27:38,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:27:38,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:27:38,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:27:38,285 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ffe2ac4f-27d4-46eb-a611-08e234c15922/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2019-11-20 08:27:38,297 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:27:38,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:27:38,298 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 08:27:38,298 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 08:27:38,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:27:38,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:27:38,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:27:38,299 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 08:27:38,300 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 08:27:38,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:27:38,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 08:27:38,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:27:38,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 08:27:38,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 08:27:38,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 08:27:38,301 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 08:27:38,301 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 08:27:38,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:27:38,302 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:27:38,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 08:27:38,302 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 08:27:38,302 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 08:27:38,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:27:38,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 08:27:38,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 08:27:38,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:27:38,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 08:27:38,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 08:27:38,304 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 08:27:38,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 08:27:38,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 08:27:38,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_ffe2ac4f-27d4-46eb-a611-08e234c15922/bin/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 ! overflow) ) 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 -> 758587bcbf021ce28de3aa106c09f74804dbda1d [2019-11-20 08:27:38,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:27:38,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:27:38,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:27:38,507 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:27:38,508 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:27:38,509 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ffe2ac4f-27d4-46eb-a611-08e234c15922/bin/ukojak/../../sv-benchmarks/c/bitvector/byte_add_2-1.i [2019-11-20 08:27:38,567 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ffe2ac4f-27d4-46eb-a611-08e234c15922/bin/ukojak/data/53fe36895/7d4498df6eeb424d9324964037b51186/FLAG06faa309a [2019-11-20 08:27:38,975 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:27:38,977 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ffe2ac4f-27d4-46eb-a611-08e234c15922/sv-benchmarks/c/bitvector/byte_add_2-1.i [2019-11-20 08:27:38,988 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ffe2ac4f-27d4-46eb-a611-08e234c15922/bin/ukojak/data/53fe36895/7d4498df6eeb424d9324964037b51186/FLAG06faa309a [2019-11-20 08:27:39,376 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ffe2ac4f-27d4-46eb-a611-08e234c15922/bin/ukojak/data/53fe36895/7d4498df6eeb424d9324964037b51186 [2019-11-20 08:27:39,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:27:39,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:27:39,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:27:39,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:27:39,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:27:39,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:27:39" (1/1) ... [2019-11-20 08:27:39,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b52e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:39, skipping insertion in model container [2019-11-20 08:27:39,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:27:39" (1/1) ... [2019-11-20 08:27:39,394 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:27:39,424 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:27:39,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:27:39,731 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:27:39,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:27:39,784 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:27:39,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:39 WrapperNode [2019-11-20 08:27:39,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:27:39,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:27:39,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:27:39,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:27:39,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:39" (1/1) ... [2019-11-20 08:27:39,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:39" (1/1) ... [2019-11-20 08:27:39,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:27:39,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:27:39,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:27:39,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:27:39,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:39" (1/1) ... [2019-11-20 08:27:39,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:39" (1/1) ... [2019-11-20 08:27:39,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:39" (1/1) ... [2019-11-20 08:27:39,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:39" (1/1) ... [2019-11-20 08:27:39,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:39" (1/1) ... [2019-11-20 08:27:39,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:39" (1/1) ... [2019-11-20 08:27:39,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:39" (1/1) ... [2019-11-20 08:27:39,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:27:39,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:27:39,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:27:39,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:27:39,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ffe2ac4f-27d4-46eb-a611-08e234c15922/bin/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 [2019-11-20 08:27:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:27:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:27:40,668 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:27:40,668 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-20 08:27:40,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:27:40 BoogieIcfgContainer [2019-11-20 08:27:40,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:27:40,670 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 08:27:40,670 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 08:27:40,681 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 08:27:40,681 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:27:40" (1/1) ... [2019-11-20 08:27:40,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:27:40,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:40,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 99 states and 116 transitions. [2019-11-20 08:27:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2019-11-20 08:27:40,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 08:27:40,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:40,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:40,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:40,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 98 states and 115 transitions. [2019-11-20 08:27:40,839 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 115 transitions. [2019-11-20 08:27:40,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 08:27:40,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:40,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:40,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:40,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 97 states and 114 transitions. [2019-11-20 08:27:40,863 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2019-11-20 08:27:40,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 08:27:40,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:40,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:40,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:40,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 96 states and 113 transitions. [2019-11-20 08:27:40,887 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 113 transitions. [2019-11-20 08:27:40,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 08:27:40,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:40,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:40,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:40,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2019-11-20 08:27:40,927 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2019-11-20 08:27:40,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 08:27:40,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:40,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:40,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:40,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2019-11-20 08:27:40,950 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2019-11-20 08:27:40,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 08:27:40,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:40,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2019-11-20 08:27:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2019-11-20 08:27:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 08:27:40,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2019-11-20 08:27:41,035 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2019-11-20 08:27:41,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 08:27:41,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2019-11-20 08:27:41,088 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2019-11-20 08:27:41,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 08:27:41,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2019-11-20 08:27:41,116 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2019-11-20 08:27:41,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 08:27:41,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2019-11-20 08:27:41,151 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2019-11-20 08:27:41,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 08:27:41,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2019-11-20 08:27:41,171 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2019-11-20 08:27:41,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 08:27:41,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2019-11-20 08:27:41,201 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2019-11-20 08:27:41,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 08:27:41,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2019-11-20 08:27:41,253 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2019-11-20 08:27:41,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 08:27:41,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2019-11-20 08:27:41,271 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2019-11-20 08:27:41,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 08:27:41,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2019-11-20 08:27:41,305 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2019-11-20 08:27:41,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 08:27:41,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2019-11-20 08:27:41,326 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2019-11-20 08:27:41,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 08:27:41,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2019-11-20 08:27:41,342 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2019-11-20 08:27:41,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 08:27:41,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2019-11-20 08:27:41,357 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2019-11-20 08:27:41,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 08:27:41,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2019-11-20 08:27:41,378 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2019-11-20 08:27:41,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 08:27:41,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2019-11-20 08:27:41,393 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2019-11-20 08:27:41,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 08:27:41,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2019-11-20 08:27:41,406 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2019-11-20 08:27:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 08:27:41,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2019-11-20 08:27:41,422 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2019-11-20 08:27:41,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 08:27:41,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2019-11-20 08:27:41,436 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2019-11-20 08:27:41,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 08:27:41,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2019-11-20 08:27:41,450 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2019-11-20 08:27:41,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 08:27:41,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2019-11-20 08:27:41,463 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2019-11-20 08:27:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 08:27:41,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2019-11-20 08:27:41,476 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2019-11-20 08:27:41,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 08:27:41,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2019-11-20 08:27:41,488 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2019-11-20 08:27:41,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 08:27:41,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2019-11-20 08:27:41,508 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2019-11-20 08:27:41,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 08:27:41,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2019-11-20 08:27:41,520 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2019-11-20 08:27:41,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 08:27:41,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2019-11-20 08:27:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2019-11-20 08:27:41,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 08:27:41,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2019-11-20 08:27:41,559 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2019-11-20 08:27:41,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 08:27:41,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2019-11-20 08:27:41,592 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2019-11-20 08:27:41,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 08:27:41,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 69 states and 87 transitions. [2019-11-20 08:27:41,719 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2019-11-20 08:27:41,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 08:27:41,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 68 states and 86 transitions. [2019-11-20 08:27:41,738 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2019-11-20 08:27:41,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 08:27:41,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 85 transitions. [2019-11-20 08:27:41,756 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2019-11-20 08:27:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 08:27:41,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 66 states and 84 transitions. [2019-11-20 08:27:41,780 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2019-11-20 08:27:41,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 08:27:41,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:41,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 83 transitions. [2019-11-20 08:27:41,795 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2019-11-20 08:27:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 08:27:41,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:41,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:42,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:42,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 68 states and 88 transitions. [2019-11-20 08:27:42,114 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2019-11-20 08:27:42,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 08:27:42,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:42,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:42,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:42,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2019-11-20 08:27:42,471 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2019-11-20 08:27:42,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 08:27:42,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 08:27:42,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:42,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 76 states and 101 transitions. [2019-11-20 08:27:42,961 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2019-11-20 08:27:42,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 08:27:42,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 08:27:42,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:42,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 75 states and 100 transitions. [2019-11-20 08:27:42,985 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2019-11-20 08:27:42,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 08:27:42,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:43,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:43,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:43,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 78 states and 107 transitions. [2019-11-20 08:27:43,444 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2019-11-20 08:27:43,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 08:27:43,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:43,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:43,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 79 states and 108 transitions. [2019-11-20 08:27:43,538 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2019-11-20 08:27:43,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 08:27:43,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:43,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:44,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:44,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 84 states and 122 transitions. [2019-11-20 08:27:44,706 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 122 transitions. [2019-11-20 08:27:44,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 08:27:44,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:45,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:45,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 92 states and 138 transitions. [2019-11-20 08:27:45,027 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 138 transitions. [2019-11-20 08:27:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 08:27:45,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:45,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:46,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:46,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 102 states and 156 transitions. [2019-11-20 08:27:46,185 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2019-11-20 08:27:46,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 08:27:46,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:46,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:46,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 104 states and 159 transitions. [2019-11-20 08:27:46,564 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 159 transitions. [2019-11-20 08:27:46,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 08:27:46,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:46,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:47,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:47,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 111 states and 168 transitions. [2019-11-20 08:27:47,067 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 168 transitions. [2019-11-20 08:27:47,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 08:27:47,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:47,490 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 08:27:48,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 120 states and 185 transitions. [2019-11-20 08:27:48,924 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 185 transitions. [2019-11-20 08:27:48,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 08:27:48,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:48,972 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 08:27:49,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:49,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 122 states and 193 transitions. [2019-11-20 08:27:49,721 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 193 transitions. [2019-11-20 08:27:49,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 08:27:49,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:50,716 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:52,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 134 states and 211 transitions. [2019-11-20 08:27:52,911 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2019-11-20 08:27:52,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 08:27:52,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:53,079 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:27:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:53,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 136 states and 216 transitions. [2019-11-20 08:27:53,693 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 216 transitions. [2019-11-20 08:27:53,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 08:27:53,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:53,721 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:27:54,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:54,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 138 states and 219 transitions. [2019-11-20 08:27:54,337 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 219 transitions. [2019-11-20 08:27:54,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 08:27:54,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:55,182 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:58,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:58,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 156 states and 246 transitions. [2019-11-20 08:27:58,241 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 246 transitions. [2019-11-20 08:27:58,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 08:27:58,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:58,536 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:59,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:59,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 163 states and 257 transitions. [2019-11-20 08:27:59,773 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 257 transitions. [2019-11-20 08:27:59,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 08:27:59,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:00,880 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:03,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:03,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 177 states and 278 transitions. [2019-11-20 08:28:03,143 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 278 transitions. [2019-11-20 08:28:03,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 08:28:03,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:03,173 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:28:03,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:03,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 177 states and 276 transitions. [2019-11-20 08:28:03,191 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 276 transitions. [2019-11-20 08:28:03,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 08:28:03,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:05,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:05,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 184 states and 284 transitions. [2019-11-20 08:28:05,115 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 284 transitions. [2019-11-20 08:28:05,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 08:28:05,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:05,389 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:05,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 185 states and 286 transitions. [2019-11-20 08:28:05,980 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 286 transitions. [2019-11-20 08:28:05,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 08:28:05,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:06,456 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 08:28:07,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:07,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 191 states and 293 transitions. [2019-11-20 08:28:07,031 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 293 transitions. [2019-11-20 08:28:07,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 08:28:07,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:07,373 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:08,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:08,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 194 states and 298 transitions. [2019-11-20 08:28:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 298 transitions. [2019-11-20 08:28:08,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 08:28:08,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:28:08,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:08,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 166 states and 247 transitions. [2019-11-20 08:28:08,460 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 247 transitions. [2019-11-20 08:28:08,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 08:28:08,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 08:28:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 175 states and 269 transitions. [2019-11-20 08:28:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 269 transitions. [2019-11-20 08:28:11,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 08:28:11,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:11,913 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 08:28:14,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:14,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 181 states and 275 transitions. [2019-11-20 08:28:14,557 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 275 transitions. [2019-11-20 08:28:14,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 08:28:14,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:16,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:16,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 183 states and 276 transitions. [2019-11-20 08:28:16,475 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 276 transitions. [2019-11-20 08:28:16,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 08:28:16,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:16,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 08:28:18,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:18,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 183 states and 270 transitions. [2019-11-20 08:28:18,373 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 270 transitions. [2019-11-20 08:28:18,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 08:28:18,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:19,048 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 08:28:23,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:23,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 187 states and 276 transitions. [2019-11-20 08:28:23,154 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 276 transitions. [2019-11-20 08:28:23,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 08:28:23,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:23,274 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 08:28:25,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:25,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 189 states and 277 transitions. [2019-11-20 08:28:25,041 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 277 transitions. [2019-11-20 08:28:25,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 08:28:25,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:25,922 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 08:28:29,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 201 states and 295 transitions. [2019-11-20 08:28:29,764 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 295 transitions. [2019-11-20 08:28:29,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 08:28:29,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:34,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 206 states and 305 transitions. [2019-11-20 08:28:34,096 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 305 transitions. [2019-11-20 08:28:34,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 08:28:34,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 08:28:35,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:35,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 207 states and 299 transitions. [2019-11-20 08:28:35,814 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 299 transitions. [2019-11-20 08:28:35,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 08:28:35,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:36,904 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:43,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:43,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 226 states and 332 transitions. [2019-11-20 08:28:43,207 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 332 transitions. [2019-11-20 08:28:43,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 08:28:43,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:44,003 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 08:28:47,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:47,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 238 states and 349 transitions. [2019-11-20 08:28:47,032 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 349 transitions. [2019-11-20 08:28:47,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 08:28:47,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:47,535 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 08:28:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:49,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 240 states and 350 transitions. [2019-11-20 08:28:49,464 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 350 transitions. [2019-11-20 08:28:49,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 08:28:49,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:57,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:57,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 277 states and 400 transitions. [2019-11-20 08:28:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 400 transitions. [2019-11-20 08:28:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 08:28:57,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:57,732 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 08:28:59,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:59,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 273 states and 391 transitions. [2019-11-20 08:28:59,434 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 391 transitions. [2019-11-20 08:28:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 08:28:59,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 08:29:03,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:03,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 280 states and 398 transitions. [2019-11-20 08:29:03,272 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 398 transitions. [2019-11-20 08:29:03,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 08:29:03,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:03,291 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 08:29:04,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:04,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 281 states and 398 transitions. [2019-11-20 08:29:04,976 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 398 transitions. [2019-11-20 08:29:04,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 08:29:04,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:05,141 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 08:29:07,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 283 states and 399 transitions. [2019-11-20 08:29:07,119 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 399 transitions. [2019-11-20 08:29:07,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 08:29:07,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 08:29:20,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:20,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 306 states and 441 transitions. [2019-11-20 08:29:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 441 transitions. [2019-11-20 08:29:20,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 08:29:20,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 08:29:22,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:22,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 308 states and 446 transitions. [2019-11-20 08:29:22,455 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 446 transitions. [2019-11-20 08:29:22,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 08:29:22,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:23,225 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 08:29:26,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:26,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 320 states and 465 transitions. [2019-11-20 08:29:26,673 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 465 transitions. [2019-11-20 08:29:26,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 08:29:26,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:27,416 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:29:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:28,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 322 states and 466 transitions. [2019-11-20 08:29:28,547 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 466 transitions. [2019-11-20 08:29:28,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 08:29:28,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 08:29:31,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:31,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 325 states and 470 transitions. [2019-11-20 08:29:31,266 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 470 transitions. [2019-11-20 08:29:31,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 08:29:31,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:31,686 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 08:29:33,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:33,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 335 states and 482 transitions. [2019-11-20 08:29:33,897 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 482 transitions. [2019-11-20 08:29:33,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 08:29:33,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:35,596 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 08:29:39,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:39,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 341 states and 496 transitions. [2019-11-20 08:29:39,446 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 496 transitions. [2019-11-20 08:29:39,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 08:29:39,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 61 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 08:29:45,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:45,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 346 states and 511 transitions. [2019-11-20 08:29:45,402 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 511 transitions. [2019-11-20 08:29:45,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 08:29:45,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:46,404 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 08:29:51,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:51,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 350 states and 514 transitions. [2019-11-20 08:29:51,174 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 514 transitions. [2019-11-20 08:29:51,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 08:29:51,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:54,287 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 08:30:01,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 358 states and 533 transitions. [2019-11-20 08:30:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 533 transitions. [2019-11-20 08:30:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 08:30:01,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:02,490 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 08:30:03,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:03,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 358 states and 532 transitions. [2019-11-20 08:30:03,531 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 532 transitions. [2019-11-20 08:30:03,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 08:30:03,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:04,835 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 08:30:05,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:05,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 358 states and 531 transitions. [2019-11-20 08:30:05,919 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 531 transitions. [2019-11-20 08:30:05,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 08:30:05,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:05,953 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 61 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 08:30:07,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:07,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 359 states and 539 transitions. [2019-11-20 08:30:07,199 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 539 transitions. [2019-11-20 08:30:07,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 08:30:07,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:08,281 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 08:30:13,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:13,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 350 states and 524 transitions. [2019-11-20 08:30:13,256 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 524 transitions. [2019-11-20 08:30:13,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 08:30:13,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 08:30:18,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:18,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 368 states and 545 transitions. [2019-11-20 08:30:18,405 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 545 transitions. [2019-11-20 08:30:18,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 08:30:18,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 08:30:21,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 375 states and 552 transitions. [2019-11-20 08:30:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 552 transitions. [2019-11-20 08:30:21,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 08:30:21,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:21,568 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 08:30:23,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:23,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 386 states and 565 transitions. [2019-11-20 08:30:23,329 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 565 transitions. [2019-11-20 08:30:23,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 08:30:23,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:25,257 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 08:30:26,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:26,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 392 states and 571 transitions. [2019-11-20 08:30:26,553 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 571 transitions. [2019-11-20 08:30:26,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 08:30:26,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:27,203 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 08:30:29,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 394 states and 581 transitions. [2019-11-20 08:30:29,705 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 581 transitions. [2019-11-20 08:30:29,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 08:30:29,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:31,315 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 08:30:36,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:36,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 415 states and 606 transitions. [2019-11-20 08:30:36,274 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 606 transitions. [2019-11-20 08:30:36,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 08:30:36,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 08:30:40,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:40,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 426 states and 620 transitions. [2019-11-20 08:30:40,179 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 620 transitions. [2019-11-20 08:30:40,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 08:30:40,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:41,501 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 08:30:44,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:44,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 437 states and 638 transitions. [2019-11-20 08:30:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 638 transitions. [2019-11-20 08:30:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 08:30:44,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:45,279 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 08:30:46,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:46,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 438 states and 640 transitions. [2019-11-20 08:30:46,406 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 640 transitions. [2019-11-20 08:30:46,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 08:30:46,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:46,619 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 37 proven. 26 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 08:30:50,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:50,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 449 states and 654 transitions. [2019-11-20 08:30:50,047 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 654 transitions. [2019-11-20 08:30:50,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-20 08:30:50,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 31 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 08:31:19,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:31:19,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 502 states and 760 transitions. [2019-11-20 08:31:19,576 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 760 transitions. [2019-11-20 08:31:19,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-20 08:31:19,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:31:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:31:20,415 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 31 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 08:31:23,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:31:23,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 525 states and 790 transitions. [2019-11-20 08:31:23,086 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 790 transitions. [2019-11-20 08:31:23,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 08:31:23,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:31:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:31:26,363 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 14 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 08:31:50,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:31:50,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 564 states and 870 transitions. [2019-11-20 08:31:50,959 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 870 transitions. [2019-11-20 08:31:50,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 08:31:50,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:31:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:31:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 14 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 08:31:53,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:31:53,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 575 states and 884 transitions. [2019-11-20 08:31:53,131 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 884 transitions. [2019-11-20 08:31:53,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 08:31:53,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:31:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:31:56,641 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 57 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 08:32:22,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:32:22,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 610 states and 946 transitions. [2019-11-20 08:32:22,293 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 946 transitions. [2019-11-20 08:32:22,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 08:32:22,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:32:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:32:23,135 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 57 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 08:32:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:32:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 634 states and 980 transitions. [2019-11-20 08:32:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 980 transitions. [2019-11-20 08:32:30,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 08:32:30,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:32:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:32:30,479 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 14 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 08:32:35,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:32:35,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 645 states and 993 transitions. [2019-11-20 08:32:35,895 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 993 transitions. [2019-11-20 08:32:35,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 08:32:35,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:32:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:32:40,730 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:32:43,811 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-11-20 08:32:46,013 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-11-20 08:32:46,784 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-11-20 08:33:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:06,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 687 states and 1066 transitions. [2019-11-20 08:33:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1066 transitions. [2019-11-20 08:33:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 08:33:06,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 08:33:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:09,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 689 states and 1075 transitions. [2019-11-20 08:33:09,921 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1075 transitions. [2019-11-20 08:33:09,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 08:33:09,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:14,900 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:33:39,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:39,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 725 states and 1136 transitions. [2019-11-20 08:33:39,019 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1136 transitions. [2019-11-20 08:33:39,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 08:33:39,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:39,579 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:33:43,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:43,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 729 states and 1141 transitions. [2019-11-20 08:33:43,321 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1141 transitions. [2019-11-20 08:33:43,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 08:33:43,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:43,957 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:33:45,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:45,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 730 states and 1143 transitions. [2019-11-20 08:33:45,575 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1143 transitions. [2019-11-20 08:33:45,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 08:33:45,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:46,257 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:33:50,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:50,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 741 states and 1158 transitions. [2019-11-20 08:33:50,825 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1158 transitions. [2019-11-20 08:33:50,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 08:33:50,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 08:33:52,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 743 states and 1160 transitions. [2019-11-20 08:33:52,787 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1160 transitions. [2019-11-20 08:33:52,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 08:33:52,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:53,334 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:33:55,075 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-11-20 08:33:58,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:58,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 753 states and 1171 transitions. [2019-11-20 08:33:58,398 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1171 transitions. [2019-11-20 08:33:58,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 08:33:58,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:59,134 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:33:59,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:59,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 755 states and 1172 transitions. [2019-11-20 08:33:59,804 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1172 transitions. [2019-11-20 08:33:59,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 08:33:59,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:34:03,133 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 52 proven. 26 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 08:34:12,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:34:12,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 772 states and 1190 transitions. [2019-11-20 08:34:12,910 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1190 transitions. [2019-11-20 08:34:12,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 08:34:12,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:34:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:34:17,251 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 31 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 08:34:26,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:34:26,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 779 states and 1200 transitions. [2019-11-20 08:34:26,274 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1200 transitions. [2019-11-20 08:34:26,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 08:34:26,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:34:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:34:28,125 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 31 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 08:34:33,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:34:33,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 783 states and 1223 transitions. [2019-11-20 08:34:33,040 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1223 transitions. [2019-11-20 08:34:33,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 08:34:33,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:34:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:34:34,250 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 22 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 08:34:34,732 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2019-11-20 08:34:47,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:34:47,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 812 states and 1276 transitions. [2019-11-20 08:34:47,053 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1276 transitions. [2019-11-20 08:34:47,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 08:34:47,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:34:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:34:48,373 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:34:59,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:34:59,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 840 states and 1308 transitions. [2019-11-20 08:34:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1308 transitions. [2019-11-20 08:34:59,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 08:34:59,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:34:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:35:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 22 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 08:35:04,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:35:04,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 851 states and 1323 transitions. [2019-11-20 08:35:04,388 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1323 transitions. [2019-11-20 08:35:04,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 08:35:04,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:35:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:35:05,402 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 22 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 08:35:05,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:35:05,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 852 states and 1323 transitions. [2019-11-20 08:35:05,469 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1323 transitions. [2019-11-20 08:35:05,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 08:35:05,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:35:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:35:06,584 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 22 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 08:35:06,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:35:06,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 854 states and 1324 transitions. [2019-11-20 08:35:06,662 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1324 transitions. [2019-11-20 08:35:06,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 08:35:06,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:35:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:35:11,855 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 57 proven. 31 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 08:35:26,459 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2019-11-20 08:35:34,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:35:34,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 883 states and 1363 transitions. [2019-11-20 08:35:34,419 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1363 transitions. [2019-11-20 08:35:34,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 08:35:34,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:35:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:35:34,537 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-20 08:35:39,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:35:39,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 804 states and 1239 transitions. [2019-11-20 08:35:39,354 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1239 transitions. [2019-11-20 08:35:39,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 08:35:39,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:35:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:35:42,481 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 33 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:36:24,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:36:24,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 845 states and 1332 transitions. [2019-11-20 08:36:24,799 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1332 transitions. [2019-11-20 08:36:24,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 08:36:24,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:36:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:36:26,133 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 61 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 08:36:50,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:36:50,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 870 states and 1400 transitions. [2019-11-20 08:36:50,678 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1400 transitions. [2019-11-20 08:36:50,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 08:36:50,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:36:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:36:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 61 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 08:36:57,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:36:57,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 874 states and 1410 transitions. [2019-11-20 08:36:57,808 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1410 transitions. [2019-11-20 08:36:57,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 08:36:57,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:36:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:36:57,874 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 33 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:37:07,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:37:07,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 890 states and 1434 transitions. [2019-11-20 08:37:07,536 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1434 transitions. [2019-11-20 08:37:07,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 08:37:07,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:37:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:37:07,615 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 33 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:37:14,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:37:14,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 894 states and 1442 transitions. [2019-11-20 08:37:14,139 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1442 transitions. [2019-11-20 08:37:14,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 08:37:14,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:37:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:37:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:37:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-11-20 08:37:25,633 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 08:37:25,636 INFO L168 Benchmark]: Toolchain (without parser) took 586256.73 ms. Allocated memory was 1.0 GB in the beginning and 4.2 GB in the end (delta: 3.2 GB). Free memory was 948.7 MB in the beginning and 1.7 GB in the end (delta: -725.9 MB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2019-11-20 08:37:25,637 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:37:25,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-20 08:37:25,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:37:25,638 INFO L168 Benchmark]: Boogie Preprocessor took 60.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-20 08:37:25,639 INFO L168 Benchmark]: RCFGBuilder took 749.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. [2019-11-20 08:37:25,639 INFO L168 Benchmark]: CodeCheck took 584965.32 ms. Allocated memory was 1.1 GB in the beginning and 4.2 GB in the end (delta: 3.1 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -623.6 MB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2019-11-20 08:37:25,641 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 749.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. * CodeCheck took 584965.32 ms. Allocated memory was 1.1 GB in the beginning and 4.2 GB in the end (delta: 3.1 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -623.6 MB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...