./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label24_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fbc4e4d1-72cc-4e05-801a-c28b4d060b28/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fbc4e4d1-72cc-4e05-801a-c28b4d060b28/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fbc4e4d1-72cc-4e05-801a-c28b4d060b28/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fbc4e4d1-72cc-4e05-801a-c28b4d060b28/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label24_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fbc4e4d1-72cc-4e05-801a-c28b4d060b28/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fbc4e4d1-72cc-4e05-801a-c28b4d060b28/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae8b9d15518dcb8efb3092579c510710d5de6c08 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 08:36:43,898 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:36:43,899 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:36:43,905 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:36:43,905 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:36:43,905 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:36:43,906 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:36:43,907 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:36:43,908 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:36:43,908 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:36:43,908 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:36:43,909 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:36:43,909 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:36:43,909 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:36:43,910 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:36:43,910 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:36:43,911 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:36:43,912 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:36:43,912 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:36:43,913 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:36:43,914 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:36:43,914 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:36:43,915 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:36:43,915 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:36:43,915 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:36:43,916 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:36:43,916 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:36:43,917 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:36:43,917 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:36:43,918 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:36:43,918 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:36:43,918 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:36:43,918 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:36:43,918 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:36:43,919 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:36:43,919 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:36:43,919 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fbc4e4d1-72cc-4e05-801a-c28b4d060b28/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 08:36:43,926 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:36:43,926 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:36:43,927 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 08:36:43,927 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 08:36:43,927 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 08:36:43,927 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 08:36:43,928 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:36:43,928 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:36:43,928 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 08:36:43,928 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:36:43,928 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:36:43,928 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 08:36:43,928 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 08:36:43,928 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 08:36:43,928 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:36:43,928 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 08:36:43,928 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 08:36:43,928 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 08:36:43,928 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 08:36:43,929 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 08:36:43,929 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:36:43,929 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 08:36:43,929 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 08:36:43,929 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:36:43,929 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 08:36:43,929 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 08:36:43,929 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 08:36:43,929 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 08:36:43,929 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 08:36:43,929 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_fbc4e4d1-72cc-4e05-801a-c28b4d060b28/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae8b9d15518dcb8efb3092579c510710d5de6c08 [2018-12-09 08:36:43,946 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:36:43,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:36:43,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:36:43,956 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:36:43,957 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:36:43,957 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fbc4e4d1-72cc-4e05-801a-c28b4d060b28/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label24_true-unreach-call_false-termination.c [2018-12-09 08:36:43,992 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fbc4e4d1-72cc-4e05-801a-c28b4d060b28/bin-2019/ukojak/data/a4cd05005/a405b88330214f2ba03cc7aff57c35ef/FLAGaba6fcb85 [2018-12-09 08:36:44,410 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:36:44,411 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fbc4e4d1-72cc-4e05-801a-c28b4d060b28/sv-benchmarks/c/eca-rers2012/Problem02_label24_true-unreach-call_false-termination.c [2018-12-09 08:36:44,417 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fbc4e4d1-72cc-4e05-801a-c28b4d060b28/bin-2019/ukojak/data/a4cd05005/a405b88330214f2ba03cc7aff57c35ef/FLAGaba6fcb85 [2018-12-09 08:36:44,426 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fbc4e4d1-72cc-4e05-801a-c28b4d060b28/bin-2019/ukojak/data/a4cd05005/a405b88330214f2ba03cc7aff57c35ef [2018-12-09 08:36:44,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:36:44,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:36:44,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:36:44,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:36:44,431 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:36:44,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:36:44" (1/1) ... [2018-12-09 08:36:44,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:36:44, skipping insertion in model container [2018-12-09 08:36:44,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:36:44" (1/1) ... [2018-12-09 08:36:44,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:36:44,462 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:36:44,635 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:36:44,638 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:36:44,717 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:36:44,726 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:36:44,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:36:44 WrapperNode [2018-12-09 08:36:44,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:36:44,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:36:44,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:36:44,727 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:36:44,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:36:44" (1/1) ... [2018-12-09 08:36:44,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:36:44" (1/1) ... [2018-12-09 08:36:44,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:36:44,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:36:44,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:36:44,767 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:36:44,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:36:44" (1/1) ... [2018-12-09 08:36:44,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:36:44" (1/1) ... [2018-12-09 08:36:44,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:36:44" (1/1) ... [2018-12-09 08:36:44,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:36:44" (1/1) ... [2018-12-09 08:36:44,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:36:44" (1/1) ... [2018-12-09 08:36:44,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:36:44" (1/1) ... [2018-12-09 08:36:44,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:36:44" (1/1) ... [2018-12-09 08:36:44,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:36:44,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:36:44,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:36:44,796 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:36:44,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:36:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbc4e4d1-72cc-4e05-801a-c28b4d060b28/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 08:36:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:36:44,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:36:45,862 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:36:45,862 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 08:36:45,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:36:45 BoogieIcfgContainer [2018-12-09 08:36:45,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:36:45,863 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 08:36:45,863 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 08:36:45,871 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 08:36:45,871 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:36:45" (1/1) ... [2018-12-09 08:36:45,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:36:45,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:45,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-09 08:36:45,903 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-09 08:36:45,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 08:36:45,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:36:46,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:46,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 163 states and 251 transitions. [2018-12-09 08:36:46,411 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 251 transitions. [2018-12-09 08:36:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 08:36:46,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:36:46,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:46,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 241 states and 341 transitions. [2018-12-09 08:36:46,893 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 341 transitions. [2018-12-09 08:36:46,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 08:36:46,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:46,934 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:36:47,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:47,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 320 states and 430 transitions. [2018-12-09 08:36:47,300 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 430 transitions. [2018-12-09 08:36:47,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 08:36:47,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:47,329 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:36:47,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:47,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 329 states and 442 transitions. [2018-12-09 08:36:47,410 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 442 transitions. [2018-12-09 08:36:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 08:36:47,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:47,434 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:36:47,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:47,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 339 states and 456 transitions. [2018-12-09 08:36:47,575 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 456 transitions. [2018-12-09 08:36:47,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 08:36:47,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:36:47,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:47,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 344 states and 461 transitions. [2018-12-09 08:36:47,610 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 461 transitions. [2018-12-09 08:36:47,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 08:36:47,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:47,715 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:36:48,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:48,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 361 states and 486 transitions. [2018-12-09 08:36:48,209 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 486 transitions. [2018-12-09 08:36:48,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 08:36:48,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:48,223 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:36:48,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:48,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 365 states and 493 transitions. [2018-12-09 08:36:48,406 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 493 transitions. [2018-12-09 08:36:48,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 08:36:48,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:48,494 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:36:48,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:48,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 383 states and 516 transitions. [2018-12-09 08:36:48,825 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 516 transitions. [2018-12-09 08:36:48,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 08:36:48,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:48,839 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:36:48,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:48,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 388 states and 522 transitions. [2018-12-09 08:36:48,901 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 522 transitions. [2018-12-09 08:36:48,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 08:36:48,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:48,918 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:36:49,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:49,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 397 states and 531 transitions. [2018-12-09 08:36:49,018 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 531 transitions. [2018-12-09 08:36:49,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 08:36:49,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:36:49,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:49,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 400 states and 533 transitions. [2018-12-09 08:36:49,104 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 533 transitions. [2018-12-09 08:36:49,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 08:36:49,104 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:36:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:49,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 411 states and 547 transitions. [2018-12-09 08:36:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 547 transitions. [2018-12-09 08:36:49,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 08:36:49,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:49,417 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:36:49,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:49,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 415 states and 555 transitions. [2018-12-09 08:36:49,635 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 555 transitions. [2018-12-09 08:36:49,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 08:36:49,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:49,659 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:36:49,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 427 states and 570 transitions. [2018-12-09 08:36:49,980 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 570 transitions. [2018-12-09 08:36:49,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 08:36:49,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:50,004 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:36:50,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:50,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 430 states and 574 transitions. [2018-12-09 08:36:50,068 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 574 transitions. [2018-12-09 08:36:50,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 08:36:50,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:50,171 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:36:50,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:50,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 446 states and 595 transitions. [2018-12-09 08:36:50,707 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 595 transitions. [2018-12-09 08:36:50,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-09 08:36:50,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:50,753 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 08:36:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 450 states and 601 transitions. [2018-12-09 08:36:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 601 transitions. [2018-12-09 08:36:51,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 08:36:51,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:51,058 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:36:51,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:51,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 470 states and 629 transitions. [2018-12-09 08:36:51,766 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 629 transitions. [2018-12-09 08:36:51,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 08:36:51,767 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:51,787 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:36:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:51,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 475 states and 633 transitions. [2018-12-09 08:36:51,925 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 633 transitions. [2018-12-09 08:36:51,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 08:36:51,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:52,026 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:36:52,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:52,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 485 states and 649 transitions. [2018-12-09 08:36:52,354 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 649 transitions. [2018-12-09 08:36:52,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 08:36:52,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:52,372 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:36:52,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:52,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 488 states and 652 transitions. [2018-12-09 08:36:52,513 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 652 transitions. [2018-12-09 08:36:52,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 08:36:52,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:52,529 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 08:36:52,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:52,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 495 states and 660 transitions. [2018-12-09 08:36:52,612 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 660 transitions. [2018-12-09 08:36:52,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 08:36:52,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:52,630 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:36:52,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 500 states and 668 transitions. [2018-12-09 08:36:52,773 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 668 transitions. [2018-12-09 08:36:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-09 08:36:52,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:52,897 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:36:53,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:53,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 530 states and 708 transitions. [2018-12-09 08:36:53,772 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 708 transitions. [2018-12-09 08:36:53,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 08:36:53,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:53,790 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 08:36:54,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:54,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 535 states and 716 transitions. [2018-12-09 08:36:54,140 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 716 transitions. [2018-12-09 08:36:54,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 08:36:54,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:54,154 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 08:36:54,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 537 states and 718 transitions. [2018-12-09 08:36:54,170 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 718 transitions. [2018-12-09 08:36:54,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 08:36:54,170 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:54,254 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:36:54,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:54,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 545 states and 730 transitions. [2018-12-09 08:36:54,476 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 730 transitions. [2018-12-09 08:36:54,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 08:36:54,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:54,488 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 08:36:54,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:54,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 550 states and 735 transitions. [2018-12-09 08:36:54,508 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 735 transitions. [2018-12-09 08:36:54,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 08:36:54,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:54,642 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 08:36:55,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:55,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 566 states and 755 transitions. [2018-12-09 08:36:55,477 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 755 transitions. [2018-12-09 08:36:55,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 08:36:55,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:55,545 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 08:36:56,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:56,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 586 states and 784 transitions. [2018-12-09 08:36:56,999 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 784 transitions. [2018-12-09 08:36:57,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 08:36:57,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:57,092 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 08:36:57,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:57,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 599 states and 797 transitions. [2018-12-09 08:36:57,555 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 797 transitions. [2018-12-09 08:36:57,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 08:36:57,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:57,661 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 08:36:58,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:58,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 719 states and 927 transitions. [2018-12-09 08:36:58,826 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 927 transitions. [2018-12-09 08:36:58,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 08:36:58,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:58,844 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:36:59,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:59,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 752 states and 962 transitions. [2018-12-09 08:36:59,077 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 962 transitions. [2018-12-09 08:36:59,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 08:36:59,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:36:59,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:36:59,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 785 states and 1000 transitions. [2018-12-09 08:36:59,854 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1000 transitions. [2018-12-09 08:36:59,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 08:36:59,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:36:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:36:59,884 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:37:00,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:00,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 798 states and 1013 transitions. [2018-12-09 08:37:00,151 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1013 transitions. [2018-12-09 08:37:00,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 08:37:00,151 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:00,168 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:37:00,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:00,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 801 states and 1015 transitions. [2018-12-09 08:37:00,270 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1015 transitions. [2018-12-09 08:37:00,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 08:37:00,270 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:00,293 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:37:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:00,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 806 states and 1019 transitions. [2018-12-09 08:37:00,389 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1019 transitions. [2018-12-09 08:37:00,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 08:37:00,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:00,444 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:37:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 829 states and 1048 transitions. [2018-12-09 08:37:01,124 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1048 transitions. [2018-12-09 08:37:01,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 08:37:01,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:01,168 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:37:01,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:01,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 837 states and 1055 transitions. [2018-12-09 08:37:01,540 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1055 transitions. [2018-12-09 08:37:01,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 08:37:01,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:37:02,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:02,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 846 states and 1065 transitions. [2018-12-09 08:37:02,004 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1065 transitions. [2018-12-09 08:37:02,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 08:37:02,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:02,042 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:37:02,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 847 states and 1065 transitions. [2018-12-09 08:37:02,127 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1065 transitions. [2018-12-09 08:37:02,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 08:37:02,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:02,143 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 08:37:02,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:02,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 848 states and 1066 transitions. [2018-12-09 08:37:02,222 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1066 transitions. [2018-12-09 08:37:02,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 08:37:02,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:02,237 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 08:37:02,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:02,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 849 states and 1067 transitions. [2018-12-09 08:37:02,349 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1067 transitions. [2018-12-09 08:37:02,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 08:37:02,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:02,434 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 08:37:02,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:02,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 853 states and 1074 transitions. [2018-12-09 08:37:02,831 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1074 transitions. [2018-12-09 08:37:02,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 08:37:02,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 71 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 08:37:03,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:03,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 877 states and 1106 transitions. [2018-12-09 08:37:03,837 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1106 transitions. [2018-12-09 08:37:03,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 08:37:03,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:03,908 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 71 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 08:37:04,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:04,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 882 states and 1110 transitions. [2018-12-09 08:37:04,113 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1110 transitions. [2018-12-09 08:37:04,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 08:37:04,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:04,453 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 08:37:06,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:06,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 913 states and 1149 transitions. [2018-12-09 08:37:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1149 transitions. [2018-12-09 08:37:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 08:37:06,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 08:37:06,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 915 states and 1151 transitions. [2018-12-09 08:37:06,666 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1151 transitions. [2018-12-09 08:37:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-09 08:37:06,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:06,741 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:37:07,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:07,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 954 states and 1193 transitions. [2018-12-09 08:37:07,383 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1193 transitions. [2018-12-09 08:37:07,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 08:37:07,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:07,406 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-09 08:37:07,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:07,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 956 states and 1195 transitions. [2018-12-09 08:37:07,613 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1195 transitions. [2018-12-09 08:37:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 08:37:07,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:07,648 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:37:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:07,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 970 states and 1211 transitions. [2018-12-09 08:37:07,695 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1211 transitions. [2018-12-09 08:37:07,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 08:37:07,695 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:37:07,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:07,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 986 states and 1227 transitions. [2018-12-09 08:37:07,977 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1227 transitions. [2018-12-09 08:37:07,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 08:37:07,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:37:08,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:08,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 999 states and 1240 transitions. [2018-12-09 08:37:08,456 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1240 transitions. [2018-12-09 08:37:08,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 08:37:08,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:37:08,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:08,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1001 states and 1241 transitions. [2018-12-09 08:37:08,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1241 transitions. [2018-12-09 08:37:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 08:37:08,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:08,642 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:37:09,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:09,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1056 states and 1302 transitions. [2018-12-09 08:37:09,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1302 transitions. [2018-12-09 08:37:09,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 08:37:09,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:09,831 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 08:37:09,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:09,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1059 states and 1310 transitions. [2018-12-09 08:37:09,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1310 transitions. [2018-12-09 08:37:09,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-09 08:37:09,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:10,029 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:37:10,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:10,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1097 states and 1352 transitions. [2018-12-09 08:37:10,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1352 transitions. [2018-12-09 08:37:10,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 08:37:10,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:10,397 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:37:10,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:10,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1125 states and 1380 transitions. [2018-12-09 08:37:10,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1380 transitions. [2018-12-09 08:37:10,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 08:37:10,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 08:37:16,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:16,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1179 states and 1433 transitions. [2018-12-09 08:37:16,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1433 transitions. [2018-12-09 08:37:16,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 08:37:16,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:16,219 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 08:37:16,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:16,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1184 states and 1441 transitions. [2018-12-09 08:37:16,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1441 transitions. [2018-12-09 08:37:16,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 08:37:16,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:16,764 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 84 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 08:37:17,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:17,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1217 states and 1475 transitions. [2018-12-09 08:37:17,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1475 transitions. [2018-12-09 08:37:17,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 08:37:17,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 08:37:17,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:17,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1218 states and 1475 transitions. [2018-12-09 08:37:17,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1475 transitions. [2018-12-09 08:37:17,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 08:37:17,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:17,463 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 08:37:17,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:17,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1219 states and 1476 transitions. [2018-12-09 08:37:17,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1476 transitions. [2018-12-09 08:37:17,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 08:37:17,717 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 84 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 08:37:18,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:18,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1231 states and 1492 transitions. [2018-12-09 08:37:18,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1492 transitions. [2018-12-09 08:37:18,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 08:37:18,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:18,649 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 84 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 08:37:19,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:19,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1239 states and 1498 transitions. [2018-12-09 08:37:19,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1498 transitions. [2018-12-09 08:37:19,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 08:37:19,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:19,243 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 08:37:19,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:19,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1267 states and 1532 transitions. [2018-12-09 08:37:19,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1532 transitions. [2018-12-09 08:37:19,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 08:37:19,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:19,926 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 08:37:21,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:21,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1298 states and 1563 transitions. [2018-12-09 08:37:21,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1563 transitions. [2018-12-09 08:37:21,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 08:37:21,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:21,352 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 08:37:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:21,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1312 states and 1577 transitions. [2018-12-09 08:37:21,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1577 transitions. [2018-12-09 08:37:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 08:37:21,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:21,427 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-09 08:37:21,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:21,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1321 states and 1586 transitions. [2018-12-09 08:37:21,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1586 transitions. [2018-12-09 08:37:21,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 08:37:21,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 08:37:28,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1376 states and 1642 transitions. [2018-12-09 08:37:28,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1642 transitions. [2018-12-09 08:37:28,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 08:37:28,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:28,644 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 08:37:29,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1392 states and 1658 transitions. [2018-12-09 08:37:29,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1658 transitions. [2018-12-09 08:37:29,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 08:37:29,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:29,832 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 08:37:30,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:30,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1397 states and 1662 transitions. [2018-12-09 08:37:30,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1662 transitions. [2018-12-09 08:37:30,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 08:37:30,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:30,194 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 08:37:30,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:30,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1412 states and 1684 transitions. [2018-12-09 08:37:30,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1684 transitions. [2018-12-09 08:37:30,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 08:37:30,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:30,984 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 08:37:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1415 states and 1686 transitions. [2018-12-09 08:37:31,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1686 transitions. [2018-12-09 08:37:31,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 08:37:31,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:31,285 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-09 08:37:31,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1420 states and 1692 transitions. [2018-12-09 08:37:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1692 transitions. [2018-12-09 08:37:31,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 08:37:31,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:31,526 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:37:33,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:33,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1468 states and 1747 transitions. [2018-12-09 08:37:33,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1747 transitions. [2018-12-09 08:37:33,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 08:37:33,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:33,138 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:37:33,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1480 states and 1756 transitions. [2018-12-09 08:37:33,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1756 transitions. [2018-12-09 08:37:33,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 08:37:33,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:33,632 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-09 08:37:33,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:33,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1484 states and 1759 transitions. [2018-12-09 08:37:33,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1759 transitions. [2018-12-09 08:37:33,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 08:37:33,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:33,773 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:37:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1507 states and 1786 transitions. [2018-12-09 08:37:34,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1786 transitions. [2018-12-09 08:37:34,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-09 08:37:34,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:34,419 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:37:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1518 states and 1796 transitions. [2018-12-09 08:37:34,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1796 transitions. [2018-12-09 08:37:34,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 08:37:34,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:37:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:35,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1533 states and 1816 transitions. [2018-12-09 08:37:35,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1816 transitions. [2018-12-09 08:37:35,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 08:37:35,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:35,733 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:37:36,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:36,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1555 states and 1836 transitions. [2018-12-09 08:37:36,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1836 transitions. [2018-12-09 08:37:36,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-09 08:37:36,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:36,365 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 08:37:37,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:37,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1598 states and 1885 transitions. [2018-12-09 08:37:37,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 1885 transitions. [2018-12-09 08:37:37,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-09 08:37:37,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:37,590 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 08:37:38,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:38,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1616 states and 1901 transitions. [2018-12-09 08:37:38,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 1901 transitions. [2018-12-09 08:37:38,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-09 08:37:38,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:38,189 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 08:37:38,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:38,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1621 states and 1905 transitions. [2018-12-09 08:37:38,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 1905 transitions. [2018-12-09 08:37:38,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-09 08:37:38,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:38,522 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-09 08:37:39,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:39,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1642 states and 1930 transitions. [2018-12-09 08:37:39,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 1930 transitions. [2018-12-09 08:37:39,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 08:37:39,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:39,148 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 08:37:46,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:46,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 1713 states and 2012 transitions. [2018-12-09 08:37:46,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2012 transitions. [2018-12-09 08:37:46,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 08:37:46,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:46,476 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 08:37:47,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 1721 states and 2018 transitions. [2018-12-09 08:37:47,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2018 transitions. [2018-12-09 08:37:47,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 08:37:47,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:47,112 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 08:37:47,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:47,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 1740 states and 2038 transitions. [2018-12-09 08:37:47,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2038 transitions. [2018-12-09 08:37:47,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 08:37:47,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 08:37:50,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:50,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 1765 states and 2065 transitions. [2018-12-09 08:37:50,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2065 transitions. [2018-12-09 08:37:50,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 08:37:50,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:50,828 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 08:37:51,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:51,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 1839 states and 2138 transitions. [2018-12-09 08:37:51,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2138 transitions. [2018-12-09 08:37:51,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 08:37:51,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 116 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-09 08:37:52,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:52,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1858 states and 2158 transitions. [2018-12-09 08:37:52,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2158 transitions. [2018-12-09 08:37:52,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 08:37:52,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:52,505 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:37:52,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:52,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 1862 states and 2164 transitions. [2018-12-09 08:37:52,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2164 transitions. [2018-12-09 08:37:52,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 08:37:52,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:53,054 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:37:54,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:54,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2237 states to 1936 states and 2237 transitions. [2018-12-09 08:37:54,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2237 transitions. [2018-12-09 08:37:54,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 08:37:54,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:54,177 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 08:37:55,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:55,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 1969 states and 2272 transitions. [2018-12-09 08:37:55,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2272 transitions. [2018-12-09 08:37:55,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 08:37:55,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:55,230 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:37:57,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 2008 states and 2315 transitions. [2018-12-09 08:37:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 2315 transitions. [2018-12-09 08:37:57,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-09 08:37:57,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:57,205 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-09 08:37:57,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:57,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 2030 states and 2337 transitions. [2018-12-09 08:37:57,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2337 transitions. [2018-12-09 08:37:57,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-09 08:37:57,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:57,474 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 125 proven. 10 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-09 08:37:57,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:37:57,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 2044 states and 2353 transitions. [2018-12-09 08:37:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2044 states and 2353 transitions. [2018-12-09 08:37:57,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-09 08:37:57,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:37:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:37:58,484 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:38:01,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:01,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 2136 states and 2447 transitions. [2018-12-09 08:38:01,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 2447 transitions. [2018-12-09 08:38:01,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 08:38:01,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 08:38:02,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:02,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 2148 states and 2459 transitions. [2018-12-09 08:38:02,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 2459 transitions. [2018-12-09 08:38:02,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-09 08:38:02,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:02,372 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 08:38:03,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:03,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2162 states and 2478 transitions. [2018-12-09 08:38:03,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 2478 transitions. [2018-12-09 08:38:03,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-09 08:38:03,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:03,339 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 08:38:03,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:03,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 2165 states and 2480 transitions. [2018-12-09 08:38:03,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 2480 transitions. [2018-12-09 08:38:03,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-09 08:38:03,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:03,728 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 08:38:04,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:04,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2194 states and 2512 transitions. [2018-12-09 08:38:04,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states and 2512 transitions. [2018-12-09 08:38:04,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-09 08:38:04,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:04,175 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 08:38:04,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:04,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2195 states and 2513 transitions. [2018-12-09 08:38:04,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2513 transitions. [2018-12-09 08:38:04,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 08:38:04,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:06,721 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 08:38:10,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:10,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2234 states and 2555 transitions. [2018-12-09 08:38:10,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 2555 transitions. [2018-12-09 08:38:10,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 08:38:10,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 08:38:10,880 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2018-12-09 08:38:12,564 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2018-12-09 08:38:14,453 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-12-09 08:38:16,528 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-09 08:38:22,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:22,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2297 states and 2620 transitions. [2018-12-09 08:38:22,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2297 states and 2620 transitions. [2018-12-09 08:38:22,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 08:38:22,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:22,455 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 08:38:23,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:23,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2308 states and 2630 transitions. [2018-12-09 08:38:23,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 2630 transitions. [2018-12-09 08:38:23,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 08:38:23,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:23,360 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 08:38:23,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:23,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2313 states and 2634 transitions. [2018-12-09 08:38:23,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 2634 transitions. [2018-12-09 08:38:23,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-09 08:38:23,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-09 08:38:24,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:24,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2340 states and 2662 transitions. [2018-12-09 08:38:24,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 2662 transitions. [2018-12-09 08:38:24,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-09 08:38:24,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:24,147 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-09 08:38:24,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:24,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2341 states and 2664 transitions. [2018-12-09 08:38:24,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2341 states and 2664 transitions. [2018-12-09 08:38:24,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 08:38:24,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:26,015 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 235 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 08:38:32,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:32,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2358 states and 2692 transitions. [2018-12-09 08:38:32,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 2692 transitions. [2018-12-09 08:38:32,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 08:38:32,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:33,026 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 235 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 08:38:33,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:33,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 2362 states and 2695 transitions. [2018-12-09 08:38:33,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2695 transitions. [2018-12-09 08:38:33,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 08:38:33,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:33,923 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 235 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 08:38:34,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:34,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2363 states and 2696 transitions. [2018-12-09 08:38:34,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 2696 transitions. [2018-12-09 08:38:34,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-09 08:38:34,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:34,490 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-09 08:38:35,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:35,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2391 states and 2725 transitions. [2018-12-09 08:38:35,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 2725 transitions. [2018-12-09 08:38:35,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-09 08:38:35,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:35,205 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:38:36,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:36,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2397 states and 2730 transitions. [2018-12-09 08:38:36,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 2730 transitions. [2018-12-09 08:38:36,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-09 08:38:36,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:36,698 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-09 08:38:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:37,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2398 states and 2731 transitions. [2018-12-09 08:38:37,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 2731 transitions. [2018-12-09 08:38:37,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-09 08:38:37,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:37,085 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 08:38:38,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:38,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2431 states and 2771 transitions. [2018-12-09 08:38:38,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 2771 transitions. [2018-12-09 08:38:38,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-09 08:38:38,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:38,213 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 249 proven. 42 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 08:38:38,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:38,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2433 states and 2774 transitions. [2018-12-09 08:38:38,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 2774 transitions. [2018-12-09 08:38:38,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-09 08:38:38,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:38,810 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 149 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 08:38:39,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:39,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2437 states and 2781 transitions. [2018-12-09 08:38:39,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 2781 transitions. [2018-12-09 08:38:39,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-09 08:38:39,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:39,772 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 149 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 08:38:40,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:40,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 2449 states and 2795 transitions. [2018-12-09 08:38:40,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 2795 transitions. [2018-12-09 08:38:40,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-09 08:38:40,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:41,151 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 149 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 08:38:41,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:41,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2454 states and 2799 transitions. [2018-12-09 08:38:41,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 2799 transitions. [2018-12-09 08:38:41,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-09 08:38:41,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:41,608 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 08:38:46,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:46,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2612 states and 2963 transitions. [2018-12-09 08:38:46,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 2963 transitions. [2018-12-09 08:38:46,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-12-09 08:38:46,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:46,477 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 232 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-09 08:38:47,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:47,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 2667 states and 3019 transitions. [2018-12-09 08:38:47,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3019 transitions. [2018-12-09 08:38:47,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-09 08:38:47,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:47,377 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 08:38:49,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 2671 states and 3031 transitions. [2018-12-09 08:38:49,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 3031 transitions. [2018-12-09 08:38:49,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-09 08:38:49,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:49,386 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 08:38:50,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:50,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3049 states to 2687 states and 3049 transitions. [2018-12-09 08:38:50,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2687 states and 3049 transitions. [2018-12-09 08:38:50,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-09 08:38:50,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:50,677 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-09 08:38:51,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:51,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 2696 states and 3060 transitions. [2018-12-09 08:38:51,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3060 transitions. [2018-12-09 08:38:51,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-09 08:38:51,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:51,684 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-09 08:38:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:52,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 2699 states and 3062 transitions. [2018-12-09 08:38:52,413 INFO L276 IsEmpty]: Start isEmpty. Operand 2699 states and 3062 transitions. [2018-12-09 08:38:52,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-09 08:38:52,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:52,471 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-09 08:38:52,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:52,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 2700 states and 3062 transitions. [2018-12-09 08:38:52,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2700 states and 3062 transitions. [2018-12-09 08:38:52,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-09 08:38:52,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-09 08:38:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:53,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 2701 states and 3062 transitions. [2018-12-09 08:38:53,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 3062 transitions. [2018-12-09 08:38:53,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-09 08:38:53,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:53,244 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 08:38:53,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:53,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 2709 states and 3069 transitions. [2018-12-09 08:38:53,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2709 states and 3069 transitions. [2018-12-09 08:38:53,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-09 08:38:53,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:53,310 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 08:38:54,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:54,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3073 states to 2712 states and 3073 transitions. [2018-12-09 08:38:54,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3073 transitions. [2018-12-09 08:38:54,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-09 08:38:54,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:54,656 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 261 proven. 4 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-12-09 08:38:55,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:38:55,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3093 states to 2730 states and 3093 transitions. [2018-12-09 08:38:55,631 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3093 transitions. [2018-12-09 08:38:55,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-09 08:38:55,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:38:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:38:55,679 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-09 08:39:00,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:39:00,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 2755 states and 3125 transitions. [2018-12-09 08:39:00,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3125 transitions. [2018-12-09 08:39:00,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-09 08:39:00,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:39:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:39:00,163 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-09 08:39:01,773 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-09 08:39:02,118 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2018-12-09 08:39:04,354 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2018-12-09 08:39:05,772 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-09 08:39:11,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:39:11,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3182 states to 2807 states and 3182 transitions. [2018-12-09 08:39:11,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3182 transitions. [2018-12-09 08:39:11,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-09 08:39:11,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:39:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:39:11,478 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 08:39:12,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:39:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 2827 states and 3204 transitions. [2018-12-09 08:39:12,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 3204 transitions. [2018-12-09 08:39:12,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-09 08:39:12,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:39:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:39:12,290 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 08:39:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:39:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 2831 states and 3208 transitions. [2018-12-09 08:39:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3208 transitions. [2018-12-09 08:39:12,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-09 08:39:12,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:39:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:39:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 08:39:14,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:39:14,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 2835 states and 3214 transitions. [2018-12-09 08:39:14,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3214 transitions. [2018-12-09 08:39:14,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-09 08:39:14,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:39:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:39:14,685 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 177 proven. 15 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-09 08:39:15,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:39:15,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 2839 states and 3219 transitions. [2018-12-09 08:39:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3219 transitions. [2018-12-09 08:39:15,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 08:39:15,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:39:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:39:15,246 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 18 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2018-12-09 08:39:19,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:39:19,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3297 states to 2911 states and 3297 transitions. [2018-12-09 08:39:19,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2911 states and 3297 transitions. [2018-12-09 08:39:19,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 08:39:19,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:39:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:39:19,952 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 18 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2018-12-09 08:39:20,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:39:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 2928 states and 3312 transitions. [2018-12-09 08:39:20,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 3312 transitions. [2018-12-09 08:39:20,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-09 08:39:20,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:39:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:39:20,572 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 190 proven. 15 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-09 08:39:21,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:39:21,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 2934 states and 3327 transitions. [2018-12-09 08:39:21,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 3327 transitions. [2018-12-09 08:39:21,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 08:39:21,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:39:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:39:21,991 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 248 proven. 15 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-12-09 08:39:22,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:39:22,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 2936 states and 3329 transitions. [2018-12-09 08:39:22,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2936 states and 3329 transitions. [2018-12-09 08:39:22,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 08:39:22,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:39:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:39:22,460 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 195 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-09 08:39:23,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:39:23,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 2980 states and 3372 transitions. [2018-12-09 08:39:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2980 states and 3372 transitions. [2018-12-09 08:39:23,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 08:39:23,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:39:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:39:27,474 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-09 08:39:29,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:39:29,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3374 states to 2981 states and 3374 transitions. [2018-12-09 08:39:29,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2981 states and 3374 transitions. [2018-12-09 08:39:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 08:39:29,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:39:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:39:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 354 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 08:39:43,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:39:43,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 3039 states and 3436 transitions. [2018-12-09 08:39:43,520 INFO L276 IsEmpty]: Start isEmpty. Operand 3039 states and 3436 transitions. [2018-12-09 08:39:43,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 08:39:43,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:39:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:39:43,591 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 354 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 08:39:45,367 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 23 [2018-12-09 08:39:45,882 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-09 08:39:49,803 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-09 08:39:56,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:39:56,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 3081 states and 3480 transitions. [2018-12-09 08:39:56,254 INFO L276 IsEmpty]: Start isEmpty. Operand 3081 states and 3480 transitions. [2018-12-09 08:39:56,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 08:39:56,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:39:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:39:56,332 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 354 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 08:39:57,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:39:57,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3086 states and 3489 transitions. [2018-12-09 08:39:57,179 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 3489 transitions. [2018-12-09 08:39:57,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 08:39:57,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:39:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:39:57,250 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 354 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 08:39:59,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:39:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3507 states to 3105 states and 3507 transitions. [2018-12-09 08:39:59,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3105 states and 3507 transitions. [2018-12-09 08:39:59,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-09 08:39:59,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:39:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:39:59,124 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-09 08:40:00,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:00,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3535 states to 3132 states and 3535 transitions. [2018-12-09 08:40:00,771 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 3535 transitions. [2018-12-09 08:40:00,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-09 08:40:00,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:02,427 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 428 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 08:40:07,976 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-09 08:40:10,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:10,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3174 states and 3582 transitions. [2018-12-09 08:40:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 3582 transitions. [2018-12-09 08:40:10,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-09 08:40:10,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:10,998 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-09 08:40:11,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 3193 states and 3600 transitions. [2018-12-09 08:40:11,579 INFO L276 IsEmpty]: Start isEmpty. Operand 3193 states and 3600 transitions. [2018-12-09 08:40:11,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-09 08:40:11,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:13,018 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 351 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-09 08:40:16,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:16,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3203 states and 3615 transitions. [2018-12-09 08:40:16,381 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 3615 transitions. [2018-12-09 08:40:16,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-09 08:40:16,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:16,525 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 267 proven. 8 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-12-09 08:40:22,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:22,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3324 states and 3743 transitions. [2018-12-09 08:40:22,738 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 3743 transitions. [2018-12-09 08:40:22,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-09 08:40:22,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 267 proven. 8 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-12-09 08:40:29,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:29,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3795 states to 3377 states and 3795 transitions. [2018-12-09 08:40:29,147 INFO L276 IsEmpty]: Start isEmpty. Operand 3377 states and 3795 transitions. [2018-12-09 08:40:29,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-09 08:40:29,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:29,225 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 267 proven. 8 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-12-09 08:40:34,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:34,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3844 states to 3426 states and 3844 transitions. [2018-12-09 08:40:34,218 INFO L276 IsEmpty]: Start isEmpty. Operand 3426 states and 3844 transitions. [2018-12-09 08:40:34,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-09 08:40:34,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 267 proven. 8 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-12-09 08:40:34,647 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-09 08:40:36,487 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-09 08:40:40,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:40,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3897 states to 3480 states and 3897 transitions. [2018-12-09 08:40:40,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3480 states and 3897 transitions. [2018-12-09 08:40:40,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-12-09 08:40:40,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:40,848 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 378 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-09 08:40:44,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:44,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3958 states to 3539 states and 3958 transitions. [2018-12-09 08:40:44,525 INFO L276 IsEmpty]: Start isEmpty. Operand 3539 states and 3958 transitions. [2018-12-09 08:40:44,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-12-09 08:40:44,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:44,620 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 378 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-09 08:40:44,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:44,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3962 states to 3544 states and 3962 transitions. [2018-12-09 08:40:44,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 3962 transitions. [2018-12-09 08:40:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-12-09 08:40:44,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:45,032 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 378 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-09 08:40:45,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:45,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3966 states to 3549 states and 3966 transitions. [2018-12-09 08:40:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 3966 transitions. [2018-12-09 08:40:45,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-09 08:40:45,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:45,457 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 401 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 08:40:45,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:45,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3551 states and 3968 transitions. [2018-12-09 08:40:45,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3551 states and 3968 transitions. [2018-12-09 08:40:45,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-09 08:40:45,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:45,983 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 300 proven. 8 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-09 08:40:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:46,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4005 states to 3589 states and 4005 transitions. [2018-12-09 08:40:46,117 INFO L276 IsEmpty]: Start isEmpty. Operand 3589 states and 4005 transitions. [2018-12-09 08:40:46,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-09 08:40:46,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:46,592 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 377 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-09 08:40:49,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:49,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4012 states to 3595 states and 4012 transitions. [2018-12-09 08:40:49,237 INFO L276 IsEmpty]: Start isEmpty. Operand 3595 states and 4012 transitions. [2018-12-09 08:40:49,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 08:40:49,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:49,562 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 08:40:52,255 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 24 [2018-12-09 08:40:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:53,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4035 states to 3616 states and 4035 transitions. [2018-12-09 08:40:53,660 INFO L276 IsEmpty]: Start isEmpty. Operand 3616 states and 4035 transitions. [2018-12-09 08:40:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-09 08:40:53,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:54,002 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 08:40:54,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4057 states to 3636 states and 4057 transitions. [2018-12-09 08:40:54,991 INFO L276 IsEmpty]: Start isEmpty. Operand 3636 states and 4057 transitions. [2018-12-09 08:40:54,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-09 08:40:54,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:55,055 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 08:40:56,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:56,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4088 states to 3668 states and 4088 transitions. [2018-12-09 08:40:56,978 INFO L276 IsEmpty]: Start isEmpty. Operand 3668 states and 4088 transitions. [2018-12-09 08:40:56,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-09 08:40:56,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:57,482 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-09 08:40:58,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:58,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 3746 states and 4168 transitions. [2018-12-09 08:40:58,712 INFO L276 IsEmpty]: Start isEmpty. Operand 3746 states and 4168 transitions. [2018-12-09 08:40:58,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-09 08:40:58,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:40:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2018-12-09 08:40:59,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:40:59,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 3747 states and 4168 transitions. [2018-12-09 08:40:59,109 INFO L276 IsEmpty]: Start isEmpty. Operand 3747 states and 4168 transitions. [2018-12-09 08:40:59,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-12-09 08:40:59,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:40:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:41:00,089 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 474 proven. 8 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-09 08:41:03,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:41:03,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4207 states to 3777 states and 4207 transitions. [2018-12-09 08:41:03,314 INFO L276 IsEmpty]: Start isEmpty. Operand 3777 states and 4207 transitions. [2018-12-09 08:41:03,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-09 08:41:03,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:41:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:41:04,034 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 08:41:11,662 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2018-12-09 08:41:14,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:41:14,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 3843 states and 4272 transitions. [2018-12-09 08:41:14,594 INFO L276 IsEmpty]: Start isEmpty. Operand 3843 states and 4272 transitions. [2018-12-09 08:41:14,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-09 08:41:14,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:41:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:41:15,192 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 08:41:15,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:41:15,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4274 states to 3846 states and 4274 transitions. [2018-12-09 08:41:15,816 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 4274 transitions. [2018-12-09 08:41:15,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-09 08:41:15,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:41:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:41:15,896 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 474 proven. 8 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-09 08:41:16,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:41:16,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4327 states to 3899 states and 4327 transitions. [2018-12-09 08:41:16,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3899 states and 4327 transitions. [2018-12-09 08:41:16,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-09 08:41:16,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:41:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:41:16,539 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 474 proven. 8 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-09 08:41:19,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:41:19,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4334 states to 3907 states and 4334 transitions. [2018-12-09 08:41:19,256 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 4334 transitions. [2018-12-09 08:41:19,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-09 08:41:19,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:41:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:41:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-12-09 08:41:20,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:41:20,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4407 states to 3981 states and 4407 transitions. [2018-12-09 08:41:20,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4407 transitions. [2018-12-09 08:41:20,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-12-09 08:41:20,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:41:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:41:20,618 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 495 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-09 08:41:21,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:41:21,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4409 states to 3982 states and 4409 transitions. [2018-12-09 08:41:21,227 INFO L276 IsEmpty]: Start isEmpty. Operand 3982 states and 4409 transitions. [2018-12-09 08:41:21,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-09 08:41:21,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:41:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:41:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 510 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-12-09 08:41:23,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:41:23,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4459 states to 4030 states and 4459 transitions. [2018-12-09 08:41:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 4030 states and 4459 transitions. [2018-12-09 08:41:23,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-09 08:41:23,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:41:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:41:23,498 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 510 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-12-09 08:41:26,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:41:26,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4488 states to 4061 states and 4488 transitions. [2018-12-09 08:41:26,014 INFO L276 IsEmpty]: Start isEmpty. Operand 4061 states and 4488 transitions. [2018-12-09 08:41:26,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-09 08:41:26,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:41:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:41:26,111 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 27 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2018-12-09 08:41:29,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:41:29,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4502 states to 4075 states and 4502 transitions. [2018-12-09 08:41:29,623 INFO L276 IsEmpty]: Start isEmpty. Operand 4075 states and 4502 transitions. [2018-12-09 08:41:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-09 08:41:29,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:41:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:41:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 27 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2018-12-09 08:41:30,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:41:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4504 states to 4078 states and 4504 transitions. [2018-12-09 08:41:30,414 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 4504 transitions. [2018-12-09 08:41:30,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-09 08:41:30,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:41:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:41:31,811 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 75 proven. 400 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-09 08:41:41,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:41:41,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4577 states to 4135 states and 4577 transitions. [2018-12-09 08:41:41,946 INFO L276 IsEmpty]: Start isEmpty. Operand 4135 states and 4577 transitions. [2018-12-09 08:41:41,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 08:41:41,951 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 181 iterations. [2018-12-09 08:41:41,967 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 08:41:42,172 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 42 [2018-12-09 08:41:42,302 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-09 08:41:42,547 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 17 [2018-12-09 08:41:42,764 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2018-12-09 08:41:42,934 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2018-12-09 08:41:43,140 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-09 08:41:43,334 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-12-09 08:41:43,527 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2018-12-09 08:41:43,728 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 17 [2018-12-09 08:41:43,931 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-12-09 08:41:44,154 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-09 08:41:44,292 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-09 08:41:44,423 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-09 08:41:44,527 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 17 [2018-12-09 08:41:44,678 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-12-09 08:41:44,808 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 17 [2018-12-09 08:41:44,944 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 17 [2018-12-09 08:41:45,046 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 17 [2018-12-09 08:41:45,188 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 17 [2018-12-09 08:41:45,428 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 17 [2018-12-09 08:41:45,559 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-09 08:41:45,691 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 17 [2018-12-09 08:41:45,818 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-09 08:41:46,054 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 56 [2018-12-09 08:41:46,272 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-09 08:41:46,527 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2018-12-09 08:41:46,660 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 17 [2018-12-09 08:41:46,818 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-12-09 08:41:46,949 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-12-09 08:41:47,101 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2018-12-09 08:41:47,222 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-12-09 08:41:47,332 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 17 [2018-12-09 08:41:47,493 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2018-12-09 08:41:47,608 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-12-09 08:41:47,915 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 48 [2018-12-09 08:41:48,117 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2018-12-09 08:41:48,256 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-12-09 08:41:48,432 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-12-09 08:41:48,578 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 17 [2018-12-09 08:41:48,817 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-09 08:41:49,039 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-12-09 08:41:49,171 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-12-09 08:41:49,612 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 17 [2018-12-09 08:41:49,772 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2018-12-09 08:41:49,968 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 17 [2018-12-09 08:41:50,227 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2018-12-09 08:41:50,352 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-09 08:41:50,663 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 17 [2018-12-09 08:41:50,839 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 42 [2018-12-09 08:41:51,131 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-12-09 08:41:51,278 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 17 [2018-12-09 08:41:51,444 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2018-12-09 08:41:51,625 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 17 [2018-12-09 08:41:51,727 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 17 [2018-12-09 08:41:51,922 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 48 [2018-12-09 08:41:52,221 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-09 08:41:52,221 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 08:41:52,223 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-09 08:41:52,227 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-09 08:41:52,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 08:41:52 ImpRootNode [2018-12-09 08:41:52,228 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 08:41:52,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:41:52,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:41:52,228 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:41:52,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:36:45" (3/4) ... [2018-12-09 08:41:52,231 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 08:41:52,240 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-09 08:41:52,241 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-09 08:41:52,241 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 08:41:52,242 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 08:41:52,298 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fbc4e4d1-72cc-4e05-801a-c28b4d060b28/bin-2019/ukojak/witness.graphml [2018-12-09 08:41:52,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:41:52,299 INFO L168 Benchmark]: Toolchain (without parser) took 307870.71 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 850.4 MB). Free memory was 951.7 MB in the beginning and 918.8 MB in the end (delta: 32.9 MB). Peak memory consumption was 883.3 MB. Max. memory is 11.5 GB. [2018-12-09 08:41:52,299 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:41:52,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -145.1 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:41:52,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:41:52,300 INFO L168 Benchmark]: Boogie Preprocessor took 28.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:41:52,300 INFO L168 Benchmark]: RCFGBuilder took 1066.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 862.9 MB in the end (delta: 223.2 MB). Peak memory consumption was 223.2 MB. Max. memory is 11.5 GB. [2018-12-09 08:41:52,300 INFO L168 Benchmark]: CodeCheck took 306365.02 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 741.9 MB). Free memory was 862.9 MB in the beginning and 937.9 MB in the end (delta: -75.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-09 08:41:52,300 INFO L168 Benchmark]: Witness Printer took 70.33 ms. Allocated memory is still 1.9 GB. Free memory was 937.9 MB in the beginning and 918.8 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-12-09 08:41:52,301 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 296.0s OverallTime, 181 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1341865980 SDtfs, 1857046138 SDslu, -534945512 SDs, 0 SdLazy, -371102342 SolverSat, 431093916 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 951.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 239409 GetRequests, 232197 SyntacticMatches, 5458 SemanticMatches, 1754 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2279453 ImplicationChecksByTransitivity, 263.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 24.7s InterpolantComputationTime, 36431 NumberOfCodeBlocks, 36431 NumberOfCodeBlocksAsserted, 180 NumberOfCheckSat, 36251 ConstructedInterpolants, 0 QuantifiedInterpolants, 33345153 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 180 InterpolantComputations, 120 PerfectInterpolantSequences, 38515/39643 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 514]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((a11 == 1 || !(a28 == 9 && a17 == 7)) || !(a19 == 1)) || a25 == 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a11 == 1 || !(a28 == 9 && a17 == 7)) || a25 == 1) || !(a19 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 297.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -145.1 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1066.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 862.9 MB in the end (delta: 223.2 MB). Peak memory consumption was 223.2 MB. Max. memory is 11.5 GB. * CodeCheck took 306365.02 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 741.9 MB). Free memory was 862.9 MB in the beginning and 937.9 MB in the end (delta: -75.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 70.33 ms. Allocated memory is still 1.9 GB. Free memory was 937.9 MB in the beginning and 918.8 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...