./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label09_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c14a5518-9511-4e63-9a38-49be9ada24b6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c14a5518-9511-4e63-9a38-49be9ada24b6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c14a5518-9511-4e63-9a38-49be9ada24b6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c14a5518-9511-4e63-9a38-49be9ada24b6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label09_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c14a5518-9511-4e63-9a38-49be9ada24b6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c14a5518-9511-4e63-9a38-49be9ada24b6/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31179e70784aebb46d762aef4da1a2ff63bbff38 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:35:56,800 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:35:56,801 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:35:56,808 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:35:56,808 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:35:56,809 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:35:56,810 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:35:56,811 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:35:56,812 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:35:56,813 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:35:56,814 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:35:56,814 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:35:56,815 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:35:56,815 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:35:56,816 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:35:56,816 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:35:56,817 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:35:56,818 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:35:56,819 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:35:56,820 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:35:56,820 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:35:56,821 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:35:56,823 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:35:56,823 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:35:56,823 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:35:56,824 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:35:56,825 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:35:56,825 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:35:56,825 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:35:56,826 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:35:56,826 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:35:56,826 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:35:56,827 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:35:56,827 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:35:56,827 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:35:56,828 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:35:56,828 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c14a5518-9511-4e63-9a38-49be9ada24b6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 06:35:56,836 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:35:56,836 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:35:56,837 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:35:56,837 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 06:35:56,838 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:35:56,838 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:35:56,838 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:35:56,838 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:35:56,838 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:35:56,838 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:35:56,838 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:35:56,839 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:35:56,839 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:35:56,839 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:35:56,839 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:35:56,839 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:35:56,839 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:35:56,839 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:35:56,839 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 06:35:56,840 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 06:35:56,840 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:35:56,840 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:35:56,840 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 06:35:56,840 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:35:56,840 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:35:56,840 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:35:56,840 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 06:35:56,841 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:35:56,841 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:35:56,841 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_c14a5518-9511-4e63-9a38-49be9ada24b6/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31179e70784aebb46d762aef4da1a2ff63bbff38 [2018-11-23 06:35:56,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:35:56,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:35:56,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:35:56,879 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:35:56,879 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:35:56,879 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c14a5518-9511-4e63-9a38-49be9ada24b6/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label09_true-unreach-call_false-termination.c [2018-11-23 06:35:56,927 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c14a5518-9511-4e63-9a38-49be9ada24b6/bin-2019/ukojak/data/0986c04db/e5db19798ce74695aa83e5b970f326dc/FLAG6908da421 [2018-11-23 06:35:57,301 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:35:57,301 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c14a5518-9511-4e63-9a38-49be9ada24b6/sv-benchmarks/c/eca-rers2012/Problem01_label09_true-unreach-call_false-termination.c [2018-11-23 06:35:57,311 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c14a5518-9511-4e63-9a38-49be9ada24b6/bin-2019/ukojak/data/0986c04db/e5db19798ce74695aa83e5b970f326dc/FLAG6908da421 [2018-11-23 06:35:57,324 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c14a5518-9511-4e63-9a38-49be9ada24b6/bin-2019/ukojak/data/0986c04db/e5db19798ce74695aa83e5b970f326dc [2018-11-23 06:35:57,327 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:35:57,328 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:35:57,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:35:57,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:35:57,333 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:35:57,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:35:57" (1/1) ... [2018-11-23 06:35:57,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22877cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:57, skipping insertion in model container [2018-11-23 06:35:57,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:35:57" (1/1) ... [2018-11-23 06:35:57,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:35:57,383 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:35:57,625 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:35:57,629 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:35:57,700 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:35:57,713 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:35:57,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:57 WrapperNode [2018-11-23 06:35:57,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:35:57,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:35:57,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:35:57,715 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:35:57,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:57" (1/1) ... [2018-11-23 06:35:57,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:57" (1/1) ... [2018-11-23 06:35:57,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:35:57,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:35:57,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:35:57,833 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:35:57,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:57" (1/1) ... [2018-11-23 06:35:57,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:57" (1/1) ... [2018-11-23 06:35:57,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:57" (1/1) ... [2018-11-23 06:35:57,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:57" (1/1) ... [2018-11-23 06:35:57,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:57" (1/1) ... [2018-11-23 06:35:57,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:57" (1/1) ... [2018-11-23 06:35:57,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:57" (1/1) ... [2018-11-23 06:35:57,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:35:57,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:35:57,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:35:57,878 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:35:57,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:35:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c14a5518-9511-4e63-9a38-49be9ada24b6/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 [2018-11-23 06:35:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 06:35:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:35:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:35:59,324 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:35:59,325 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 06:35:59,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:35:59 BoogieIcfgContainer [2018-11-23 06:35:59,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:35:59,326 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 06:35:59,326 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 06:35:59,334 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 06:35:59,334 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:35:59" (1/1) ... [2018-11-23 06:35:59,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:35:59,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:35:59,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-23 06:35:59,372 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-23 06:35:59,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 06:35:59,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:35:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:35:59,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:36:00,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:00,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2018-11-23 06:36:00,096 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2018-11-23 06:36:00,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 06:36:00,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:00,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:36:00,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:00,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2018-11-23 06:36:00,293 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2018-11-23 06:36:00,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 06:36:00,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:00,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:36:00,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:00,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2018-11-23 06:36:00,418 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2018-11-23 06:36:00,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 06:36:00,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:00,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 06:36:00,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:00,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 230 states and 325 transitions. [2018-11-23 06:36:00,946 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 325 transitions. [2018-11-23 06:36:00,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 06:36:00,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:01,011 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 06:36:01,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:01,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 252 states and 354 transitions. [2018-11-23 06:36:01,313 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 354 transitions. [2018-11-23 06:36:01,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 06:36:01,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:01,455 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 06:36:01,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:01,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 262 states and 370 transitions. [2018-11-23 06:36:01,859 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 370 transitions. [2018-11-23 06:36:01,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 06:36:01,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:01,889 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 06:36:01,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:01,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 267 states and 375 transitions. [2018-11-23 06:36:01,931 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 375 transitions. [2018-11-23 06:36:01,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 06:36:01,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:01,995 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 06:36:02,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 278 states and 397 transitions. [2018-11-23 06:36:02,575 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 397 transitions. [2018-11-23 06:36:02,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 06:36:02,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:02,605 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 06:36:02,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:02,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 284 states and 405 transitions. [2018-11-23 06:36:02,831 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 405 transitions. [2018-11-23 06:36:02,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 06:36:02,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:02,868 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 06:36:03,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:03,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 286 states and 407 transitions. [2018-11-23 06:36:03,013 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 407 transitions. [2018-11-23 06:36:03,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 06:36:03,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:03,053 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 06:36:03,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:03,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 289 states and 410 transitions. [2018-11-23 06:36:03,206 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 410 transitions. [2018-11-23 06:36:03,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 06:36:03,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:03,230 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 06:36:03,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:03,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 292 states and 413 transitions. [2018-11-23 06:36:03,354 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 413 transitions. [2018-11-23 06:36:03,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 06:36:03,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:03,384 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 06:36:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 298 states and 419 transitions. [2018-11-23 06:36:03,425 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 419 transitions. [2018-11-23 06:36:03,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 06:36:03,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:03,467 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 06:36:03,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:03,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 304 states and 429 transitions. [2018-11-23 06:36:03,864 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 429 transitions. [2018-11-23 06:36:03,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 06:36:03,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:03,895 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 06:36:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:04,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 310 states and 438 transitions. [2018-11-23 06:36:04,201 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 438 transitions. [2018-11-23 06:36:04,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 06:36:04,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:04,222 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 06:36:04,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:04,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 312 states and 440 transitions. [2018-11-23 06:36:04,253 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 440 transitions. [2018-11-23 06:36:04,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 06:36:04,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:04,371 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 06:36:04,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:04,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 317 states and 446 transitions. [2018-11-23 06:36:04,780 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 446 transitions. [2018-11-23 06:36:04,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 06:36:04,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 06:36:05,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:05,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 324 states and 456 transitions. [2018-11-23 06:36:05,344 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 456 transitions. [2018-11-23 06:36:05,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 06:36:05,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:05,379 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 06:36:05,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:05,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 329 states and 462 transitions. [2018-11-23 06:36:05,616 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 462 transitions. [2018-11-23 06:36:05,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 06:36:05,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:05,639 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 06:36:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:05,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 332 states and 465 transitions. [2018-11-23 06:36:05,766 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 465 transitions. [2018-11-23 06:36:05,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 06:36:05,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:05,788 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 06:36:05,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:05,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 346 states and 479 transitions. [2018-11-23 06:36:05,839 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 479 transitions. [2018-11-23 06:36:05,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-23 06:36:05,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:36:06,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:06,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 391 states and 528 transitions. [2018-11-23 06:36:06,289 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 528 transitions. [2018-11-23 06:36:06,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 06:36:06,290 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 06:36:06,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:06,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 398 states and 537 transitions. [2018-11-23 06:36:06,506 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 537 transitions. [2018-11-23 06:36:06,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 06:36:06,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:06,603 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 06:36:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:07,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 416 states and 557 transitions. [2018-11-23 06:36:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 557 transitions. [2018-11-23 06:36:07,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 06:36:07,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:07,383 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 06:36:09,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:09,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 444 states and 598 transitions. [2018-11-23 06:36:09,317 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 598 transitions. [2018-11-23 06:36:09,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 06:36:09,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:09,368 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 06:36:09,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:09,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 449 states and 602 transitions. [2018-11-23 06:36:09,782 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 602 transitions. [2018-11-23 06:36:09,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 06:36:09,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:10,089 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:36:11,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:11,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 514 states and 669 transitions. [2018-11-23 06:36:11,338 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 669 transitions. [2018-11-23 06:36:11,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 06:36:11,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:11,418 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 06:36:11,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:11,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 515 states and 669 transitions. [2018-11-23 06:36:11,466 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 669 transitions. [2018-11-23 06:36:11,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 06:36:11,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:12,007 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:36:13,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:13,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 583 states and 752 transitions. [2018-11-23 06:36:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 752 transitions. [2018-11-23 06:36:13,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 06:36:13,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:36:14,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:14,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 591 states and 760 transitions. [2018-11-23 06:36:14,608 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 760 transitions. [2018-11-23 06:36:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 06:36:14,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:14,757 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:36:15,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:15,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 660 states and 834 transitions. [2018-11-23 06:36:15,545 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 834 transitions. [2018-11-23 06:36:15,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 06:36:15,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:15,801 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 06:36:16,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:16,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 671 states and 850 transitions. [2018-11-23 06:36:16,536 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 850 transitions. [2018-11-23 06:36:16,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 06:36:16,537 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 06:36:16,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:16,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 674 states and 853 transitions. [2018-11-23 06:36:16,831 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 853 transitions. [2018-11-23 06:36:16,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 06:36:16,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:16,872 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 06:36:16,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:16,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 675 states and 853 transitions. [2018-11-23 06:36:16,892 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 853 transitions. [2018-11-23 06:36:16,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 06:36:16,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:17,225 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 06:36:18,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:18,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 697 states and 881 transitions. [2018-11-23 06:36:18,100 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 881 transitions. [2018-11-23 06:36:18,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 06:36:18,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:18,261 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 06:36:18,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:18,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 701 states and 886 transitions. [2018-11-23 06:36:18,602 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 886 transitions. [2018-11-23 06:36:18,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 06:36:18,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 06:36:19,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 706 states and 891 transitions. [2018-11-23 06:36:19,109 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 891 transitions. [2018-11-23 06:36:19,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 06:36:19,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:19,146 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 06:36:19,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 708 states and 893 transitions. [2018-11-23 06:36:19,174 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 893 transitions. [2018-11-23 06:36:19,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 06:36:19,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:19,197 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-23 06:36:19,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:19,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 719 states and 909 transitions. [2018-11-23 06:36:19,804 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 909 transitions. [2018-11-23 06:36:19,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 06:36:19,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:19,840 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-23 06:36:20,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:20,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 721 states and 910 transitions. [2018-11-23 06:36:20,017 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 910 transitions. [2018-11-23 06:36:20,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 06:36:20,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:20,192 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 106 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 06:36:21,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:21,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 740 states and 938 transitions. [2018-11-23 06:36:21,290 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 938 transitions. [2018-11-23 06:36:21,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 06:36:21,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 06:36:21,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 742 states and 940 transitions. [2018-11-23 06:36:21,520 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 940 transitions. [2018-11-23 06:36:21,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 06:36:21,521 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:22,056 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:36:25,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:25,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 810 states and 1022 transitions. [2018-11-23 06:36:25,838 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1022 transitions. [2018-11-23 06:36:25,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 06:36:25,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:25,940 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:36:26,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:26,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 829 states and 1043 transitions. [2018-11-23 06:36:26,979 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1043 transitions. [2018-11-23 06:36:26,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-23 06:36:26,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:27,037 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 121 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-23 06:36:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:28,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 899 states and 1120 transitions. [2018-11-23 06:36:28,066 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1120 transitions. [2018-11-23 06:36:28,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 06:36:28,067 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:28,397 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 06:36:29,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:29,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 906 states and 1135 transitions. [2018-11-23 06:36:29,950 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1135 transitions. [2018-11-23 06:36:29,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 06:36:29,951 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:29,981 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 06:36:30,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:30,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 908 states and 1139 transitions. [2018-11-23 06:36:30,220 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1139 transitions. [2018-11-23 06:36:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 06:36:30,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:30,259 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 06:36:30,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:30,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 909 states and 1139 transitions. [2018-11-23 06:36:30,512 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1139 transitions. [2018-11-23 06:36:30,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-23 06:36:30,513 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:30,582 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 06:36:30,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:30,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 912 states and 1142 transitions. [2018-11-23 06:36:30,978 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1142 transitions. [2018-11-23 06:36:30,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-23 06:36:30,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 06:36:32,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:32,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 957 states and 1194 transitions. [2018-11-23 06:36:32,019 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1194 transitions. [2018-11-23 06:36:32,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-23 06:36:32,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:32,055 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 06:36:32,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 960 states and 1198 transitions. [2018-11-23 06:36:32,234 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1198 transitions. [2018-11-23 06:36:32,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-23 06:36:32,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:32,273 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 06:36:32,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 963 states and 1201 transitions. [2018-11-23 06:36:32,496 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1201 transitions. [2018-11-23 06:36:32,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 06:36:32,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:33,297 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:36:37,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:37,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1032 states and 1288 transitions. [2018-11-23 06:36:37,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1288 transitions. [2018-11-23 06:36:37,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 06:36:37,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:37,652 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:36:38,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:38,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1051 states and 1310 transitions. [2018-11-23 06:36:38,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1310 transitions. [2018-11-23 06:36:38,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 06:36:38,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:39,288 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 06:36:40,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:40,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1092 states and 1355 transitions. [2018-11-23 06:36:40,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1355 transitions. [2018-11-23 06:36:40,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 06:36:40,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:40,947 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 06:36:41,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:41,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1106 states and 1369 transitions. [2018-11-23 06:36:41,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1369 transitions. [2018-11-23 06:36:41,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 06:36:41,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 133 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-23 06:36:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:41,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1135 states and 1398 transitions. [2018-11-23 06:36:41,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1398 transitions. [2018-11-23 06:36:41,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 06:36:41,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:42,515 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 06:36:43,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:43,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1139 states and 1405 transitions. [2018-11-23 06:36:44,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1405 transitions. [2018-11-23 06:36:44,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 06:36:44,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:44,132 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 06:36:44,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:44,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1142 states and 1409 transitions. [2018-11-23 06:36:44,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1409 transitions. [2018-11-23 06:36:44,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 06:36:44,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:45,080 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 06:36:45,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:45,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1212 states and 1482 transitions. [2018-11-23 06:36:45,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1482 transitions. [2018-11-23 06:36:45,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-23 06:36:45,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 06:36:46,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:46,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1237 states and 1507 transitions. [2018-11-23 06:36:46,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1507 transitions. [2018-11-23 06:36:46,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-23 06:36:46,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:47,220 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-23 06:36:50,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:50,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1285 states and 1562 transitions. [2018-11-23 06:36:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1562 transitions. [2018-11-23 06:36:50,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-23 06:36:50,634 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:50,783 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-23 06:36:51,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:51,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1285 states and 1561 transitions. [2018-11-23 06:36:51,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1561 transitions. [2018-11-23 06:36:51,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 06:36:51,161 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:51,534 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-11-23 06:36:51,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1290 states and 1568 transitions. [2018-11-23 06:36:51,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1568 transitions. [2018-11-23 06:36:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-23 06:36:51,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:51,896 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-11-23 06:36:52,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:52,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1360 states and 1641 transitions. [2018-11-23 06:36:52,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1641 transitions. [2018-11-23 06:36:52,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 06:36:52,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 06:36:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1375 states and 1660 transitions. [2018-11-23 06:36:55,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1660 transitions. [2018-11-23 06:36:55,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 06:36:55,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:55,226 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 06:36:55,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:55,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1378 states and 1664 transitions. [2018-11-23 06:36:55,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1664 transitions. [2018-11-23 06:36:55,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 06:36:55,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 06:36:56,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:56,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1381 states and 1668 transitions. [2018-11-23 06:36:56,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1668 transitions. [2018-11-23 06:36:56,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-23 06:36:56,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:56,461 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 189 proven. 11 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2018-11-23 06:36:57,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:36:57,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1384 states and 1674 transitions. [2018-11-23 06:36:57,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1674 transitions. [2018-11-23 06:36:57,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 06:36:57,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:36:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:36:58,674 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 06:37:03,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:37:03,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1418 states and 1714 transitions. [2018-11-23 06:37:03,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1714 transitions. [2018-11-23 06:37:03,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 06:37:03,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:37:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:37:03,508 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 06:37:04,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:37:04,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1423 states and 1719 transitions. [2018-11-23 06:37:04,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1719 transitions. [2018-11-23 06:37:04,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 06:37:04,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:37:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:37:06,234 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 06:37:12,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:37:12,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1473 states and 1773 transitions. [2018-11-23 06:37:12,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1773 transitions. [2018-11-23 06:37:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 06:37:12,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:37:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:37:12,410 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 06:37:13,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:37:13,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1478 states and 1781 transitions. [2018-11-23 06:37:13,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1781 transitions. [2018-11-23 06:37:13,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-23 06:37:13,599 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:37:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:37:13,904 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 316 proven. 13 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-23 06:37:15,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:37:15,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1489 states and 1794 transitions. [2018-11-23 06:37:15,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1794 transitions. [2018-11-23 06:37:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 06:37:15,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:37:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:37:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 06:37:22,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:37:22,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1533 states and 1844 transitions. [2018-11-23 06:37:22,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1844 transitions. [2018-11-23 06:37:22,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 06:37:22,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:37:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:37:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 06:37:25,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:37:25,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1548 states and 1861 transitions. [2018-11-23 06:37:25,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1861 transitions. [2018-11-23 06:37:25,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 06:37:25,257 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:37:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:37:25,393 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 06:37:25,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:37:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1551 states and 1863 transitions. [2018-11-23 06:37:25,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1863 transitions. [2018-11-23 06:37:25,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 06:37:25,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:37:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:37:25,883 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 06:37:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:37:27,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1563 states and 1874 transitions. [2018-11-23 06:37:27,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1874 transitions. [2018-11-23 06:37:27,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-23 06:37:27,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:37:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:37:27,334 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 282 proven. 5 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-11-23 06:37:27,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:37:27,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1569 states and 1881 transitions. [2018-11-23 06:37:27,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 1881 transitions. [2018-11-23 06:37:27,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-11-23 06:37:27,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:37:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:37:28,352 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 345 proven. 114 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-23 06:37:29,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:37:29,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1595 states and 1913 transitions. [2018-11-23 06:37:29,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 1913 transitions. [2018-11-23 06:37:29,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-11-23 06:37:29,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:37:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:37:29,680 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 345 proven. 114 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-23 06:37:29,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:37:29,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1596 states and 1913 transitions. [2018-11-23 06:37:29,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 1913 transitions. [2018-11-23 06:37:29,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-23 06:37:29,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:37:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:37:31,633 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 06:37:40,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:37:40,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 1709 states and 2063 transitions. [2018-11-23 06:37:40,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2063 transitions. [2018-11-23 06:37:40,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-11-23 06:37:40,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:37:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:37:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 423 proven. 10 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2018-11-23 06:37:41,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:37:41,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1571 states and 1920 transitions. [2018-11-23 06:37:41,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1920 transitions. [2018-11-23 06:37:41,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:37:41,666 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 84 iterations. [2018-11-23 06:37:41,672 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 06:37:42,071 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 33 [2018-11-23 06:37:42,343 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 25 [2018-11-23 06:37:42,457 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 35 [2018-11-23 06:37:42,563 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 35 [2018-11-23 06:37:42,878 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 35 [2018-11-23 06:37:43,018 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 35 [2018-11-23 06:37:43,129 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 35 [2018-11-23 06:37:43,416 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 35 [2018-11-23 06:37:43,542 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 29 [2018-11-23 06:37:43,643 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 33 [2018-11-23 06:37:44,380 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 35 [2018-11-23 06:37:44,985 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 25 [2018-11-23 06:37:45,356 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2018-11-23 06:37:45,603 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 53 [2018-11-23 06:37:45,983 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 33 [2018-11-23 06:37:46,267 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 35 [2018-11-23 06:37:46,284 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 06:37:46,287 INFO L579 CodeCheckObserver]: Invariant with dag size 25 [2018-11-23 06:37:46,292 INFO L579 CodeCheckObserver]: Invariant with dag size 25 [2018-11-23 06:37:46,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 06:37:46 ImpRootNode [2018-11-23 06:37:46,293 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 06:37:46,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:37:46,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:37:46,293 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:37:46,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:35:59" (3/4) ... [2018-11-23 06:37:46,296 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:37:46,310 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-11-23 06:37:46,311 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 06:37:46,313 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 06:37:46,314 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:37:46,399 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c14a5518-9511-4e63-9a38-49be9ada24b6/bin-2019/ukojak/witness.graphml [2018-11-23 06:37:46,399 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:37:46,400 INFO L168 Benchmark]: Toolchain (without parser) took 109072.05 ms. Allocated memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 949.0 MB in the beginning and 1.7 GB in the end (delta: -751.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-23 06:37:46,400 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:37:46,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.73 ms. Allocated memory is still 1.0 GB. Free memory was 949.0 MB in the beginning and 914.1 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:37:46,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 914.1 MB in the beginning and 1.2 GB in the end (delta: -240.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:37:46,401 INFO L168 Benchmark]: Boogie Preprocessor took 44.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:37:46,401 INFO L168 Benchmark]: RCFGBuilder took 1447.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.9 MB in the end (delta: 227.3 MB). Peak memory consumption was 227.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:37:46,401 INFO L168 Benchmark]: CodeCheck took 106967.12 ms. Allocated memory was 1.2 GB in the beginning and 3.1 GB in the end (delta: 1.9 GB). Free memory was 919.9 MB in the beginning and 1.7 GB in the end (delta: -823.5 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-11-23 06:37:46,402 INFO L168 Benchmark]: Witness Printer took 106.01 ms. Allocated memory is still 3.1 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:37:46,403 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 102.3s OverallTime, 84 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1908998780 SDtfs, -311802802 SDslu, -682138582 SDs, 0 SdLazy, 512001088 SolverSat, -1318797924 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 195.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97993 GetRequests, 94213 SyntacticMatches, 2624 SemanticMatches, 1156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972173 ImplicationChecksByTransitivity, 88.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 15.4s InterpolantComputationTime, 14820 NumberOfCodeBlocks, 14820 NumberOfCodeBlocksAsserted, 83 NumberOfCheckSat, 14737 ConstructedInterpolants, 0 QuantifiedInterpolants, 20625823 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 83 InterpolantComputations, 64 PerfectInterpolantSequences, 16412/16927 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 530]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a20 == 1 || !(a8 == 13)) || !(a7 == 1)) || ((((!(a21 == 1) && a16 == 4) && a17 == 1) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a7 == 1) || a20 == 1) || !(a8 == 13)) || ((((!(a21 == 1) && a16 == 4) && a17 == 1) && a12 == 8) && a20 <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.73 ms. Allocated memory is still 1.0 GB. Free memory was 949.0 MB in the beginning and 914.1 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 118.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 914.1 MB in the beginning and 1.2 GB in the end (delta: -240.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1447.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.9 MB in the end (delta: 227.3 MB). Peak memory consumption was 227.3 MB. Max. memory is 11.5 GB. * CodeCheck took 106967.12 ms. Allocated memory was 1.2 GB in the beginning and 3.1 GB in the end (delta: 1.9 GB). Free memory was 919.9 MB in the beginning and 1.7 GB in the end (delta: -823.5 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 106.01 ms. Allocated memory is still 3.1 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...