./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f3f06b68-6828-4a60-9ad5-9131e443a7e3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f3f06b68-6828-4a60-9ad5-9131e443a7e3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f3f06b68-6828-4a60-9ad5-9131e443a7e3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f3f06b68-6828-4a60-9ad5-9131e443a7e3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f3f06b68-6828-4a60-9ad5-9131e443a7e3/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f3f06b68-6828-4a60-9ad5-9131e443a7e3/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 64bit --witnessprinter.graph.data.programhash 34ea803bd640fd5dee7691db747a27648dd9c41d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:42:15,380 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:42:15,381 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:42:15,390 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:42:15,390 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:42:15,391 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:42:15,392 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:42:15,393 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:42:15,394 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:42:15,395 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:42:15,395 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:42:15,395 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:42:15,396 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:42:15,397 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:42:15,397 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:42:15,398 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:42:15,399 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:42:15,400 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:42:15,401 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:42:15,402 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:42:15,403 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:42:15,404 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:42:15,405 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:42:15,405 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:42:15,406 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:42:15,406 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:42:15,407 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:42:15,407 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:42:15,408 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:42:15,409 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:42:15,409 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:42:15,409 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:42:15,409 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:42:15,410 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:42:15,410 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:42:15,411 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:42:15,411 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f3f06b68-6828-4a60-9ad5-9131e443a7e3/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-11-23 12:42:15,420 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:42:15,420 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:42:15,421 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:42:15,421 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 12:42:15,421 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:42:15,421 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:42:15,422 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:42:15,422 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:42:15,422 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:42:15,422 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:42:15,422 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:42:15,422 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:42:15,422 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:42:15,423 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:42:15,423 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:42:15,423 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 12:42:15,423 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 12:42:15,423 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:42:15,423 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:42:15,423 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:42:15,424 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:42:15,424 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:42:15,424 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:42:15,424 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 12:42:15,424 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:42:15,424 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:42:15,425 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:42:15,425 INFO L133 SettingsManager]: * To the following directory=dump/ 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_f3f06b68-6828-4a60-9ad5-9131e443a7e3/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34ea803bd640fd5dee7691db747a27648dd9c41d [2018-11-23 12:42:15,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:42:15,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:42:15,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:42:15,460 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:42:15,460 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:42:15,461 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f3f06b68-6828-4a60-9ad5-9131e443a7e3/bin-2019/ukojak/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 12:42:15,499 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f3f06b68-6828-4a60-9ad5-9131e443a7e3/bin-2019/ukojak/data/ec29c04fb/8622c90914e04939a88180335abff284/FLAGc2def10e5 [2018-11-23 12:42:16,049 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:42:16,049 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f3f06b68-6828-4a60-9ad5-9131e443a7e3/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 12:42:16,072 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f3f06b68-6828-4a60-9ad5-9131e443a7e3/bin-2019/ukojak/data/ec29c04fb/8622c90914e04939a88180335abff284/FLAGc2def10e5 [2018-11-23 12:42:16,478 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f3f06b68-6828-4a60-9ad5-9131e443a7e3/bin-2019/ukojak/data/ec29c04fb/8622c90914e04939a88180335abff284 [2018-11-23 12:42:16,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:42:16,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:42:16,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:42:16,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:42:16,484 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:42:16,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:16" (1/1) ... [2018-11-23 12:42:16,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4167e7a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:16, skipping insertion in model container [2018-11-23 12:42:16,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:16" (1/1) ... [2018-11-23 12:42:16,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:42:16,556 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:42:17,520 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:42:17,536 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:42:17,690 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:42:17,803 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:42:17,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:17 WrapperNode [2018-11-23 12:42:17,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:42:17,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:42:17,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:42:17,804 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:42:17,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:17" (1/1) ... [2018-11-23 12:42:17,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:17" (1/1) ... [2018-11-23 12:42:17,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:42:17,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:42:17,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:42:17,888 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:42:17,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:17" (1/1) ... [2018-11-23 12:42:17,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:17" (1/1) ... [2018-11-23 12:42:17,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:17" (1/1) ... [2018-11-23 12:42:17,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:17" (1/1) ... [2018-11-23 12:42:17,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:17" (1/1) ... [2018-11-23 12:42:17,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:17" (1/1) ... [2018-11-23 12:42:17,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:17" (1/1) ... [2018-11-23 12:42:17,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:42:17,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:42:17,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:42:17,975 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:42:17,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f3f06b68-6828-4a60-9ad5-9131e443a7e3/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 12:42:18,007 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2018-11-23 12:42:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2018-11-23 12:42:18,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2018-11-23 12:42:18,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-23 12:42:18,008 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2018-11-23 12:42:18,008 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2018-11-23 12:42:18,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:42:18,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 12:42:18,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 12:42:18,009 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2018-11-23 12:42:18,009 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2018-11-23 12:42:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:42:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2018-11-23 12:42:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2018-11-23 12:42:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2018-11-23 12:42:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_poll_controller [2018-11-23 12:42:18,011 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_poll_controller [2018-11-23 12:42:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure clk_enable [2018-11-23 12:42:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 12:42:18,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 12:42:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2018-11-23 12:42:18,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2018-11-23 12:42:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 12:42:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2018-11-23 12:42:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:42:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2018-11-23 12:42:18,012 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2018-11-23 12:42:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 12:42:18,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 12:42:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_remove [2018-11-23 12:42:18,012 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_remove [2018-11-23 12:42:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2018-11-23 12:42:18,013 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2018-11-23 12:42:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2018-11-23 12:42:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 12:42:18,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 12:42:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2018-11-23 12:42:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2018-11-23 12:42:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_probe [2018-11-23 12:42:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure macb_ioctl [2018-11-23 12:42:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2018-11-23 12:42:18,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2018-11-23 12:42:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2018-11-23 12:42:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2018-11-23 12:42:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2018-11-23 12:42:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2018-11-23 12:42:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2018-11-23 12:42:18,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2018-11-23 12:42:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 12:42:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2018-11-23 12:42:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2018-11-23 12:42:18,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2018-11-23 12:42:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2018-11-23 12:42:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 12:42:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2018-11-23 12:42:18,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2018-11-23 12:42:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2018-11-23 12:42:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2018-11-23 12:42:18,016 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2018-11-23 12:42:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2018-11-23 12:42:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2018-11-23 12:42:18,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2018-11-23 12:42:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2018-11-23 12:42:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:42:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 12:42:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2018-11-23 12:42:18,016 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2018-11-23 12:42:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_stats [2018-11-23 12:42:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2018-11-23 12:42:18,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2018-11-23 12:42:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2018-11-23 12:42:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2018-11-23 12:42:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2018-11-23 12:42:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-23 12:42:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-11-23 12:42:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2018-11-23 12:42:18,017 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2018-11-23 12:42:18,018 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2018-11-23 12:42:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2018-11-23 12:42:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2018-11-23 12:42:18,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2018-11-23 12:42:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2018-11-23 12:42:18,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2018-11-23 12:42:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:42:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2018-11-23 12:42:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2018-11-23 12:42:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2018-11-23 12:42:18,019 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2018-11-23 12:42:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2018-11-23 12:42:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-23 12:42:18,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-23 12:42:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:42:18,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:42:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable [2018-11-23 12:42:19,949 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:42:19,949 INFO L280 CfgBuilder]: Removed 99 assue(true) statements. [2018-11-23 12:42:19,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:42:19 BoogieIcfgContainer [2018-11-23 12:42:19,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:42:19,950 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 12:42:19,950 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 12:42:19,957 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 12:42:19,958 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:42:19" (1/1) ... [2018-11-23 12:42:19,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:42:19,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:19,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 310 states and 439 transitions. [2018-11-23 12:42:19,998 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 439 transitions. [2018-11-23 12:42:20,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 12:42:20,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:20,260 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 12:42:20,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:20,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 315 states and 477 transitions. [2018-11-23 12:42:20,321 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 477 transitions. [2018-11-23 12:42:20,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 12:42:20,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:20,411 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 12:42:20,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:20,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 325 states and 527 transitions. [2018-11-23 12:42:20,546 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 527 transitions. [2018-11-23 12:42:20,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 12:42:20,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:20,610 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 12:42:20,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:20,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 326 states and 528 transitions. [2018-11-23 12:42:20,618 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 528 transitions. [2018-11-23 12:42:20,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 12:42:20,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:20,685 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 12:42:20,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:20,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 327 states and 529 transitions. [2018-11-23 12:42:20,693 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 529 transitions. [2018-11-23 12:42:20,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 12:42:20,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:20,777 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 12:42:20,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:20,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 330 states and 560 transitions. [2018-11-23 12:42:20,875 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 560 transitions. [2018-11-23 12:42:20,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 12:42:20,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:21,000 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 12:42:21,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:21,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 338 states and 606 transitions. [2018-11-23 12:42:21,233 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 606 transitions. [2018-11-23 12:42:21,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 12:42:21,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:21,330 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 12:42:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:21,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 337 states and 600 transitions. [2018-11-23 12:42:21,365 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 600 transitions. [2018-11-23 12:42:21,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 12:42:21,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:21,445 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 12:42:21,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:21,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 342 states and 635 transitions. [2018-11-23 12:42:21,899 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 635 transitions. [2018-11-23 12:42:21,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 12:42:21,900 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:21,942 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 12:42:22,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:22,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 344 states and 637 transitions. [2018-11-23 12:42:22,018 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 637 transitions. [2018-11-23 12:42:22,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 12:42:22,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 12:42:22,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:22,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 351 states and 680 transitions. [2018-11-23 12:42:22,344 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 680 transitions. [2018-11-23 12:42:22,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 12:42:22,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:22,377 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 12:42:22,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:22,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 352 states and 680 transitions. [2018-11-23 12:42:22,388 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 680 transitions. [2018-11-23 12:42:22,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 12:42:22,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 12:42:22,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:22,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 351 states and 672 transitions. [2018-11-23 12:42:22,494 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 672 transitions. [2018-11-23 12:42:22,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 12:42:22,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:22,527 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 12:42:22,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:22,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 352 states and 673 transitions. [2018-11-23 12:42:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 673 transitions. [2018-11-23 12:42:22,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 12:42:22,533 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:22,559 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 12:42:22,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:22,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 353 states and 673 transitions. [2018-11-23 12:42:22,565 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 673 transitions. [2018-11-23 12:42:22,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 12:42:22,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:22,628 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 12:42:22,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:22,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 353 states and 666 transitions. [2018-11-23 12:42:22,671 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 666 transitions. [2018-11-23 12:42:22,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 12:42:22,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:22,695 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 12:42:23,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:23,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 356 states and 673 transitions. [2018-11-23 12:42:23,033 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 673 transitions. [2018-11-23 12:42:23,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 12:42:23,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:42:23,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:23,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 357 states and 674 transitions. [2018-11-23 12:42:23,075 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 674 transitions. [2018-11-23 12:42:23,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 12:42:23,076 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:23,116 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 12:42:23,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:23,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 360 states and 703 transitions. [2018-11-23 12:42:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 703 transitions. [2018-11-23 12:42:23,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 12:42:23,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:23,330 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 12:42:23,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:23,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 363 states and 707 transitions. [2018-11-23 12:42:23,345 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 707 transitions. [2018-11-23 12:42:23,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 12:42:23,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 12:42:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:23,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 366 states and 736 transitions. [2018-11-23 12:42:23,694 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 736 transitions. [2018-11-23 12:42:23,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 12:42:23,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:23,721 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 12:42:23,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:23,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 369 states and 739 transitions. [2018-11-23 12:42:23,732 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 739 transitions. [2018-11-23 12:42:23,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 12:42:23,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:23,762 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 12:42:23,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:23,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 378 states and 779 transitions. [2018-11-23 12:42:23,966 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 779 transitions. [2018-11-23 12:42:23,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 12:42:23,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:24,006 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 12:42:24,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:24,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 379 states and 779 transitions. [2018-11-23 12:42:24,019 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 779 transitions. [2018-11-23 12:42:24,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 12:42:24,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 12:42:24,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:24,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 380 states and 779 transitions. [2018-11-23 12:42:24,069 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 779 transitions. [2018-11-23 12:42:24,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 12:42:24,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:24,105 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 12:42:24,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:24,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 382 states and 781 transitions. [2018-11-23 12:42:24,239 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 781 transitions. [2018-11-23 12:42:24,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 12:42:24,240 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:24,294 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 12:42:24,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 385 states and 806 transitions. [2018-11-23 12:42:24,628 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 806 transitions. [2018-11-23 12:42:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 12:42:24,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:24,670 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:24,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:24,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 387 states and 810 transitions. [2018-11-23 12:42:24,690 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 810 transitions. [2018-11-23 12:42:24,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 12:42:24,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:24,730 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:24,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:24,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 388 states and 810 transitions. [2018-11-23 12:42:24,815 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 810 transitions. [2018-11-23 12:42:24,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 12:42:24,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:24,855 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 12:42:24,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:24,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 390 states and 812 transitions. [2018-11-23 12:42:24,999 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 812 transitions. [2018-11-23 12:42:24,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 12:42:24,999 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:25,027 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 12:42:25,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:25,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 398 states and 851 transitions. [2018-11-23 12:42:25,788 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 851 transitions. [2018-11-23 12:42:25,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 12:42:25,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:25,815 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 12:42:25,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 400 states and 876 transitions. [2018-11-23 12:42:25,969 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 876 transitions. [2018-11-23 12:42:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 12:42:25,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:26,004 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 12:42:26,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:26,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 403 states and 906 transitions. [2018-11-23 12:42:26,354 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 906 transitions. [2018-11-23 12:42:26,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 12:42:26,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:26,390 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 12:42:26,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:26,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 405 states and 907 transitions. [2018-11-23 12:42:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 907 transitions. [2018-11-23 12:42:26,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 12:42:26,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:26,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:26,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 408 states and 913 transitions. [2018-11-23 12:42:26,582 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 913 transitions. [2018-11-23 12:42:26,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 12:42:26,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:26,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 410 states and 916 transitions. [2018-11-23 12:42:26,625 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 916 transitions. [2018-11-23 12:42:26,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 12:42:26,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:26,651 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:26,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:26,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 411 states and 917 transitions. [2018-11-23 12:42:26,679 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 917 transitions. [2018-11-23 12:42:26,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 12:42:26,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:26,725 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 12:42:26,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:26,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 411 states and 912 transitions. [2018-11-23 12:42:26,740 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 912 transitions. [2018-11-23 12:42:26,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 12:42:26,741 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:26,781 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 12:42:27,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:27,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 414 states and 915 transitions. [2018-11-23 12:42:27,026 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 915 transitions. [2018-11-23 12:42:27,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 12:42:27,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:27,099 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 12:42:27,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:27,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 413 states and 900 transitions. [2018-11-23 12:42:27,158 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 900 transitions. [2018-11-23 12:42:27,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 12:42:27,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:27,183 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 12:42:27,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:27,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 416 states and 905 transitions. [2018-11-23 12:42:27,202 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 905 transitions. [2018-11-23 12:42:27,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:42:27,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:27,255 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 12:42:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 416 states and 900 transitions. [2018-11-23 12:42:27,276 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 900 transitions. [2018-11-23 12:42:27,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:42:27,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 12:42:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 423 states and 939 transitions. [2018-11-23 12:42:28,196 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 939 transitions. [2018-11-23 12:42:28,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:42:28,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:28,241 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 12:42:28,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:28,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 424 states and 940 transitions. [2018-11-23 12:42:28,262 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 940 transitions. [2018-11-23 12:42:28,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:42:28,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:28,297 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 12:42:28,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:28,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 427 states and 965 transitions. [2018-11-23 12:42:28,662 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 965 transitions. [2018-11-23 12:42:28,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:42:28,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:28,683 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 12:42:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 430 states and 989 transitions. [2018-11-23 12:42:28,997 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 989 transitions. [2018-11-23 12:42:28,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:42:28,997 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:29,021 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 12:42:29,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:29,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 435 states and 996 transitions. [2018-11-23 12:42:29,178 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 996 transitions. [2018-11-23 12:42:29,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:42:29,179 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 12:42:29,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 435 states and 994 transitions. [2018-11-23 12:42:29,329 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 994 transitions. [2018-11-23 12:42:29,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 12:42:29,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:29,357 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 12:42:29,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:29,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 438 states and 1001 transitions. [2018-11-23 12:42:29,541 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 1001 transitions. [2018-11-23 12:42:29,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 12:42:29,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:29,612 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 12:42:29,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:29,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 441 states and 1005 transitions. [2018-11-23 12:42:29,634 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1005 transitions. [2018-11-23 12:42:29,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 12:42:29,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 12:42:29,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:29,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 444 states and 1012 transitions. [2018-11-23 12:42:29,682 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 1012 transitions. [2018-11-23 12:42:29,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 12:42:29,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:29,716 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 12:42:29,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:29,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 446 states and 1015 transitions. [2018-11-23 12:42:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 1015 transitions. [2018-11-23 12:42:29,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 12:42:29,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:29,771 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 12:42:29,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:29,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 447 states and 1017 transitions. [2018-11-23 12:42:29,807 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1017 transitions. [2018-11-23 12:42:29,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 12:42:29,807 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:29,829 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 12:42:29,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:29,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 449 states and 1020 transitions. [2018-11-23 12:42:29,983 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 1020 transitions. [2018-11-23 12:42:29,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 12:42:29,984 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:30,047 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 12:42:30,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 451 states and 1021 transitions. [2018-11-23 12:42:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 1021 transitions. [2018-11-23 12:42:30,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:42:30,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:30,090 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 12:42:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:30,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 452 states and 1021 transitions. [2018-11-23 12:42:30,103 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 1021 transitions. [2018-11-23 12:42:30,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:42:30,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 12:42:30,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:30,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 454 states and 1023 transitions. [2018-11-23 12:42:30,144 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 1023 transitions. [2018-11-23 12:42:30,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:42:30,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:30,170 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 12:42:30,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:30,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 455 states and 1024 transitions. [2018-11-23 12:42:30,280 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 1024 transitions. [2018-11-23 12:42:30,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:42:30,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:30,434 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:42:31,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:31,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 458 states and 1028 transitions. [2018-11-23 12:42:31,033 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1028 transitions. [2018-11-23 12:42:31,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 12:42:31,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 12:42:32,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:32,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 475 states and 1095 transitions. [2018-11-23 12:42:32,979 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1095 transitions. [2018-11-23 12:42:32,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 12:42:32,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 12:42:33,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:33,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 478 states and 1099 transitions. [2018-11-23 12:42:33,042 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 1099 transitions. [2018-11-23 12:42:33,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 12:42:33,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:33,078 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 12:42:33,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:33,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 480 states and 1110 transitions. [2018-11-23 12:42:33,542 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1110 transitions. [2018-11-23 12:42:33,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 12:42:33,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:33,578 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 12:42:33,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:33,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 482 states and 1113 transitions. [2018-11-23 12:42:33,596 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 1113 transitions. [2018-11-23 12:42:33,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 12:42:33,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:33,638 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 12:42:33,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:33,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 483 states and 1115 transitions. [2018-11-23 12:42:33,664 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1115 transitions. [2018-11-23 12:42:33,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 12:42:33,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:33,756 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 12:42:34,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:34,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 489 states and 1147 transitions. [2018-11-23 12:42:34,549 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1147 transitions. [2018-11-23 12:42:34,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 12:42:34,550 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:34,569 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 12:42:34,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:34,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 491 states and 1172 transitions. [2018-11-23 12:42:34,833 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 1172 transitions. [2018-11-23 12:42:34,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 12:42:34,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:34,858 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 12:42:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:35,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 493 states and 1177 transitions. [2018-11-23 12:42:35,072 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 1177 transitions. [2018-11-23 12:42:35,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 12:42:35,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 12:42:35,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:35,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 494 states and 1177 transitions. [2018-11-23 12:42:35,216 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 1177 transitions. [2018-11-23 12:42:35,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 12:42:35,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 12:42:35,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:35,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 495 states and 1177 transitions. [2018-11-23 12:42:35,309 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 1177 transitions. [2018-11-23 12:42:35,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 12:42:35,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 12:42:35,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 496 states and 1177 transitions. [2018-11-23 12:42:35,449 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 1177 transitions. [2018-11-23 12:42:35,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 12:42:35,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:35,471 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 12:42:35,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:35,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 497 states and 1177 transitions. [2018-11-23 12:42:35,584 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 1177 transitions. [2018-11-23 12:42:35,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 12:42:35,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:35,608 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 12:42:35,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:35,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 500 states and 1180 transitions. [2018-11-23 12:42:35,737 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 1180 transitions. [2018-11-23 12:42:35,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 12:42:35,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:35,771 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 12:42:35,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:35,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 501 states and 1181 transitions. [2018-11-23 12:42:35,783 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 1181 transitions. [2018-11-23 12:42:35,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 12:42:35,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 12:42:35,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:35,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 503 states and 1183 transitions. [2018-11-23 12:42:35,851 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 1183 transitions. [2018-11-23 12:42:35,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 12:42:35,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:35,898 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 12:42:35,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 505 states and 1185 transitions. [2018-11-23 12:42:35,929 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 1185 transitions. [2018-11-23 12:42:35,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 12:42:35,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:36,078 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 12:42:36,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:36,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 507 states and 1190 transitions. [2018-11-23 12:42:36,482 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1190 transitions. [2018-11-23 12:42:36,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 12:42:36,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:36,505 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:36,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:36,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 510 states and 1194 transitions. [2018-11-23 12:42:36,687 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1194 transitions. [2018-11-23 12:42:36,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 12:42:36,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:36,709 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 12:42:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 512 states and 1196 transitions. [2018-11-23 12:42:36,883 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1196 transitions. [2018-11-23 12:42:36,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 12:42:36,884 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:36,905 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:37,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:37,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 515 states and 1199 transitions. [2018-11-23 12:42:37,058 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1199 transitions. [2018-11-23 12:42:37,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 12:42:37,058 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:37,082 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 12:42:37,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:37,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 518 states and 1207 transitions. [2018-11-23 12:42:37,623 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1207 transitions. [2018-11-23 12:42:37,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 12:42:37,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:37,661 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 12:42:37,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:37,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 526 states and 1219 transitions. [2018-11-23 12:42:37,684 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1219 transitions. [2018-11-23 12:42:37,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 12:42:37,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:37,750 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 12:42:38,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:38,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 530 states and 1227 transitions. [2018-11-23 12:42:38,117 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1227 transitions. [2018-11-23 12:42:38,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 12:42:38,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-23 12:42:38,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:38,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 531 states and 1227 transitions. [2018-11-23 12:42:38,241 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 1227 transitions. [2018-11-23 12:42:38,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 12:42:38,241 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:38,266 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 30 proven. 14 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 12:42:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:38,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 532 states and 1227 transitions. [2018-11-23 12:42:38,279 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1227 transitions. [2018-11-23 12:42:38,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 12:42:38,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:38,308 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 12:42:38,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:38,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 530 states and 1220 transitions. [2018-11-23 12:42:38,384 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1220 transitions. [2018-11-23 12:42:38,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 12:42:38,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:38,408 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 12:42:38,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:38,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 531 states and 1220 transitions. [2018-11-23 12:42:38,509 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 1220 transitions. [2018-11-23 12:42:38,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 12:42:38,510 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:38,534 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 12:42:38,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:38,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 534 states and 1226 transitions. [2018-11-23 12:42:38,654 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 1226 transitions. [2018-11-23 12:42:38,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 12:42:38,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:38,725 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 12:42:38,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:38,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 537 states and 1229 transitions. [2018-11-23 12:42:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1229 transitions. [2018-11-23 12:42:38,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 12:42:38,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:38,911 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 12:42:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:38,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 539 states and 1234 transitions. [2018-11-23 12:42:38,931 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1234 transitions. [2018-11-23 12:42:38,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 12:42:38,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:38,955 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 12:42:39,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:39,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 540 states and 1238 transitions. [2018-11-23 12:42:39,187 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 1238 transitions. [2018-11-23 12:42:39,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 12:42:39,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:39,218 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:39,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:39,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 543 states and 1242 transitions. [2018-11-23 12:42:39,300 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1242 transitions. [2018-11-23 12:42:39,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 12:42:39,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:39,322 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:39,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:39,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 545 states and 1245 transitions. [2018-11-23 12:42:39,379 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1245 transitions. [2018-11-23 12:42:39,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 12:42:39,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:39,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:39,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 546 states and 1247 transitions. [2018-11-23 12:42:39,540 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 1247 transitions. [2018-11-23 12:42:39,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 12:42:39,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:39,565 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 12:42:39,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:39,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 549 states and 1249 transitions. [2018-11-23 12:42:39,579 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1249 transitions. [2018-11-23 12:42:39,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 12:42:39,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:39,610 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 12:42:39,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:39,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 551 states and 1252 transitions. [2018-11-23 12:42:39,619 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1252 transitions. [2018-11-23 12:42:39,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 12:42:39,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:39,641 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 12:42:39,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:39,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 552 states and 1253 transitions. [2018-11-23 12:42:39,922 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 1253 transitions. [2018-11-23 12:42:39,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 12:42:39,922 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 12:42:40,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:40,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 553 states and 1253 transitions. [2018-11-23 12:42:40,100 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1253 transitions. [2018-11-23 12:42:40,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 12:42:40,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:40,163 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 12:42:40,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:40,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 554 states and 1253 transitions. [2018-11-23 12:42:40,394 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1253 transitions. [2018-11-23 12:42:40,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 12:42:40,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:40,462 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 12:42:40,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:40,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 555 states and 1253 transitions. [2018-11-23 12:42:40,472 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1253 transitions. [2018-11-23 12:42:40,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 12:42:40,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:40,497 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 12:42:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:40,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 558 states and 1258 transitions. [2018-11-23 12:42:40,868 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1258 transitions. [2018-11-23 12:42:40,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 12:42:40,868 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:40,934 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 12:42:41,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:41,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 561 states and 1263 transitions. [2018-11-23 12:42:41,116 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 1263 transitions. [2018-11-23 12:42:41,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 12:42:41,117 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:41,140 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 12:42:41,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:41,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 564 states and 1266 transitions. [2018-11-23 12:42:41,355 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1266 transitions. [2018-11-23 12:42:41,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 12:42:41,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:41,426 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:41,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:41,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 567 states and 1268 transitions. [2018-11-23 12:42:41,499 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 1268 transitions. [2018-11-23 12:42:41,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 12:42:41,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:41,604 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:42,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:42,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 573 states and 1299 transitions. [2018-11-23 12:42:42,616 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1299 transitions. [2018-11-23 12:42:42,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 12:42:42,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:42,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:42,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 576 states and 1325 transitions. [2018-11-23 12:42:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1325 transitions. [2018-11-23 12:42:42,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 12:42:42,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:43,030 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:43,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:43,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 577 states and 1327 transitions. [2018-11-23 12:42:43,302 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 1327 transitions. [2018-11-23 12:42:43,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 12:42:43,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 12:42:44,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:44,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 578 states and 1329 transitions. [2018-11-23 12:42:44,159 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 1329 transitions. [2018-11-23 12:42:44,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 12:42:44,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:44,183 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 12:42:44,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 580 states and 1334 transitions. [2018-11-23 12:42:44,572 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1334 transitions. [2018-11-23 12:42:44,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 12:42:44,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:44,610 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 12:42:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:44,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 582 states and 1336 transitions. [2018-11-23 12:42:44,864 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1336 transitions. [2018-11-23 12:42:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 12:42:44,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 12:42:45,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:45,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 585 states and 1358 transitions. [2018-11-23 12:42:45,155 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1358 transitions. [2018-11-23 12:42:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 12:42:45,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:45,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:45,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 585 states and 1355 transitions. [2018-11-23 12:42:45,225 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1355 transitions. [2018-11-23 12:42:45,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 12:42:45,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:45,256 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 12:42:45,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:45,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 593 states and 1367 transitions. [2018-11-23 12:42:45,308 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1367 transitions. [2018-11-23 12:42:45,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 12:42:45,309 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:45,337 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 12:42:45,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:45,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 595 states and 1368 transitions. [2018-11-23 12:42:45,522 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 1368 transitions. [2018-11-23 12:42:45,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 12:42:45,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:45,546 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 12:42:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:45,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 598 states and 1391 transitions. [2018-11-23 12:42:45,896 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1391 transitions. [2018-11-23 12:42:45,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 12:42:45,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:45,919 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 12:42:46,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:46,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 601 states and 1396 transitions. [2018-11-23 12:42:46,248 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1396 transitions. [2018-11-23 12:42:46,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 12:42:46,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:46,312 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 12:42:46,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:46,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 603 states and 1398 transitions. [2018-11-23 12:42:46,556 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 1398 transitions. [2018-11-23 12:42:46,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 12:42:46,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:46,580 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 12:42:46,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:46,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 605 states and 1401 transitions. [2018-11-23 12:42:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1401 transitions. [2018-11-23 12:42:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-23 12:42:46,645 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:46,715 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 12:42:46,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:46,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 606 states and 1402 transitions. [2018-11-23 12:42:46,982 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 1402 transitions. [2018-11-23 12:42:46,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-23 12:42:46,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:47,008 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:47,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:47,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 608 states and 1404 transitions. [2018-11-23 12:42:47,330 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1404 transitions. [2018-11-23 12:42:47,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-23 12:42:47,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:47,354 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:47,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 609 states and 1404 transitions. [2018-11-23 12:42:47,363 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 1404 transitions. [2018-11-23 12:42:47,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-23 12:42:47,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:47,392 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 12:42:47,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:47,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 615 states and 1429 transitions. [2018-11-23 12:42:47,962 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1429 transitions. [2018-11-23 12:42:47,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-23 12:42:47,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 12:42:48,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:48,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 618 states and 1433 transitions. [2018-11-23 12:42:48,048 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 1433 transitions. [2018-11-23 12:42:48,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 12:42:48,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:48,072 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 12:42:48,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:48,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 619 states and 1433 transitions. [2018-11-23 12:42:48,112 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1433 transitions. [2018-11-23 12:42:48,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 12:42:48,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:48,137 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 12:42:48,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:48,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 625 states and 1460 transitions. [2018-11-23 12:42:48,698 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1460 transitions. [2018-11-23 12:42:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 12:42:48,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 12:42:49,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:49,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 628 states and 1465 transitions. [2018-11-23 12:42:49,181 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1465 transitions. [2018-11-23 12:42:49,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-23 12:42:49,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:49,214 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 12:42:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:49,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 634 states and 1475 transitions. [2018-11-23 12:42:49,573 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1475 transitions. [2018-11-23 12:42:49,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-23 12:42:49,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 12:42:49,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:49,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 643 states and 1488 transitions. [2018-11-23 12:42:49,660 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1488 transitions. [2018-11-23 12:42:49,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 12:42:49,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:49,754 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 38 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 12:42:49,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:49,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 644 states and 1488 transitions. [2018-11-23 12:42:49,834 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1488 transitions. [2018-11-23 12:42:49,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 12:42:49,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:49,862 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 31 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 12:42:50,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:50,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 645 states and 1490 transitions. [2018-11-23 12:42:50,165 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1490 transitions. [2018-11-23 12:42:50,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 12:42:50,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 12:42:50,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:50,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 648 states and 1493 transitions. [2018-11-23 12:42:50,476 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1493 transitions. [2018-11-23 12:42:50,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 12:42:50,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:50,674 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:50,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:50,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 651 states and 1496 transitions. [2018-11-23 12:42:50,691 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1496 transitions. [2018-11-23 12:42:50,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 12:42:50,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 12:42:50,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:50,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 654 states and 1500 transitions. [2018-11-23 12:42:50,737 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1500 transitions. [2018-11-23 12:42:50,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 12:42:50,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 12:42:51,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:51,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 658 states and 1505 transitions. [2018-11-23 12:42:51,358 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1505 transitions. [2018-11-23 12:42:51,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 12:42:51,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:51,416 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 12:42:51,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:51,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 660 states and 1507 transitions. [2018-11-23 12:42:51,442 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1507 transitions. [2018-11-23 12:42:51,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 12:42:51,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:51,482 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 12:42:51,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:51,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 660 states and 1505 transitions. [2018-11-23 12:42:51,504 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1505 transitions. [2018-11-23 12:42:51,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 12:42:51,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 12:42:51,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:51,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 661 states and 1507 transitions. [2018-11-23 12:42:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1507 transitions. [2018-11-23 12:42:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 12:42:51,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:52,143 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 23 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 12:42:52,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 663 states and 1508 transitions. [2018-11-23 12:42:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1508 transitions. [2018-11-23 12:42:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-23 12:42:52,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:52,251 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 12:42:52,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 665 states and 1510 transitions. [2018-11-23 12:42:52,268 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1510 transitions. [2018-11-23 12:42:52,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 12:42:52,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:52,355 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 12:42:52,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:52,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 666 states and 1510 transitions. [2018-11-23 12:42:52,394 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1510 transitions. [2018-11-23 12:42:52,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 12:42:52,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 12:42:52,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 668 states and 1513 transitions. [2018-11-23 12:42:52,476 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1513 transitions. [2018-11-23 12:42:52,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 12:42:52,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:52,509 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 12:42:53,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:53,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 670 states and 1516 transitions. [2018-11-23 12:42:53,072 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1516 transitions. [2018-11-23 12:42:53,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 12:42:53,072 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:53,119 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 12:42:53,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:53,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 672 states and 1520 transitions. [2018-11-23 12:42:53,322 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1520 transitions. [2018-11-23 12:42:53,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 12:42:53,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:53,411 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 12:42:53,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:53,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 680 states and 1532 transitions. [2018-11-23 12:42:53,453 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1532 transitions. [2018-11-23 12:42:53,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 12:42:53,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:53,493 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 12:42:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:53,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 682 states and 1534 transitions. [2018-11-23 12:42:53,506 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1534 transitions. [2018-11-23 12:42:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 12:42:53,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:53,553 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 12:42:53,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:53,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 690 states and 1546 transitions. [2018-11-23 12:42:53,598 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1546 transitions. [2018-11-23 12:42:53,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 12:42:53,599 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:53,715 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 12:42:54,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:54,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 693 states and 1552 transitions. [2018-11-23 12:42:54,347 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1552 transitions. [2018-11-23 12:42:54,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 12:42:54,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 12:42:54,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:54,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 695 states and 1570 transitions. [2018-11-23 12:42:54,521 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1570 transitions. [2018-11-23 12:42:54,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 12:42:54,521 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:54,591 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 82 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 12:42:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:54,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 698 states and 1572 transitions. [2018-11-23 12:42:54,607 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1572 transitions. [2018-11-23 12:42:54,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 12:42:54,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:54,676 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 63 proven. 5 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-23 12:42:54,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:54,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 699 states and 1572 transitions. [2018-11-23 12:42:54,708 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1572 transitions. [2018-11-23 12:42:54,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 12:42:54,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 77 proven. 13 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 12:42:54,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:54,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 700 states and 1573 transitions. [2018-11-23 12:42:54,863 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1573 transitions. [2018-11-23 12:42:54,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 12:42:54,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:54,903 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 12:42:54,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:54,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 700 states and 1572 transitions. [2018-11-23 12:42:54,916 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1572 transitions. [2018-11-23 12:42:54,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 12:42:54,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:54,989 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 75 proven. 7 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 12:42:55,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:55,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 701 states and 1572 transitions. [2018-11-23 12:42:55,031 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1572 transitions. [2018-11-23 12:42:55,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 12:42:55,032 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:55,145 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 77 proven. 13 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 12:42:55,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:55,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 702 states and 1573 transitions. [2018-11-23 12:42:55,186 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1573 transitions. [2018-11-23 12:42:55,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 12:42:55,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:55,219 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 12:42:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:55,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 704 states and 1575 transitions. [2018-11-23 12:42:55,233 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1575 transitions. [2018-11-23 12:42:55,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 12:42:55,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:55,266 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-23 12:42:55,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:55,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 705 states and 1575 transitions. [2018-11-23 12:42:55,306 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1575 transitions. [2018-11-23 12:42:55,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 12:42:55,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 12:42:55,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:55,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 706 states and 1576 transitions. [2018-11-23 12:42:55,352 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1576 transitions. [2018-11-23 12:42:55,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 12:42:55,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:55,423 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 85 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-23 12:42:55,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:55,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 707 states and 1576 transitions. [2018-11-23 12:42:55,457 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1576 transitions. [2018-11-23 12:42:55,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 12:42:55,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:55,494 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 12:42:55,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:55,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 710 states and 1580 transitions. [2018-11-23 12:42:55,524 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1580 transitions. [2018-11-23 12:42:55,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 12:42:55,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:55,557 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-23 12:42:55,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 712 states and 1582 transitions. [2018-11-23 12:42:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1582 transitions. [2018-11-23 12:42:55,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 12:42:55,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:55,650 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 12:42:55,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:55,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1618 states to 720 states and 1594 transitions. [2018-11-23 12:42:55,680 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1594 transitions. [2018-11-23 12:42:55,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 12:42:55,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:55,707 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 12:42:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:55,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 721 states and 1595 transitions. [2018-11-23 12:42:55,843 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1595 transitions. [2018-11-23 12:42:55,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 12:42:55,844 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:55,873 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 12:42:55,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:55,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1621 states to 723 states and 1597 transitions. [2018-11-23 12:42:55,888 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1597 transitions. [2018-11-23 12:42:55,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 12:42:55,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:55,925 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 12:42:55,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:55,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 731 states and 1609 transitions. [2018-11-23 12:42:55,955 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1609 transitions. [2018-11-23 12:42:55,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 12:42:55,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:55,993 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 12:42:56,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:56,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 732 states and 1610 transitions. [2018-11-23 12:42:56,013 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1610 transitions. [2018-11-23 12:42:56,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 12:42:56,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:56,051 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 12:42:56,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:56,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 735 states and 1614 transitions. [2018-11-23 12:42:56,077 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1614 transitions. [2018-11-23 12:42:56,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 12:42:56,078 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 12:42:56,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:56,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 736 states and 1615 transitions. [2018-11-23 12:42:56,184 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1615 transitions. [2018-11-23 12:42:56,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 12:42:56,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:56,215 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-23 12:42:56,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:56,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 744 states and 1627 transitions. [2018-11-23 12:42:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1627 transitions. [2018-11-23 12:42:56,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 12:42:56,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:42:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:42:56,277 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-23 12:42:56,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:42:56,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 321 states and 511 transitions. [2018-11-23 12:42:56,293 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 511 transitions. [2018-11-23 12:42:56,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:42:56,293 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 168 iterations. [2018-11-23 12:42:56,299 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 12:42:57,166 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,169 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,169 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,169 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,169 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,169 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,170 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,170 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,170 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,170 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,170 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,170 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,170 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,170 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,170 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,170 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,170 INFO L579 CodeCheckObserver]: Invariant with dag size 13 [2018-11-23 12:42:57,173 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,173 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,174 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 12:42:57,174 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,174 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,174 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,174 INFO L579 CodeCheckObserver]: Invariant with dag size 13 [2018-11-23 12:42:57,175 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,175 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,175 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,175 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,175 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,175 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,175 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,175 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,175 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,175 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,175 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,176 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,176 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,176 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,176 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,176 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,176 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,176 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,176 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,176 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,176 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:42:57,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:42:57 ImpRootNode [2018-11-23 12:42:57,177 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 12:42:57,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:42:57,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:42:57,177 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:42:57,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:42:19" (3/4) ... [2018-11-23 12:42:57,181 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:42:57,185 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2018-11-23 12:42:57,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_get_drvdata [2018-11-23 12:42:57,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_alloc [2018-11-23 12:42:57,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __writel [2018-11-23 12:42:57,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_start_queue [2018-11-23 12:42:57,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure arch_local_irq_restore [2018-11-23 12:42:57,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-23 12:42:57,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-11-23 12:42:57,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dma_free_attrs [2018-11-23 12:42:57,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_running [2018-11-23 12:42:57,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dma_alloc_attrs [2018-11-23 12:42:57,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure at91ether_remove [2018-11-23 12:42:57,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_dma_direction [2018-11-23 12:42:57,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2018-11-23 12:42:57,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_priv [2018-11-23 12:42:57,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_remove [2018-11-23 12:42:57,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_get_tx_queue [2018-11-23 12:42:57,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure at91ether_poll_controller [2018-11-23 12:42:57,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2018-11-23 12:42:57,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure arch_irqs_disabled_flags [2018-11-23 12:42:57,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_stop_queue [2018-11-23 12:42:57,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __readl [2018-11-23 12:42:57,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure arch_local_save_flags [2018-11-23 12:42:57,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-11-23 12:42:57,203 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 176 nodes and edges [2018-11-23 12:42:57,205 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2018-11-23 12:42:57,206 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 12:42:57,208 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:42:57,338 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f3f06b68-6828-4a60-9ad5-9131e443a7e3/bin-2019/ukojak/witness.graphml [2018-11-23 12:42:57,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:42:57,338 INFO L168 Benchmark]: Toolchain (without parser) took 40858.33 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 948.4 MB in the beginning and 1.7 GB in the end (delta: -754.2 MB). Peak memory consumption was 510.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:42:57,340 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:42:57,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1322.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -107.4 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:42:57,340 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:42:57,340 INFO L168 Benchmark]: Boogie Preprocessor took 86.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:42:57,341 INFO L168 Benchmark]: RCFGBuilder took 1975.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -17.4 MB). Peak memory consumption was 223.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:42:57,341 INFO L168 Benchmark]: CodeCheck took 37226.57 ms. Allocated memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: 982.5 MB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -704.6 MB). Peak memory consumption was 277.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:42:57,341 INFO L168 Benchmark]: Witness Printer took 160.73 ms. Allocated memory is still 2.3 GB. Free memory was 1.8 GB in the beginning and 1.7 GB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:42:57,343 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 25 procedures, 427 locations, 1 error locations. SAFE Result, 36.3s OverallTime, 168 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1375854348 SDtfs, 1256130384 SDslu, 714490716 SDs, 0 SdLazy, 84649832 SolverSat, 498018092 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 170.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131243 GetRequests, 130288 SyntacticMatches, 455 SemanticMatches, 500 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156591 ImplicationChecksByTransitivity, 27.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 10156 NumberOfCodeBlocks, 10156 NumberOfCodeBlocksAsserted, 167 NumberOfCheckSat, 9989 ConstructedInterpolants, 0 QuantifiedInterpolants, 1127302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 167 InterpolantComputations, 126 PerfectInterpolantSequences, 7713/8019 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: 5902]: 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: 6035]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6016]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6097]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6687]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6328]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6311]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6344]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7357]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6242]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6687]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6782]: Loop Invariant Derived loop invariant: ((!(ldv_state_variable_0 == 0) || !(0 == last_index)) || !(0 == ldv_state_variable_2)) || 0 == ldv_state_variable_1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 == last_index - InvariantResult [Line: 6056]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5538]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6696]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6773]: Loop Invariant Derived loop invariant: ((!(0 == ldv_state_variable_2) || !(ldv_state_variable_0 == 0)) || !(0 == last_index)) || 0 == ldv_state_variable_1 - InvariantResult [Line: 6279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6328]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7092]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6549]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6328]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7210]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5992]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5905]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7179]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1322.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -107.4 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 86.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1975.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -17.4 MB). Peak memory consumption was 223.9 MB. Max. memory is 11.5 GB. * CodeCheck took 37226.57 ms. Allocated memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: 982.5 MB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -704.6 MB). Peak memory consumption was 277.9 MB. Max. memory is 11.5 GB. * Witness Printer took 160.73 ms. Allocated memory is still 2.3 GB. Free memory was 1.8 GB in the beginning and 1.7 GB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...