./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.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e9682458-237b-46d5-88ec-5f490e56bcf3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e9682458-237b-46d5-88ec-5f490e56bcf3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e9682458-237b-46d5-88ec-5f490e56bcf3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e9682458-237b-46d5-88ec-5f490e56bcf3/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.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e9682458-237b-46d5-88ec-5f490e56bcf3/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e9682458-237b-46d5-88ec-5f490e56bcf3/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 257199fb3b9025f34778af888e93c225ceb978a9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 18:54:18,385 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:54:18,386 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:54:18,392 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:54:18,392 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:54:18,393 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:54:18,393 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:54:18,394 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:54:18,395 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:54:18,395 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:54:18,396 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:54:18,396 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:54:18,396 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:54:18,397 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:54:18,397 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:54:18,398 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:54:18,398 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:54:18,399 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:54:18,400 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:54:18,401 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:54:18,401 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:54:18,402 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:54:18,403 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:54:18,403 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:54:18,403 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:54:18,404 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:54:18,404 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:54:18,405 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:54:18,405 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:54:18,406 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:54:18,406 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:54:18,406 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:54:18,406 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:54:18,407 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:54:18,407 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:54:18,407 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:54:18,408 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e9682458-237b-46d5-88ec-5f490e56bcf3/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-12-01 18:54:18,415 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:54:18,415 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:54:18,416 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:54:18,416 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 18:54:18,416 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:54:18,416 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:54:18,416 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:54:18,416 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:54:18,416 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:54:18,416 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:54:18,417 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:54:18,417 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:54:18,417 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:54:18,417 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:54:18,417 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:54:18,417 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 18:54:18,417 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 18:54:18,417 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:54:18,417 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:54:18,417 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:54:18,417 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:54:18,417 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:54:18,418 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:54:18,418 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 18:54:18,418 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:54:18,418 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 18:54:18,418 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 18:54:18,418 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_e9682458-237b-46d5-88ec-5f490e56bcf3/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 -> 257199fb3b9025f34778af888e93c225ceb978a9 [2018-12-01 18:54:18,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:54:18,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:54:18,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:54:18,445 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:54:18,445 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:54:18,445 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e9682458-237b-46d5-88ec-5f490e56bcf3/bin-2019/ukojak/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point_true-unreach-call.cil.out.i [2018-12-01 18:54:18,481 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e9682458-237b-46d5-88ec-5f490e56bcf3/bin-2019/ukojak/data/185660ec9/304a1b420f9e4dcfbd0936f2196ba49c/FLAGed5797421 [2018-12-01 18:54:18,931 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:54:18,932 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e9682458-237b-46d5-88ec-5f490e56bcf3/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point_true-unreach-call.cil.out.i [2018-12-01 18:54:18,948 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e9682458-237b-46d5-88ec-5f490e56bcf3/bin-2019/ukojak/data/185660ec9/304a1b420f9e4dcfbd0936f2196ba49c/FLAGed5797421 [2018-12-01 18:54:18,956 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e9682458-237b-46d5-88ec-5f490e56bcf3/bin-2019/ukojak/data/185660ec9/304a1b420f9e4dcfbd0936f2196ba49c [2018-12-01 18:54:18,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:54:18,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:54:18,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:54:18,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:54:18,962 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:54:18,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:54:18" (1/1) ... [2018-12-01 18:54:18,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a7ae7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:18, skipping insertion in model container [2018-12-01 18:54:18,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:54:18" (1/1) ... [2018-12-01 18:54:18,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:54:19,016 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:54:19,823 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:54:19,839 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:54:19,944 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:54:20,020 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:54:20,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:20 WrapperNode [2018-12-01 18:54:20,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:54:20,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:54:20,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:54:20,021 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:54:20,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:20" (1/1) ... [2018-12-01 18:54:20,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:20" (1/1) ... [2018-12-01 18:54:20,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:54:20,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:54:20,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:54:20,092 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:54:20,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:20" (1/1) ... [2018-12-01 18:54:20,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:20" (1/1) ... [2018-12-01 18:54:20,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:20" (1/1) ... [2018-12-01 18:54:20,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:20" (1/1) ... [2018-12-01 18:54:20,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:20" (1/1) ... [2018-12-01 18:54:20,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:20" (1/1) ... [2018-12-01 18:54:20,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:20" (1/1) ... [2018-12-01 18:54:20,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:54:20,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:54:20,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:54:20,153 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:54:20,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:54:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e9682458-237b-46d5-88ec-5f490e56bcf3/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:54:20,201 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2018-12-01 18:54:20,201 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2018-12-01 18:54:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-01 18:54:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 18:54:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-01 18:54:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-01 18:54:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-12-01 18:54:20,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-12-01 18:54:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2018-12-01 18:54:20,203 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2018-12-01 18:54:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 18:54:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-12-01 18:54:20,203 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-12-01 18:54:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2018-12-01 18:54:20,204 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2018-12-01 18:54:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2018-12-01 18:54:20,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2018-12-01 18:54:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_poll_controller [2018-12-01 18:54:20,204 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_poll_controller [2018-12-01 18:54:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure clk_enable [2018-12-01 18:54:20,204 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_enable [2018-12-01 18:54:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-01 18:54:20,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-01 18:54:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_external_alloc [2018-12-01 18:54:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2018-12-01 18:54:20,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2018-12-01 18:54:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 18:54:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2018-12-01 18:54:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2018-12-01 18:54:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-12-01 18:54:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-12-01 18:54:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_remove [2018-12-01 18:54:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_remove [2018-12-01 18:54:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2018-12-01 18:54:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2018-12-01 18:54:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-12-01 18:54:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-12-01 18:54:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure macb_ioctl [2018-12-01 18:54:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_ioctl [2018-12-01 18:54:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2018-12-01 18:54:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2018-12-01 18:54:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2018-12-01 18:54:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2018-12-01 18:54:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-01 18:54:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2018-12-01 18:54:20,208 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2018-12-01 18:54:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2018-12-01 18:54:20,208 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2018-12-01 18:54:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2018-12-01 18:54:20,209 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2018-12-01 18:54:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-01 18:54:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2018-12-01 18:54:20,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2018-12-01 18:54:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2018-12-01 18:54:20,209 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2018-12-01 18:54:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2018-12-01 18:54:20,209 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2018-12-01 18:54:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2018-12-01 18:54:20,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2018-12-01 18:54:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 18:54:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-01 18:54:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2018-12-01 18:54:20,210 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2018-12-01 18:54:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_stats [2018-12-01 18:54:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_stats [2018-12-01 18:54:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2018-12-01 18:54:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2018-12-01 18:54:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2018-12-01 18:54:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2018-12-01 18:54:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-12-01 18:54:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2018-12-01 18:54:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2018-12-01 18:54:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2018-12-01 18:54:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2018-12-01 18:54:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2018-12-01 18:54:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2018-12-01 18:54:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2018-12-01 18:54:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2018-12-01 18:54:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2018-12-01 18:54:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 18:54:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2018-12-01 18:54:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2018-12-01 18:54:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2018-12-01 18:54:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2018-12-01 18:54:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-01 18:54:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-01 18:54:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-01 18:54:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:54:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:54:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable [2018-12-01 18:54:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable [2018-12-01 18:54:21,984 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:54:21,984 INFO L280 CfgBuilder]: Removed 143 assue(true) statements. [2018-12-01 18:54:21,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:54:21 BoogieIcfgContainer [2018-12-01 18:54:21,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:54:21,985 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 18:54:21,985 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 18:54:21,994 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 18:54:21,994 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:54:21" (1/1) ... [2018-12-01 18:54:22,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:54:22,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:22,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 414 states and 579 transitions. [2018-12-01 18:54:22,037 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 579 transitions. [2018-12-01 18:54:22,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 18:54:22,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:54:22,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:22,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 419 states and 623 transitions. [2018-12-01 18:54:22,270 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 623 transitions. [2018-12-01 18:54:22,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 18:54:22,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:22,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:54:22,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 429 states and 679 transitions. [2018-12-01 18:54:22,442 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 679 transitions. [2018-12-01 18:54:22,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 18:54:22,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:22,493 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:54:22,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:22,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 430 states and 680 transitions. [2018-12-01 18:54:22,502 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 680 transitions. [2018-12-01 18:54:22,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 18:54:22,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:22,551 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 18:54:22,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:22,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 432 states and 683 transitions. [2018-12-01 18:54:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 683 transitions. [2018-12-01 18:54:22,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 18:54:22,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:22,602 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:54:22,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:22,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 433 states and 684 transitions. [2018-12-01 18:54:22,612 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 684 transitions. [2018-12-01 18:54:22,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 18:54:22,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:22,673 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:54:22,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:22,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 436 states and 721 transitions. [2018-12-01 18:54:22,755 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 721 transitions. [2018-12-01 18:54:22,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 18:54:22,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:54:22,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:22,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 435 states and 716 transitions. [2018-12-01 18:54:22,829 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 716 transitions. [2018-12-01 18:54:22,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 18:54:22,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:22,867 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 18:54:22,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:22,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 437 states and 719 transitions. [2018-12-01 18:54:22,898 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 719 transitions. [2018-12-01 18:54:22,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 18:54:22,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:22,926 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:54:22,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:22,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 439 states and 721 transitions. [2018-12-01 18:54:22,968 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 721 transitions. [2018-12-01 18:54:22,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 18:54:22,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:54:23,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:23,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 444 states and 753 transitions. [2018-12-01 18:54:23,199 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 753 transitions. [2018-12-01 18:54:23,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 18:54:23,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 18:54:23,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:23,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 445 states and 753 transitions. [2018-12-01 18:54:23,237 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 753 transitions. [2018-12-01 18:54:23,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 18:54:23,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:54:23,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:23,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 444 states and 747 transitions. [2018-12-01 18:54:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 747 transitions. [2018-12-01 18:54:23,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 18:54:23,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:23,384 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:54:23,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:23,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 444 states and 742 transitions. [2018-12-01 18:54:23,419 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 742 transitions. [2018-12-01 18:54:23,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-01 18:54:23,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:23,450 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:54:23,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:23,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 447 states and 746 transitions. [2018-12-01 18:54:23,499 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 746 transitions. [2018-12-01 18:54:23,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 18:54:23,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:23,522 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:54:23,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:23,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 450 states and 750 transitions. [2018-12-01 18:54:23,533 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 750 transitions. [2018-12-01 18:54:23,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 18:54:23,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:23,555 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:54:23,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:23,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 451 states and 750 transitions. [2018-12-01 18:54:23,562 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 750 transitions. [2018-12-01 18:54:23,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-01 18:54:23,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:23,591 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 18:54:23,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:23,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 460 states and 796 transitions. [2018-12-01 18:54:23,736 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 796 transitions. [2018-12-01 18:54:23,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-01 18:54:23,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:23,760 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 18:54:23,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:23,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 463 states and 799 transitions. [2018-12-01 18:54:23,773 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 799 transitions. [2018-12-01 18:54:23,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 18:54:23,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:23,815 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 18:54:24,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:24,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 466 states and 833 transitions. [2018-12-01 18:54:24,070 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 833 transitions. [2018-12-01 18:54:24,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 18:54:24,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:24,111 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 18:54:24,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:24,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 468 states and 837 transitions. [2018-12-01 18:54:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 837 transitions. [2018-12-01 18:54:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 18:54:24,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:24,152 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 18:54:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 470 states and 840 transitions. [2018-12-01 18:54:24,160 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 840 transitions. [2018-12-01 18:54:24,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 18:54:24,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:24,190 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 18:54:24,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:24,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 471 states and 840 transitions. [2018-12-01 18:54:24,257 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 840 transitions. [2018-12-01 18:54:24,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 18:54:24,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:24,294 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 18:54:24,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 474 states and 846 transitions. [2018-12-01 18:54:24,308 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 846 transitions. [2018-12-01 18:54:24,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 18:54:24,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:24,381 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:54:24,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:24,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 478 states and 886 transitions. [2018-12-01 18:54:24,732 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 886 transitions. [2018-12-01 18:54:24,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 18:54:24,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:24,760 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 18:54:24,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:24,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 480 states and 889 transitions. [2018-12-01 18:54:24,771 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 889 transitions. [2018-12-01 18:54:24,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 18:54:24,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 18:54:24,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:24,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 481 states and 890 transitions. [2018-12-01 18:54:24,821 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 890 transitions. [2018-12-01 18:54:24,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 18:54:24,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:24,852 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:54:24,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:24,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 484 states and 896 transitions. [2018-12-01 18:54:24,914 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 896 transitions. [2018-12-01 18:54:24,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 18:54:24,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:24,950 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 18:54:25,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:25,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 495 states and 938 transitions. [2018-12-01 18:54:25,461 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 938 transitions. [2018-12-01 18:54:25,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 18:54:25,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:25,496 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 18:54:25,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:25,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 495 states and 935 transitions. [2018-12-01 18:54:25,514 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 935 transitions. [2018-12-01 18:54:25,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 18:54:25,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:25,541 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:54:25,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:25,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 498 states and 940 transitions. [2018-12-01 18:54:25,559 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 940 transitions. [2018-12-01 18:54:25,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 18:54:25,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:54:25,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:25,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 497 states and 930 transitions. [2018-12-01 18:54:25,672 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 930 transitions. [2018-12-01 18:54:25,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 18:54:25,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:54:25,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:25,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 499 states and 932 transitions. [2018-12-01 18:54:25,708 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 932 transitions. [2018-12-01 18:54:25,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 18:54:25,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 18:54:25,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:25,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 499 states and 929 transitions. [2018-12-01 18:54:25,751 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 929 transitions. [2018-12-01 18:54:25,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 18:54:25,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:25,776 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 18:54:25,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:25,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 499 states and 926 transitions. [2018-12-01 18:54:25,787 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 926 transitions. [2018-12-01 18:54:25,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 18:54:25,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 18:54:25,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:25,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 500 states and 926 transitions. [2018-12-01 18:54:25,866 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 926 transitions. [2018-12-01 18:54:25,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 18:54:25,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:25,912 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 18:54:26,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:26,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 505 states and 959 transitions. [2018-12-01 18:54:26,272 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 959 transitions. [2018-12-01 18:54:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 18:54:26,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:26,299 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 18:54:26,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:26,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 508 states and 965 transitions. [2018-12-01 18:54:26,422 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 965 transitions. [2018-12-01 18:54:26,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 18:54:26,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:26,451 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 18:54:26,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:26,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 510 states and 988 transitions. [2018-12-01 18:54:26,547 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 988 transitions. [2018-12-01 18:54:26,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 18:54:26,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:26,569 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 18:54:26,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:26,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 513 states and 993 transitions. [2018-12-01 18:54:26,585 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 993 transitions. [2018-12-01 18:54:26,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 18:54:26,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:26,609 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 18:54:26,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 515 states and 995 transitions. [2018-12-01 18:54:26,619 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 995 transitions. [2018-12-01 18:54:26,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 18:54:26,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:26,642 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 18:54:26,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:26,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 518 states and 1001 transitions. [2018-12-01 18:54:26,659 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1001 transitions. [2018-12-01 18:54:26,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 18:54:26,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 18:54:26,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:26,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 520 states and 1004 transitions. [2018-12-01 18:54:26,699 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 1004 transitions. [2018-12-01 18:54:26,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 18:54:26,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:26,726 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 18:54:26,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:26,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 523 states and 1027 transitions. [2018-12-01 18:54:26,783 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 1027 transitions. [2018-12-01 18:54:26,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 18:54:26,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:26,805 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 18:54:26,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:26,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 524 states and 1028 transitions. [2018-12-01 18:54:26,922 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1028 transitions. [2018-12-01 18:54:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 18:54:26,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:26,993 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 18:54:27,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:27,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 529 states and 1058 transitions. [2018-12-01 18:54:27,413 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 1058 transitions. [2018-12-01 18:54:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 18:54:27,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:27,443 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 18:54:27,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:27,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 531 states and 1060 transitions. [2018-12-01 18:54:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 1060 transitions. [2018-12-01 18:54:27,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 18:54:27,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:27,515 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 18:54:27,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:27,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 534 states and 1063 transitions. [2018-12-01 18:54:27,699 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 1063 transitions. [2018-12-01 18:54:27,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 18:54:27,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:27,760 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 18:54:28,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:28,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 538 states and 1096 transitions. [2018-12-01 18:54:28,307 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1096 transitions. [2018-12-01 18:54:28,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 18:54:28,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 18:54:28,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:28,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 541 states and 1103 transitions. [2018-12-01 18:54:28,344 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 1103 transitions. [2018-12-01 18:54:28,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 18:54:28,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:28,368 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 18:54:28,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:28,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 542 states and 1103 transitions. [2018-12-01 18:54:28,377 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 1103 transitions. [2018-12-01 18:54:28,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 18:54:28,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:28,396 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 18:54:28,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:28,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 542 states and 1102 transitions. [2018-12-01 18:54:28,407 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 1102 transitions. [2018-12-01 18:54:28,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 18:54:28,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:28,432 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 18:54:28,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:28,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 545 states and 1109 transitions. [2018-12-01 18:54:28,519 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1109 transitions. [2018-12-01 18:54:28,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 18:54:28,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 18:54:28,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:28,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 547 states and 1111 transitions. [2018-12-01 18:54:28,554 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1111 transitions. [2018-12-01 18:54:28,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 18:54:28,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:28,582 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 18:54:28,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:28,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 550 states and 1134 transitions. [2018-12-01 18:54:28,809 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1134 transitions. [2018-12-01 18:54:28,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 18:54:28,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:28,832 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-01 18:54:28,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 553 states and 1139 transitions. [2018-12-01 18:54:28,909 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1139 transitions. [2018-12-01 18:54:28,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 18:54:28,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:54:28,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:28,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 556 states and 1143 transitions. [2018-12-01 18:54:28,942 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1143 transitions. [2018-12-01 18:54:28,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 18:54:28,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:28,965 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:54:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:28,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 558 states and 1145 transitions. [2018-12-01 18:54:28,976 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1145 transitions. [2018-12-01 18:54:28,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 18:54:28,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 18:54:29,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:29,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 559 states and 1145 transitions. [2018-12-01 18:54:29,008 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 1145 transitions. [2018-12-01 18:54:29,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 18:54:29,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:54:29,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:29,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 562 states and 1151 transitions. [2018-12-01 18:54:29,224 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1151 transitions. [2018-12-01 18:54:29,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 18:54:29,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:29,245 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:54:29,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:29,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 564 states and 1170 transitions. [2018-12-01 18:54:29,468 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1170 transitions. [2018-12-01 18:54:29,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 18:54:29,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 18:54:30,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:30,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 567 states and 1192 transitions. [2018-12-01 18:54:30,747 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 1192 transitions. [2018-12-01 18:54:30,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 18:54:30,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:30,779 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 18:54:31,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:31,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 571 states and 1215 transitions. [2018-12-01 18:54:31,050 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1215 transitions. [2018-12-01 18:54:31,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 18:54:31,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 18:54:31,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:31,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 573 states and 1217 transitions. [2018-12-01 18:54:31,109 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1217 transitions. [2018-12-01 18:54:31,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 18:54:31,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 18:54:31,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:31,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 576 states and 1220 transitions. [2018-12-01 18:54:31,306 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1220 transitions. [2018-12-01 18:54:31,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 18:54:31,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:31,328 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:54:31,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:31,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 578 states and 1222 transitions. [2018-12-01 18:54:31,340 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 1222 transitions. [2018-12-01 18:54:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 18:54:31,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:31,404 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:54:32,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:32,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 583 states and 1250 transitions. [2018-12-01 18:54:32,275 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1250 transitions. [2018-12-01 18:54:32,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 18:54:32,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 18:54:32,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:32,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 591 states and 1262 transitions. [2018-12-01 18:54:32,350 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1262 transitions. [2018-12-01 18:54:32,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 18:54:32,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:32,386 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 18:54:32,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 591 states and 1261 transitions. [2018-12-01 18:54:32,401 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1261 transitions. [2018-12-01 18:54:32,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 18:54:32,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:32,436 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-01 18:54:32,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:32,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 592 states and 1261 transitions. [2018-12-01 18:54:32,450 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1261 transitions. [2018-12-01 18:54:32,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 18:54:32,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:32,504 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 18:54:32,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:32,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 594 states and 1262 transitions. [2018-12-01 18:54:32,519 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1262 transitions. [2018-12-01 18:54:32,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 18:54:32,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:32,545 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 18:54:32,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:32,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 597 states and 1267 transitions. [2018-12-01 18:54:32,827 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1267 transitions. [2018-12-01 18:54:32,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 18:54:32,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:32,849 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 18:54:32,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:32,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 597 states and 1266 transitions. [2018-12-01 18:54:32,863 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1266 transitions. [2018-12-01 18:54:32,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 18:54:32,863 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:32,887 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 18:54:32,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:32,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 600 states and 1268 transitions. [2018-12-01 18:54:32,899 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1268 transitions. [2018-12-01 18:54:32,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 18:54:32,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:32,921 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 18:54:33,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 603 states and 1275 transitions. [2018-12-01 18:54:33,066 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 1275 transitions. [2018-12-01 18:54:33,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 18:54:33,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:33,094 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 18:54:33,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:33,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 605 states and 1277 transitions. [2018-12-01 18:54:33,137 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1277 transitions. [2018-12-01 18:54:33,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 18:54:33,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:33,159 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 18:54:33,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 606 states and 1279 transitions. [2018-12-01 18:54:33,263 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 1279 transitions. [2018-12-01 18:54:33,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 18:54:33,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 18:54:34,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:34,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 614 states and 1317 transitions. [2018-12-01 18:54:34,309 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1317 transitions. [2018-12-01 18:54:34,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 18:54:34,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:34,335 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 43 proven. 9 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 18:54:34,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:34,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 615 states and 1318 transitions. [2018-12-01 18:54:34,420 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1318 transitions. [2018-12-01 18:54:34,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 18:54:34,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 18:54:34,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:34,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 618 states and 1324 transitions. [2018-12-01 18:54:34,882 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 1324 transitions. [2018-12-01 18:54:34,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 18:54:34,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:34,904 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 18:54:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 620 states and 1327 transitions. [2018-12-01 18:54:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1327 transitions. [2018-12-01 18:54:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 18:54:34,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:34,945 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 46 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 18:54:34,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:34,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 621 states and 1327 transitions. [2018-12-01 18:54:34,958 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 1327 transitions. [2018-12-01 18:54:34,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 18:54:34,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:34,981 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 18:54:35,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:35,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 624 states and 1331 transitions. [2018-12-01 18:54:35,313 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1331 transitions. [2018-12-01 18:54:35,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 18:54:35,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:35,335 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 18:54:35,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:35,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 625 states and 1331 transitions. [2018-12-01 18:54:35,365 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1331 transitions. [2018-12-01 18:54:35,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 18:54:35,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 18:54:35,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 628 states and 1335 transitions. [2018-12-01 18:54:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1335 transitions. [2018-12-01 18:54:35,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 18:54:35,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:35,421 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-01 18:54:35,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:35,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 631 states and 1355 transitions. [2018-12-01 18:54:35,621 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 1355 transitions. [2018-12-01 18:54:35,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 18:54:35,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:35,648 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 18:54:35,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:35,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 632 states and 1355 transitions. [2018-12-01 18:54:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1355 transitions. [2018-12-01 18:54:35,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 18:54:35,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:35,683 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:54:35,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:35,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 634 states and 1356 transitions. [2018-12-01 18:54:35,833 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1356 transitions. [2018-12-01 18:54:35,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 18:54:35,834 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:54:36,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:36,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 637 states and 1360 transitions. [2018-12-01 18:54:36,107 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1360 transitions. [2018-12-01 18:54:36,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 18:54:36,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 18:54:37,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:37,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 654 states and 1424 transitions. [2018-12-01 18:54:37,389 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1424 transitions. [2018-12-01 18:54:37,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 18:54:37,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:37,482 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:54:40,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:40,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 661 states and 1456 transitions. [2018-12-01 18:54:40,685 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1456 transitions. [2018-12-01 18:54:40,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 18:54:40,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-01 18:54:40,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:40,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 669 states and 1468 transitions. [2018-12-01 18:54:40,767 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1468 transitions. [2018-12-01 18:54:40,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 18:54:40,767 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:40,795 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 18:54:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:40,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 671 states and 1470 transitions. [2018-12-01 18:54:40,811 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1470 transitions. [2018-12-01 18:54:40,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 18:54:40,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:40,916 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:54:41,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:41,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 672 states and 1473 transitions. [2018-12-01 18:54:41,250 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1473 transitions. [2018-12-01 18:54:41,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 18:54:41,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:41,345 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:54:41,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:41,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 675 states and 1495 transitions. [2018-12-01 18:54:41,614 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1495 transitions. [2018-12-01 18:54:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 18:54:41,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:41,641 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 18:54:41,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:41,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 676 states and 1497 transitions. [2018-12-01 18:54:41,880 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1497 transitions. [2018-12-01 18:54:41,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 18:54:41,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:41,924 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 18:54:42,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:42,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 680 states and 1500 transitions. [2018-12-01 18:54:42,245 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1500 transitions. [2018-12-01 18:54:42,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 18:54:42,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:42,339 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:54:42,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:42,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 682 states and 1502 transitions. [2018-12-01 18:54:42,351 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1502 transitions. [2018-12-01 18:54:42,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 18:54:42,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:42,446 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 18:54:42,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:42,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 683 states and 1502 transitions. [2018-12-01 18:54:42,674 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1502 transitions. [2018-12-01 18:54:42,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 18:54:42,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:42,764 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 18:54:42,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:42,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 684 states and 1502 transitions. [2018-12-01 18:54:42,790 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1502 transitions. [2018-12-01 18:54:42,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 18:54:42,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:42,863 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 18:54:42,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:42,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 684 states and 1500 transitions. [2018-12-01 18:54:42,874 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1500 transitions. [2018-12-01 18:54:42,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 18:54:42,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:42,958 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 18:54:42,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:42,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 684 states and 1499 transitions. [2018-12-01 18:54:42,983 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1499 transitions. [2018-12-01 18:54:42,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 18:54:42,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:43,125 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 13 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 18:54:43,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:43,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 685 states and 1500 transitions. [2018-12-01 18:54:43,315 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1500 transitions. [2018-12-01 18:54:43,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 18:54:43,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:43,389 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 13 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 18:54:43,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:43,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 686 states and 1501 transitions. [2018-12-01 18:54:43,545 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1501 transitions. [2018-12-01 18:54:43,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 18:54:43,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:43,569 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-01 18:54:43,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:43,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 689 states and 1505 transitions. [2018-12-01 18:54:43,584 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1505 transitions. [2018-12-01 18:54:43,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 18:54:43,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 18:54:43,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:43,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 692 states and 1509 transitions. [2018-12-01 18:54:43,696 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1509 transitions. [2018-12-01 18:54:43,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 18:54:43,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:43,725 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 18:54:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 703 states and 1525 transitions. [2018-12-01 18:54:43,978 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1525 transitions. [2018-12-01 18:54:43,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 18:54:43,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 18:54:44,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:44,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 706 states and 1529 transitions. [2018-12-01 18:54:44,018 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1529 transitions. [2018-12-01 18:54:44,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 18:54:44,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 18:54:44,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:44,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 709 states and 1533 transitions. [2018-12-01 18:54:44,132 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1533 transitions. [2018-12-01 18:54:44,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 18:54:44,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:44,195 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 38 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 18:54:44,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:44,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 714 states and 1560 transitions. [2018-12-01 18:54:44,717 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1560 transitions. [2018-12-01 18:54:44,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 18:54:44,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:44,808 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 31 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 18:54:44,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 717 states and 1564 transitions. [2018-12-01 18:54:44,819 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1564 transitions. [2018-12-01 18:54:44,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 18:54:44,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:44,876 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 39 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 18:54:45,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:45,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 720 states and 1585 transitions. [2018-12-01 18:54:45,094 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1585 transitions. [2018-12-01 18:54:45,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 18:54:45,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:45,182 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 35 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 18:54:45,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:45,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 721 states and 1585 transitions. [2018-12-01 18:54:45,194 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1585 transitions. [2018-12-01 18:54:45,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 18:54:45,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:45,254 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 39 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 18:54:45,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:45,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 723 states and 1587 transitions. [2018-12-01 18:54:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1587 transitions. [2018-12-01 18:54:45,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 18:54:45,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:45,336 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 18:54:45,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:45,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 724 states and 1587 transitions. [2018-12-01 18:54:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1587 transitions. [2018-12-01 18:54:45,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 18:54:45,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 18:54:45,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:45,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 725 states and 1587 transitions. [2018-12-01 18:54:45,431 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1587 transitions. [2018-12-01 18:54:45,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 18:54:45,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:45,526 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 18:54:45,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:45,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 728 states and 1591 transitions. [2018-12-01 18:54:45,540 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1591 transitions. [2018-12-01 18:54:45,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 18:54:45,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 18:54:45,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:45,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1621 states to 732 states and 1596 transitions. [2018-12-01 18:54:45,605 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1596 transitions. [2018-12-01 18:54:45,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 18:54:45,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:45,633 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 18:54:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:45,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1618 states to 732 states and 1593 transitions. [2018-12-01 18:54:45,652 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1593 transitions. [2018-12-01 18:54:45,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-01 18:54:45,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:45,680 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 18:54:45,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:45,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 741 states and 1606 transitions. [2018-12-01 18:54:45,977 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1606 transitions. [2018-12-01 18:54:45,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 18:54:45,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:46,013 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-01 18:54:46,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:46,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 749 states and 1618 transitions. [2018-12-01 18:54:46,034 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1618 transitions. [2018-12-01 18:54:46,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-01 18:54:46,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:46,065 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-01 18:54:46,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:46,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 752 states and 1622 transitions. [2018-12-01 18:54:46,307 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1622 transitions. [2018-12-01 18:54:46,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-01 18:54:46,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:46,365 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 18:54:46,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:46,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 753 states and 1623 transitions. [2018-12-01 18:54:46,376 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1623 transitions. [2018-12-01 18:54:46,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 18:54:46,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:46,408 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-01 18:54:46,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:46,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 755 states and 1625 transitions. [2018-12-01 18:54:46,429 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1625 transitions. [2018-12-01 18:54:46,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-01 18:54:46,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:46,460 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 18:54:46,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:46,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 758 states and 1630 transitions. [2018-12-01 18:54:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1630 transitions. [2018-12-01 18:54:46,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-01 18:54:46,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:46,739 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 18:54:46,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:46,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 760 states and 1633 transitions. [2018-12-01 18:54:46,905 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1633 transitions. [2018-12-01 18:54:46,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-01 18:54:46,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:46,937 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-01 18:54:46,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:46,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 761 states and 1633 transitions. [2018-12-01 18:54:46,992 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1633 transitions. [2018-12-01 18:54:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-01 18:54:46,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:47,033 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 18:54:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:47,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 765 states and 1638 transitions. [2018-12-01 18:54:47,050 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1638 transitions. [2018-12-01 18:54:47,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 18:54:47,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:47,088 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 18:54:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 766 states and 1639 transitions. [2018-12-01 18:54:47,211 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1639 transitions. [2018-12-01 18:54:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 18:54:47,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:47,239 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 18:54:47,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:47,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 767 states and 1640 transitions. [2018-12-01 18:54:47,251 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1640 transitions. [2018-12-01 18:54:47,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 18:54:47,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:47,287 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-01 18:54:47,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:47,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 770 states and 1644 transitions. [2018-12-01 18:54:47,302 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1644 transitions. [2018-12-01 18:54:47,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-01 18:54:47,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 18:54:47,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 778 states and 1656 transitions. [2018-12-01 18:54:47,363 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1656 transitions. [2018-12-01 18:54:47,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 18:54:47,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:47,389 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 18:54:47,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:47,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 778 states and 1655 transitions. [2018-12-01 18:54:47,403 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1655 transitions. [2018-12-01 18:54:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-01 18:54:47,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 18:54:47,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:47,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 782 states and 1660 transitions. [2018-12-01 18:54:47,466 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1660 transitions. [2018-12-01 18:54:47,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-01 18:54:47,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:47,503 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-01 18:54:47,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:47,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 791 states and 1673 transitions. [2018-12-01 18:54:47,549 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1673 transitions. [2018-12-01 18:54:47,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 18:54:47,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:47,588 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-01 18:54:47,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:47,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 795 states and 1678 transitions. [2018-12-01 18:54:47,681 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1678 transitions. [2018-12-01 18:54:47,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 18:54:47,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:47,715 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:54:48,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:48,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 797 states and 1683 transitions. [2018-12-01 18:54:48,192 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1683 transitions. [2018-12-01 18:54:48,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 18:54:48,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:48,250 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 18:54:48,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:48,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 800 states and 1687 transitions. [2018-12-01 18:54:48,268 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1687 transitions. [2018-12-01 18:54:48,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 18:54:48,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:48,298 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-01 18:54:48,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:48,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 809 states and 1700 transitions. [2018-12-01 18:54:48,466 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1700 transitions. [2018-12-01 18:54:48,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 18:54:48,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:48,497 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 18:54:48,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:48,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 811 states and 1703 transitions. [2018-12-01 18:54:48,783 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1703 transitions. [2018-12-01 18:54:48,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 18:54:48,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:48,815 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-01 18:54:48,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:48,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 814 states and 1709 transitions. [2018-12-01 18:54:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1709 transitions. [2018-12-01 18:54:48,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 18:54:48,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:54:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:54:48,886 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-01 18:54:48,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:54:48,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 325 states and 522 transitions. [2018-12-01 18:54:48,960 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 522 transitions. [2018-12-01 18:54:48,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 18:54:48,960 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 142 iterations. [2018-12-01 18:54:48,966 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 18:54:49,597 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,600 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,600 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,600 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-01 18:54:49,602 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,603 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,603 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,603 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,603 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,603 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,603 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,603 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,603 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,603 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,603 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,603 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-01 18:54:49,603 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,604 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,605 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,606 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,606 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,606 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,606 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,606 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,606 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:54:49,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:54:49 ImpRootNode [2018-12-01 18:54:49,606 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 18:54:49,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:54:49,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:54:49,606 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:54:49,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:54:21" (3/4) ... [2018-12-01 18:54:49,609 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 18:54:49,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2018-12-01 18:54:49,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_get_drvdata [2018-12-01 18:54:49,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_alloc [2018-12-01 18:54:49,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure macb_get_stats [2018-12-01 18:54:49,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __writel [2018-12-01 18:54:49,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure macb_set_rx_mode [2018-12-01 18:54:49,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure warn_slowpath_null [2018-12-01 18:54:49,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_start_queue [2018-12-01 18:54:49,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure arch_local_irq_restore [2018-12-01 18:54:49,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-12-01 18:54:49,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure trace_hardirqs_off [2018-12-01 18:54:49,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-12-01 18:54:49,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dma_free_attrs [2018-12-01 18:54:49,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2018-12-01 18:54:49,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_running [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dma_alloc_attrs [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure at91ether_remove [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_dma_direction [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure eth_change_mtu [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_netdev [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __phys_addr [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure eth_mac_addr [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_priv [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_remove [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_get_tx_queue [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure at91ether_poll_controller [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure clk_enable [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure macb_ioctl [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure eth_validate_addr [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure arch_irqs_disabled_flags [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_stop_queue [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __readl [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure arch_local_save_flags [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure unregister_netdev [2018-12-01 18:54:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-12-01 18:54:49,615 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure clk_disable [2018-12-01 18:54:49,626 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 234 nodes and edges [2018-12-01 18:54:49,627 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 77 nodes and edges [2018-12-01 18:54:49,628 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-12-01 18:54:49,629 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 18:54:49,717 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e9682458-237b-46d5-88ec-5f490e56bcf3/bin-2019/ukojak/witness.graphml [2018-12-01 18:54:49,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:54:49,718 INFO L168 Benchmark]: Toolchain (without parser) took 30759.53 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 861.4 MB). Free memory was 950.4 MB in the beginning and 1.2 GB in the end (delta: -228.5 MB). Peak memory consumption was 632.9 MB. Max. memory is 11.5 GB. [2018-12-01 18:54:49,719 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:54:49,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1060.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 947.7 MB in the beginning and 1.1 GB in the end (delta: -103.0 MB). Peak memory consumption was 111.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:54:49,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.74 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: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:54:49,719 INFO L168 Benchmark]: Boogie Preprocessor took 61.00 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: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:54:49,720 INFO L168 Benchmark]: RCFGBuilder took 1832.16 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 83.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.4 MB). Peak memory consumption was 219.9 MB. Max. memory is 11.5 GB. [2018-12-01 18:54:49,720 INFO L168 Benchmark]: CodeCheck took 27620.99 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 586.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -229.8 MB). Peak memory consumption was 356.4 MB. Max. memory is 11.5 GB. [2018-12-01 18:54:49,720 INFO L168 Benchmark]: Witness Printer took 111.09 ms. Allocated memory is still 1.9 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 11.5 GB. [2018-12-01 18:54:49,721 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 39 procedures, 542 locations, 1 error locations. SAFE Result, 26.9s OverallTime, 142 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1824461192 SDtfs, -1622819128 SDslu, -1119125684 SDs, 0 SdLazy, 562118844 SolverSat, -2045883992 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 116.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113773 GetRequests, 112960 SyntacticMatches, 445 SemanticMatches, 368 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91943 ImplicationChecksByTransitivity, 19.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 8909 NumberOfCodeBlocks, 8909 NumberOfCodeBlocksAsserted, 141 NumberOfCheckSat, 8768 ConstructedInterpolants, 0 QuantifiedInterpolants, 1053961 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 141 InterpolantComputations, 114 PerfectInterpolantSequences, 6163/6367 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: 5830]: 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: 5419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6621]: Loop Invariant Derived loop invariant: (!(ldv_state_variable_0 == 0) || !(ldv_state_variable_2 == 0)) || !(0 == last_index) - InvariantResult [Line: 5631]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5963]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5448]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6967]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6994]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6629]: Loop Invariant Derived loop invariant: (!(ldv_state_variable_2 == 0) || !(ldv_state_variable_0 == 0)) || !(0 == last_index) - InvariantResult [Line: 5602]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6444]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7322]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5389]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6936]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5448]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6001]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5689]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6043]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5631]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5944]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7008]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 == last_index - InvariantResult [Line: 6090]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6051]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6416]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7327]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5612]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6944]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6543]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1060.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 947.7 MB in the beginning and 1.1 GB in the end (delta: -103.0 MB). Peak memory consumption was 111.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.74 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: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.00 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: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1832.16 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 83.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.4 MB). Peak memory consumption was 219.9 MB. Max. memory is 11.5 GB. * CodeCheck took 27620.99 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 586.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -229.8 MB). Peak memory consumption was 356.4 MB. Max. memory is 11.5 GB. * Witness Printer took 111.09 ms. Allocated memory is still 1.9 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...